If a Baxi boiler develops a problem, the boiler will display an error code to help you identify the issue. The most common of these error codes are explained below.
If the boiler you're working on is displaying an error code which isn't described below, please contact Baxi Customer Support who will be happy to help.
error code
possible fault
installer action
H.01 - .00
possible fault Temporary Fault - Temporary loss of communication between gas valve and boiler board. Fault in air/gas unit.
Loose connection to gas valve.
installer action Log into baxiworks.co.uk for more information about this error code.
H.01 - .05
possible fault Temporary Fault - Maximum difference between the flow and return temperature exceeded. Non-existent or insufficient circulation. Sensor error.
installer action Log into baxiworks.co.uk for more information about this error code.
H.01 - .08
possible fault Temporary Fault - Flow temperature increasing too fast in heating mode. Non-existent or insufficient circulation.
Sensor error.
installer action Log into baxiworks.co.uk for more information about this error code.
H.01 - .14
possible fault Temporary Fault - Maximum flow temperature value exceeded. Non-existent or insufficient circulation. Non-existent or insufficient circulation.
installer action Log into baxiworks.co.uk for more information about this error code.
H.01 - .18
possible fault Temporary Fault - No circulation of water. Non-existent or insufficient circulation. Sensor error.
installer action Log into baxiworks.co.uk for more information about this error code.
H.01 - .21
possible fault Temporary Fault - Flow temperature increasing too fast in DHW mode. Non-existent or insufficient circulation. Sensor error.
installer action Log into baxiworks.co.uk for more information about this error code.
H.02 - .02
possible fault Temporary Fault - No input of parameters C1/C2. PCB not configured.
installer action Log into baxiworks.co.uk for more information about this error code.
H.02 - .03
possible fault Temporary Fault- Incorrect configuration settings C1/C2.
installer action Log into baxiworks.co.uk for more information about this error code.
H.02 - .04
possible fault Temporary Fault - Parameter error. Incorrect parameters.
installer action Log into baxiworks.co.uk for more information about this error code.
H.02 - .06
possible fault Temporary Fault - System water pressure. Water leak on boiler. Water leak on system.
installer action Log into baxiworks.co.uk for more information about this error code.
H.03 -.00
possible fault Temporary Fault - Communication error with NTC flue sensor. Sensor not, or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
H.03 -.01
possible fault Temporary Fault - Communication error with the HMI PCB. HMI not connected.
installer action Log into baxiworks.co.uk for more information about this error code.
H.03 -.02
possible fault Temporary Fault - No flame during operation. No ionization current.
installer action Log into baxiworks.co.uk for more information about this error code.
E.00 - .04
possible fault Permanent Fault - Return temperature sensor open-circuit. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.00 - .05
possible fault Permanent Fault - Return temperature sensor open-circuit. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .02
possible fault Permanent Fault - Temperature measured by return sensor greater than flow sensor. Bad connection. Sensor fault. Sensor not or badly connected.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .04
possible fault Permanent Fault - Loss of flame detected 5 times in 24 hours (With burner on). No ionization current.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .11
possible fault Permanent Fault Requiring Reset - Incorrect fan speed. External draught over the boiler. Defective gas/air unit.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .12
possible fault Permanent Fault Requiring Reset - Temperature measured by return sensor greater than flow temperature.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .17
possible fault Permanent Fault Requiring Reset - No circulation. Sensor not or badly connected. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.01 - .20
possible fault Permanent Fault - Maximum flue gas temperature value reached (>140 Deg C). No circulation. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .00
possible fault Permanent Fault - Boiler reset in progress. Reset button has been pressed.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .07
possible fault No or low system water pressure. Low system pressure (less than 0.5bar) boiler will not function.
installer action Use the filling loop to repressurise system to between 1 & 2 bar.
E.02 - .16
possible fault Permanent Fault - On board CSU time-out. Check PCB for damage.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .17
possible fault Permanent Fault - Permanent loss of communication between gas valve and boiler PCB. Fault in air/gas unit. Loose connection to gas valve.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .19
possible fault Permanent Fault - Jumper 1 changed. Check position of jumper 1.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .20
possible fault Permanent Fault - Jumper 2 changed. Check position of jumper 2.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .21
possible fault Permanent Fault - Jumper 3 changed. Check position of jumper 3.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .47
possible fault Permanent Fault - Connection to external device unsuccessful. Check wiring to external device.
installer action Log into baxiworks.co.uk for more information about this error code.
E.02 - .48
possible fault Permanent Fault - Configuration to external device unsuccessful. Check pairing to external.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .00
possible fault Permanent Fault - Gas valve fault. Gas valve not detected.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .01
possible fault Permanent Fault - Flow temperature sensor short-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .02
possible fault Permanent Fault - Flow temperature sensor open-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .03
possible fault Permanent Fault - Critical flow temperature reached. Non-existent or insufficient circulation.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .04
possible fault Permanent Fault - Flue temperature sensor short-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .05
possible fault Permanent Fault - Flue temperature sensor open-circuited. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .06
possible fault Permanent Fault - Critical flue gas temperature value reached. No circulation. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .08
possible fault Permanent Fault - Maximum safe temperature value reached. (Safety thermostat open-circuited). No circulation. Sensor not or badly connected. Bad connection. Sensor fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .10
possible fault Failure to light (could be gas supply issue).
installer action Check that the gas supply is available. If possible try lighting a gas cooker or fire.
E.04 - .12
possible fault Permanent Fault - False flame signal. Short-term fluctuation of the mains. Ionization current present even though there is no flame. The burner remains very hot (CO2 too high). Defective gas/air unit.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .13
possible fault Permanent Fault - Fan rotor blocked. Fan seized. Wiring to fan damaged.
installer action Log into baxiworks.co.uk for more information about this error code.
E.04 - .17
possible fault Permanent Fault - Problem with gas valve. Defective gas/air unit.
installer action Log into baxiworks.co.uk for more information about this error code.
error code
possible fault
installer action
E20
Central heating NTC fault
installer action Log into baxiworks.co.uk for more information about this error code.
E28
Flue NTC fault, air pressue switch fault, blocked flue, blocked condensate or wiring fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E50
Hot water NTC fault
installer action Log into baxiworks.co.uk for more information about this error code.
E110
E110 safety thermostat operated
installer action Log into baxiworks.co.uk for more information about this error code.
E119
Water pressure switch not operated
installer action Log into baxiworks.co.uk for more information about this error code.
E125
Circulation fault (primary circuit)
installer action Log into baxiworks.co.uk for more information about this error code.
E130
Flue NTC operated
installer action Log into baxiworks.co.uk for more information about this error code.
E133
Interruption of gas supply or flame failure
installer action Log into baxiworks.co.uk for more information about this error code.
E160
Fan or fan wiring Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E193
Pre-circulation fault
installer action Log into baxiworks.co.uk for more information about this error code.
error code
possible fault
installer action
E09
possible fault Gas valve connection cable.
installer action Log into baxiworks.co.uk for more information about this error code.
E10
possible fault External probe fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E12
possible fault Differential water flow switch fault (still open).
installer action Log into baxiworks.co.uk for more information about this error code.
E13
possible fault Differential water flow switch fault (still closed).
installer action Log into baxiworks.co.uk for more information about this error code.
E15
possible fault Gas valve command fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E20
possible fault Central heating NTC fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E28
possible fault Flue NTC fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E40
possible fault Central heating return NTC fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E50
possible fault DHW NTC sensor fault (tank boiler) (s.c.) OR DHW NTC sensor fault (tank boiler) (o.c.).
installer action Log into baxiworks.co.uk for more information about this error code.
E83/E84/E85/E86/E87
possible fault No communication.
installer action Log into baxiworks.co.uk for more information about this error code.
E109
possible fault Pre-circulation fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E110
possible fault i) Boiler max temperature exceeded for gradient (probable pump jammed or air in the circuit). OR ii) Boiler max temperature exceeded for overtemperature (probable pump jammed or air in the circuit). OR iii) Safety thermostat sensor tripped.
installer action Log into baxiworks.co.uk for more information about this error code.
E118
possible fault Primary system water pressure too low (< 0.5 bar).
installer action Log into baxiworks.co.uk for more information about this error code.
E125
possible fault Circulation fault (primary).
installer action Log into baxiworks.co.uk for more information about this error code.
E128
possible fault Frequent flame failure (12 times).
installer action Log into baxiworks.co.uk for more information about this error code.
E129
possible fault Safety error for frequently loss of flame with max correction during the ignition during Calibration Function.
installer action Log into baxiworks.co.uk for more information about this error code.
E130
possible fault Flue thermostat sensor tripped (lockout).
installer action Log into baxiworks.co.uk for more information about this error code.
E133
possible fault Failure to light (could be a gas supply issue).
installer action Check that the gas supply is available. If possible try lighting a gas cooker or fire.
E134
possible fault Elapsed time gas valve open without gas (short request in a short period)
installer action Log into baxiworks.co.uk for more information about this error code.
E135
possible fault Interruption of gas supply (internal error).
installer action Log into baxiworks.co.uk for more information about this error code.
E154
possible fault Flow/return sensor temperature test.
installer action Log into baxiworks.co.uk for more information about this error code.
E160
possible fault Fan or fan wiring fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E163
possible fault Domestic Hot Water NTC sensor fault (s.c.) OR Domestic Hot Water NTC sensor fault (o.c.).
installer action Log into baxiworks.co.uk for more information about this error code.
E270
possible fault Circulation fault (dry fire).
installer action Log into baxiworks.co.uk for more information about this error code.
E317
possible fault Wrong power supply electrical frequency (Hz).
installer action Log into baxiworks.co.uk for more information about this error code.
E321
possible fault Hot water NTC fault.
installer action Log into baxiworks.co.uk for more information about this error code.
E384
possible fault False flame.
installer action Log into baxiworks.co.uk for more information about this error code.
E385
possible fault Under voltage.
installer action Log into baxiworks.co.uk for more information about this error code.
E430
possible fault Water pressure temporary test.
installer action Log into baxiworks.co.uk for more information about this error code.
E430 + Flame 'crossed'
possible fault Water pressure test failed.
installer action Log into baxiworks.co.uk for more information about this error code.
error code
possible fault
user action
1 flash green
possible fault Maximum flow temperature exceeded, Flow temperature rise rate too high, Excessive difference between, flow and return temperature
User action Log into baxiworks.co.uk for more information about this error code.
2 flashes green
possible fault BL terminals on User Interaction, Controller are open circuit
User action Log into baxiworks.co.uk for more information about this error code.
3 flashes green
possible fault No flame detected during operation
User action Log into baxiworks.co.uk for more information about this error code.
4 flashes green
possible fault Bad connection or wiring fault, Internal communication fault
User action Log into baxiworks.co.uk for more information about this error code.
5 flashes green
possible fault Parameter error or faulty PU, Configuration error or PCB fault
User action Log into baxiworks.co.uk for more information about this error code.
6 flashes green
possible fault possible fault Internal fault in combustion control unit
User action Log into baxiworks.co.uk for more information about this error code.
1 flash red
possible fault Bad connection to flow or return temperature sensor
User action Log into baxiworks.co.uk for more information about this error code.
2 flashes red
possible fault Over-temperature thermostat on heat exchanger activated, No water flow through heat exchanger, PCB over-temperature condition, Flue fault resulting in, Recirculation or activation of airpressure switch (if fitted)
User action Log into baxiworks.co.uk for more information about this error code.
3 flashes red
possible fault No ignition, No flame detected following ignition, False flame signal detected
User action Log into baxiworks.co.uk for more information about this error code.
4 flashes red
possible fault Fan calibration error, Fan failure
User action Log into baxiworks.co.uk for more information about this error code.
5 flashes red
possible fault Bad connection to PU, Parameter error or faulty PU
User action Log into baxiworks.co.uk for more information about this error code.
6 flashes red
possible fault possible fault Bad connection or wiring fault, Parameter error
User action Log into baxiworks.co.uk for more information about this error code.
error code
possible fault
User Action
E09
possible fault Gas valve connection cable
User action Log into baxiworks.co.uk for more information about this error code.
E15
possible fault Gas valve fault
User action Log into baxiworks.co.uk for more information about this error code.
E20
possible fault Central heating NTC fault
User action Log into baxiworks.co.uk for more information about this error code.
E28
possible fault Flue NTC fault
User action Log into baxiworks.co.uk for more information about this error code.
E40
possible fault Central heating return NTC fault
User action Log into baxiworks.co.uk for more information about this error code.
E83
possible fault Communication error
User action Log into baxiworks.co.uk for more information about this error code.
E109
possible fault Pre-circulation fault
User action Log into baxiworks.co.uk for more information about this error code.
E110
possible fault Safety thermostat operated
User action Log into baxiworks.co.uk for more information about this error code.
E118
possible fault Primary system water pressure too low
User action Log into baxiworks.co.uk for more information about this error code.
E125
possible fault Circulation fault (primary)
User action Log into baxiworks.co.uk for more information about this error code.
E128
possible fault Flame failure
User action Log into baxiworks.co.uk for more information about this error code.
E130
possible fault Flue NTC operated
User action Log into baxiworks.co.uk for more information about this error code.
E133
possible fault Interruption of gas supply or flame failure
User action Log into baxiworks.co.uk for more information about this error code.
E135
possible fault Interruption of gas supply (internal error)
User action Log into baxiworks.co.uk for more information about this error code.
E135
possible fault Interruption of gas supply (internal error)
User action Log into baxiworks.co.uk for more information about this error code.
E154
possible fault Flow/ return sensor temperature test
User action Log into baxiworks.co.uk for more information about this error code.
E160
possible fault Fan or fan wiring fault
User action Log into baxiworks.co.uk for more information about this error code.
E270
possible fault Circulation fault (Dry fire)
User action Log into baxiworks.co.uk for more information about this error code.
E321
possible fault Hot water NTC fault
User action Log into baxiworks.co.uk for more information about this error code.
E384
possible fault False flame
User action Log into baxiworks.co.uk for more information about this error code.
error code
possible fault
installer action
E10
possible fault Outdoor Sensor Error
installer action Log into baxiworks.co.uk for more information about this error code.
E20
possible fault Central Heating Thermistor Sensor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E28
possible fault Flue Thermistor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E54
possible fault HW Flow Sensor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E78
possible fault Water Pressure Sensor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E100
possible fault Internal Clock Time Error on PCB
installer action Log into baxiworks.co.uk for more information about this error code.
E109
possible fault Poor Circulation
installer action Log into baxiworks.co.uk for more information about this error code.
110
possible fault Overheat
installer action Check radiators are bled.
111
possible fault Maximum Limit of Flow Temperature
installer action Log into baxiworks.co.uk for more information about this error code.
117
possible fault Water pressure too high
installer action Bleed water from radiators
118
possible fault Water pressure too low
installer action Add water via filling loop
119
possible fault System Pressure Low (<0.5 bar)
installer action Log into baxiworks.co.uk for more information about this error code.
125
possible fault Water circulation fault
installer action Bleed radiators, check system water pressure and refill via filling loop if low
127
possible fault Legionella Protection Temperature not reached
installer action Log into baxiworks.co.uk for more information about this error code.
128
possible fault Loss of flame during operation
installer action Log into baxiworks.co.uk for more information about this error code.
133
possible fault Safety time to establish flame exceeded
installer action Check gas is turned on, if prepayment meter check there is credit. If all ok and this fault persists - contact engineer to visit and investigate
153
possible fault Forced reset unit unlocked
installer action Log into baxiworks.co.uk for more information about this error code.
160
possible fault Fan Fault
installer action Log into baxiworks.co.uk for more information about this error code.
162
possible fault Air pressure switch error
installer action Log into baxiworks.co.uk for more information about this error code.
164
possible fault Heating flow switch error (Ireland) Pressure Sensor Error (UK)
installer action Log into baxiworks.co.uk for more information about this error code.
166
possible fault Air Pressure Switch Fault
installer action Log into baxiworks.co.uk for more information about this error code.
270
possible fault Dry Fire
installer action Log into baxiworks.co.uk for more information about this error code.
432
possible fault Earth connector error
installer action Log into baxiworks.co.uk for more information about this error code.
433
possible fault Heat exchanger temperature exceeded (greater than 95 degrees)
installer action This is a temporary error and will clear automatically.
Code
possible fault
installer action
1 Green flash
possible fault Boiler temp reached
3 Green flashes
possible fault Temporary Flame Loss
installer action Temporary error, self reset, if continues will go to 3 red flashes
4 Green flashes
possible fault Communication error between PCB and Control
installer action Temporary error, self reset.
5 Green flashes
possible fault Parameter Error On PSU/PCB
installer action Temporary error, self reset.
6 Green flashes
possible fault Miscellaneous Error
installer action Temporary error, self reset.
1 Red flash
possible fault Sensor Error; Sensor Fault, Temperature Fault or Flow Fault
installer action Log into baxiworks.co.uk for more information about this error code.
2 Red flashes
possible fault Boiler overheat tripped
installer action Log into baxiworks.co.uk for more information about this error code.
3 Red flashes
possible fault Ignition fault. Boiler has attempted to light 5 times and failed
installer action Log into baxiworks.co.uk for more information about this error code.
4 Red flashes
possible fault Fan Fault
installer action Log into baxiworks.co.uk for more information about this error code.
5 Red flashes
possible fault Parameter or PSU Error
installer action Log into baxiworks.co.uk for more information about this error code.
6 Red flashes
possible fault Miscellaneous
installer action Log into baxiworks.co.uk for more information about this error code.
Code
possible fault
installer action
E10
possible fault Outdoor sensor error
installer action Log into baxiworks.co.uk for more information about this error code.
E20
possible fault Central Heating Thermistor Senor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E28
possible fault Flue Thermistor Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E110
possible fault Boiler Overheat
installer action Ensure radiators are bled of air
E119
possible fault Low water pressure
installer action Add water to the system via filling loop
E125
possible fault Primary Water Circulation Fault
installer action Ensure radiators are bled of air
E131
possible fault Flue overheat lock out
installer action This may follow a power cut, try reset
E133
possible fault Ignition fault
installer action Check gas is turned on, if prepayment meter check there is credit. If all ok and E133 persists - contact Engineer to visit & investigate
E160/E161
possible fault Fan Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E164
possible fault Fan Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E167
possible fault PCB Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E168
possible fault PCB lock out
installer action May follow power supply problem; try reset.
E193
possible fault Circulation fault
installer action This error, if it persists, will be followed by E125
Code
possible fault
installer action
Flash Flash On
possible fault Fan Fault
installer action Log into baxiworks.co.uk for more information about this error code.
Flash Off Flash
possible fault Incoming Voltage less then 180V
installer action Log into baxiworks.co.uk for more information about this error code.
Flash Off On
possible fault Overheat lockout
installer action Log into baxiworks.co.uk for more information about this error code.
Flash On Flash
possible fault PCB fault
Flash On On
possible fault PCB fault
Off Off Off
possible fault No power supply
installer action Log into baxiworks.co.uk for more information about this error code.
On Flash Flash
possible fault No circulation/dry fire
installer action Log into baxiworks.co.uk for more information about this error code.
On Flash On
possible fault Thermistor fault
installer action Log into baxiworks.co.uk for more information about this error code.
On Off flash
possible fault Live and neutral reversed
installer action Log into baxiworks.co.uk for more information about this error code.
On Off On
possible fault Ignition lockout
installer action Log into baxiworks.co.uk for more information about this error code.
On Off Flash
possible fault PCB fault
On Off Flash
possible fault Low voltage wiring harness fault
Code
possible fault
User action
E4
possible fault Ignition failure
installer action Log into baxiworks.co.uk for more information about this error code.
E4
possible fault Ignition failure
installer action Log into baxiworks.co.uk for more information about this error code.
E09
possible fault Gas valve wiring fault
installer action Log into baxiworks.co.uk for more information about this error code.
E10
possible fault Outdoor sensor error
installer action Log into baxiworks.co.uk for more information about this error code.
E15
possible fault Gas valve connection fault
installer action Log into baxiworks.co.uk for more information about this error code.
E20
possible fault Central heating thermistor sensor fault
installer action Log into baxiworks.co.uk for more information about this error code.
E28
possible fault Flue thermistor fault
installer action Log into baxiworks.co.uk for more information about this error code.
E40
possible fault Central heating return thermistor fault
installer action Log into baxiworks.co.uk for more information about this error code.
E53
possible fault Flue obstruction
installer action Log into baxiworks.co.uk for more information about this error code.
E55
possible fault Calibration required
installer action Log into baxiworks.co.uk for more information about this error code.
E78
possible fault Water pressure sensor fault
E92
possible fault Combustion test alarm during auto-setting
installer action Log into baxiworks.co.uk for more information about this error code.
E109
possible fault Poor circulation
installer action Log into baxiworks.co.uk for more information about this error code.
E110
possible fault Boiler overheat tripped
installer action Log into baxiworks.co.uk for more information about this error code.
E117
possible fault System pressure high (>2.9 Bar)
installer action Log into baxiworks.co.uk for more information about this error code.
E118
possible fault System pressure low( < 0.5bar)
installer action Log into baxiworks.co.uk for more information about this error code.
E125
possible fault Primary water circulation fault
installer action Log into baxiworks.co.uk for more information about this error code.
E128
possible fault Loss of flame during operation
installer action Log into baxiworks.co.uk for more information about this error code.
E129
possible fault Loss of flame during calibration
installer action Log into baxiworks.co.uk for more information about this error code.
E133
possible fault Ignition fault
installer action Log into baxiworks.co.uk for more information about this error code.
E135
possible fault Internal error
installer action Log into baxiworks.co.uk for more information about this error code.
E154
possible fault Primary flow fault
installer action Log into baxiworks.co.uk for more information about this error code.
E160
possible fault Fan fault
installer action Log into baxiworks.co.uk for more information about this error code.
E270
possible fault Dry fire
installer action Log into baxiworks.co.uk for more information about this error code.
E317
possible fault Wrong power supply (Hz)
installer action Log into baxiworks.co.uk for more information about this error code.
E321
possible fault Not water thermistor fault
installer action Log into baxiworks.co.uk for more information about this error code.
E384
possible fault Flame detected when gas valve off
installer action Log into baxiworks.co.uk for more information about this error code.
E385
possible fault Low voltage (less than 195v)
installer action Log into baxiworks.co.uk for more information about this error code.
Code
possible fault
User action
E0
possible fault Temperature sensor fault
installer action Log into baxiworks.co.uk for more information about this error code.
E1
possible fault Boiler overheat tripped
installer action Log into baxiworks.co.uk for more information about this error code.
E2
possible fault Poor circulation
installer action Log into baxiworks.co.uk for more information about this error code.
E3
possible fault PCB fault
installer action Log into baxiworks.co.uk for more information about this error code.
E4
possible fault Ignition failure
installer action Log into baxiworks.co.uk for more information about this error code.
E10
possible fault Poor/No circulation
installer action Log into baxiworks.co.uk for more information about this error code.
E12
possible fault PCB Fault
installer action Log into baxiworks.co.uk for more information about this error code.
E13
possible fault Heat exchanger thermal fuse tripped
installer action Log into baxiworks.co.uk for more information about this error code.
E83/84/85/86/87
possible fault Fan fault normally E8
installer action Log into baxiworks.co.uk for more information about this error code.
Code
possible fault
User action
1 Green Flash
possible fault Boiler temp reached
3 Green Flashes
possible fault Boiler temp reached
User action Temporary error, self reset, if continues will go to 3 red flashes
3 Green Flashes
possible fault Temporary Flame Loss
User action Temporary error, self reset, if continues will go to 3 red flashes
4 Green Flashes
possible fault Communication error between PCB and Control
User action Temporary error, self reset.
5 Green Flashes
possible fault Parameter Error On PSU/PCB
User action Temporary error, self reset.
6 Green Flashes
possible fault Miscellaneous Error
User action Temporary error, self reset.
1 Red Flash
possible fault Sensor Error; Sensor Fault, Temperature Fault or Flow Fault
User action Log into baxiworks.co.uk for more information about this error code.
2 Red Flashes
possible fault Boiler overheat tripped
User action Log into baxiworks.co.uk for more information about this error code.
3 Red Flashes
possible fault Ignition fault. Boiler has attempted to light 5 times and failed
User action Log into baxiworks.co.uk for more information about this error code.
4 Red Flashes
possible fault Fan Fault
User action Log into baxiworks.co.uk for more information about this error code.
5 Red Flashes
possible fault Parameter or PSU Error
User action Log into baxiworks.co.uk for more information about this error code.
6 Red Flashes
possible fault Miscellaneous
User action Log into baxiworks.co.uk for more information about this error code.