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Errors


Boiler type Trinity Fire Tube (Tft75)

Error code Lockout 85

Cause:

1. Pump flowing in the wrong direction
2. Incorrect factory sensor wiring

Solution:

1. Ensure water circulation through the boiler is in the correct direction.
2. Disconnect flue sensor cable; screen should display “Hold 95 – Stack sensor fault”; if not contact NTI.