47
FAULT FINDING
F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING
IMAX XTRA EL
-
Installation & Servicing
59 FLAME LOSS
Check the Detection Electrode and associated Harness
for continuity, visual condition and position (refer to
Frame 42). Check if the Condensate Pipe is blocked.
Check if the Flue is blocked. Replace as necessary
yes
If the boiler is Reset, does the boiler Ignite
for a short time and then Extinguish
no
Check Gas Supply and rectify fault
no
Is the Gas Pressure available at the boiler > 15mbar?
yes
Is the following voltage available at the Gas Valve?
(approximately 240Vac)
Check wiring from Gas Valve to PCB
and replace if necessary, otherwise
replace the main PCB
no
yes
Check Spark Generator and associated Harness for
continuity, visual condition and position (refer to Frame
46). Are these functioning correctly?
Replace Spark Generator and
Harness as necessary
no
yes
Check Ignition Electrode and associated Harness for
continuity, visual condition and position (refer to Frame
42). Are these functioning correctly?
Replace Ignition Electrode and
associated Harness as necessary
no
yes
Check Syphon and condensate drain pipework for
blockage and rectify if necessary. Boiler now working OK?
Replace Gas Valve
no
60 FAN FAULT
Rectify wiring & connections
no
Does the wiring from the Fan to the PCB have secure
connections at both ends and has it not deteriorated?
Does the wiring have continuity?
yes
Replace main PCB
Replace Fan
no
yes
Is there 230Vac at the blue and brown
connections to the 3 way connection on the Fan?
