4.9.6 Ignition Transformer
Part Check Point
Function Continuously provides a high voltage to flame rod until gas ignites.
Failure Event
1. Unable to ignite during the ignition process.
2. Produces multiple unsuccessful attempts to ignite.
Effects
1. The unit cannot ignite during the ignition process and “E003” or “E004” error codes will display.
2. Durability of the igniter wears down.
Error Code E003, E004
Diagnostic
1. Visual inspection: Check wire connections are secure.
2. Voltage check: Check range of voltage shown below.
Testing/inspection
information
Blue
●
On : AC 97 ~ 138 V
●
Off : 0 V
Input Voltage Output Voltage Output Current
120 V, 60 Hz 20 KV± 10mA±2mA
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