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Errors


Boiler type GWM-150IE

Error code E65

Cause:

Flue Sens Shorted.

Solution:

1. Disconnect wire harness from Vent Temperature Sensor. Measure Sensor resistance. Does resistance match estimated flue temperature?
Yes: -> 2
No: Replace Vent Temperature Sensor.

2. Disconnect harness from Control Module J5. Continuity in blue wires?
Yes: Replace Control Module
No: Replace wires