Baxi 100HE Ignition Lockout?
My boiler keeps getting the red fault light on permanently. The boiler lights OK but then shuts down after about 2 secs. This occurs 5 times before the ignition lockout occurs. The yellow flame on light never illuminates.
The following parts have been swapped with my freindly neighbours boiler without success:
Ignition PCB, Control PCB, Interface PCB, Fan, Burner Box front cover which includes the ignitor and the flame sensor.
We've checked that the Condesate trap is clean and clear. Confirmed that the wiring between the Ignition PCB and the flame sensor is ok. Checked the Gas Valve sense tube to the burner box is clear. The transformer is ok.
Does anyone have any other ideas before I call Heat Team?
Ian C, November 2008