FAULT CODES

None

Fault Code Reference - Model 4140686

Status	Description	Additional Information
200	Boiler in heating mode - operating code - not an error
201	Boiler in hot water mode - operating code - not an error
202	Boiler in anti-cycle mode (waiting to refire for CH demand) - operating code - not an error
203	Boiler in standby, no energy demand - operating code - not an error
204	Current primary water temperature higher than the set value - operating code - not an error
207	System pressure is low
208	Chimney sweep demand - operating code - not an error
214	Fan shut down during safety time
224	Safety temperature limiter has tripped (overheat)
227	No flame signal after ignition
228	Flame signal without flame present (false flame)
229	Flame failed during burner operation
232	Boiler locked by external switching contact - not for uk market
233	Code plug missing
234	Gas valve electrical fault
235	Incorrect code plug
242	Boiler electrical system faulty
244	System fault boiler electronics or basic controller
245	System fault boiler electronics or basic controller
249	System fault boiler electronics or basic controller
250	System fault boiler electronics or basic controller
251	System fault boiler electronics or basic controller
252	System fault boiler electronics or basic controller
253	System fault boiler electronics or basic controller
254	System fault boiler electronics or basic controller
257	System fault boiler electronics or basic controller
258	System fault boiler electronics or basic controller
259	System fault boiler electronics or basic controller
262	System fault boiler electronics or basic controller
263	System fault boiler electronics or basic controller
265	Heat demand lower than energy supplied (appliance does not currently need to fire) - operating code - not an error
268	Relay test was activated - operating code - not an error
269	Flame Monitoring
273	Operation of burner and fan interrupted (appliance does not currently need to fire) - operating code - not an error
281	Pump stuck or running in air
283	Burner Starting - operating code - not an error
284	Opening air and gas ratio solenoid valve - operating code - not an error
305	Boiler in hot water anti-cycle mode (waiting to refire for DHW demand) - operating code - not an error
306	Flame signal after closing the fuel supply (after demand)
309	Wireless temperature control unit temperature sensor faulty
357	Ventilation programme - operating code - not an error
358	Anti seizing function active - operating code - not an error
360	System fault boiler electronics or basic controller
362	Boiler indentification module or boiler electronics
363	System fault boiler electronics or basic controller
604	System fault burner control unit
811	Hot water heating - thermal disinfection failed
815	Low loss header temperature sensor faulty
1004	Another temperature control unit in the system has developed a fault
1007	No wireless signal between control unit and key
1009	No wireless signal or connection failed between unit and key
1010	No communication with heat source via EMS-BUS
1013	Maximum combustion point reached
1017	Low water pressure
1018	Maintenance interval expired
1019	Incorrect pump type detected
1022	Cylinder temperature sensor faulty or contact problems
1023	Maximum run time including standby time reached
1025	Return sensor is faulty - not applicable to this appliance
1037	Outdoor temperature sensor fault
1065	Pressure sensor faulty or disconnected
1068	Outdoor temperature sensor fault
1070	Maintenance is due date
1071	Maintenance is due
1072	Maintenance is overdue
1073	Short circuit of the flow temperature sensor
1074	No signal from the flow temperature sensor available
1075	Short circuit of temperature sensor at the heating block
1076	No signal from the temperature sensor at the heating block available
2908	System fault boiler electronics or basic controller
2910	Fault in flue system
2914	Boiler electrical system fault
2915	Boiler electrical system fault
2916	Boiler electrical system fault
2923	Gas valve electrical fault
2924	Gas valve electrical fault
2925	Gas valve electrical fault
2926	Gas valve electrical fault
2927	Gas valve electrical fault
2931	System fault boiler electronics or basic controller
2940	System fault burner control unit
2946	Incorrect code plug
2948	No flame on low output
2949	No flame on high output
2950	No flame during starting procedure
2951	Loss of flame too many times
2952	Internal fault when testing the ionisation signal
2955	Boiler does not support the parameters set for the hydraulic configuration
2956	Hydraulic configuration at the boiler activated
2957	Boiler electrical system fault
2961	No fan signal available
2962	No fan signal available
2963	Signal from flow and heat exchanger temperature sensors outside the permissible range
2964	Flow rate in heat exchanger too low
2965	Flow temperature too high
2966	Flow temperature rise in heat exchanger too rapid
2967	Flow / heat exchanger temperature sensor differential too great
2968	Automatic filling of system pressure in progress - operating code - not an error
2969	Maximum number of automatic system pressure refills reached
2970	Pressure drop in system too rapid
2971	System pressure too low
2972	Mains voltage too low
A61	No wireless signal
A91	No communication with heat source via EMS-BUS

For example type "227" into the box

Press A2 button on G1 to show keyboard