Code
Description
26
Fan motor starts, flame forms then lockout occurs. Flame monitoring fault.
27, 28
Faulty differential air pressure switch.
28
Lack of air pressure.
31, 32
Leakage test failure.
34
No oil supply or too low atomizing pressure. Faulty oil pump.
35
Main solenoid valve does not open. Return oil pressure too high.
6.11 Burner parts (GP)
Exploded view GP-350 M - 450 M ver. 3
112 (114)
M4248 2316EN