Errors

Boiler type Trinity Fire Tube (Tft55)

Error code Lockout 138

Cause:

1. Blocked venting.
2. Fowled or faulty flame sensor.
3. Incorrect combustion settings.

Solution:

1. Check for blockage of the exhaust-vent, Air-inlet, combustion blower, gas valve venturi, heat exchanger etc.
2. Inspect flame sensor for cracks of fowling, clean or replace as necessary.
3. Check combustion settings, correct accordingly.