Chaffoteaux PILOT WILL NOT STAY ALIGm Fault Code

Also written as PILOTWILLNOTSTAYALIGM — same fault.

The Chaffoteaux PILOT WILL NOT STAY ALIGm fault code means: your boiler's pilot light is failing to remain lit, which prevents the main heating system from starting up safely.. It appears on 2 Chaffoteaux models in our database.

Technical description: i) Thermocouple not working, ii) Thermoelectric valve faulty, iii) Gas pressure low/variable, iv) Terminal wrongly positioned, v) Badly assembled flue, vi) Gas pressure too high