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Errors


Boiler type Elite Fire Tube Combi (floor Mount)

Error code Er:28

Cause:

Overheat Sensor Open or Short 

Solution:

This Error Code will go away when CH temperature decreases. If Error happens again:
1. Check overheat temperature sensor. Ensure connections are secure.
2. Check overheat sensor resistance. If resistance is zero, replace the sensor.
3. If the problem persists, replace the main control