Version 1.4
92 NCB-E Service Manual
Failure mode
Cause
Check method
Ignition failure
Bracket
Igniter
Flame Red
Ignite gap distance : 3.5-4.5mm (1/8”)
No spark from
electrode
When no spark is made from the electrode at ignition:
●
Remove the electrode and check if there is a crack on the insulator.
●
Adjust the gap if there is a discharge of electricity from the metallic part of the
burner.
●
Ensure that the insulating gasket is installed between the electrode and burner
casing.
●
Check the input power to the ignition transformer (AC 96 - 138 V).
●
If there is sufficient power to the ignition transformer, replace the ignition
transformer.
●
Replace the PCB if there is no power or insufficient power supplied to the ignition
transformer.
●
Check the insulator boots on the spark wires for cracks/holes.
Ignition transformer
