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Errors


Boiler type Helix VX-050

Error code E65

Cause:

Flue temperature sensor is shorted. '0' Ohm

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