Publicité
Burner blower starts, no spark, no flame
Symptom
Single error light flash on ignition
controller after 30 seconds.
Burner motor won't turn on if any draft
is present. One error flash on ignition
controller.
Burner motor runs from power up. When
start button is pushed green light is on
and one error flash on ignition controller.
No spark after 30 seconds prepurge (no
visible arcing). Three error flashes on
ignition controller. Burner motor shuts
down after 45 seconds of postpurge.
Burner blower starts, spark, no flame
Symptom
Burner motor starts but no flame after 30
seconds prepurge. Three error flashes
on ignition controller.
Burner won't ignite or occasionally
ignites with poor combustion. Three error
flashes on ignition controller.
P/N
974-4135
Rev: 2.51
IX800 Operation & Service Manual
Possible Problems
Air switch failure.
Air switch set to too high a pressure.
Air tubes plugged or installed in
wrong air switch position.
Air switch set to too low a pressure.
Ignition controller failure. (Ignition
controller F1 terminal powered.)
Burner motor relay failure.
Ignition transformer failure.
Igniter shorting to ground.
Cracked spark plug ceramic insulator.
Possible Problems
Top RTD or RTD controller-related
failure.*
Flame rod and spark plug wires
reversed.
Manual valve closed.
Solenoid valve failure.
Upstream regulators installed
backwards.
Inlet pressure too high.
Strainer plugged or dirty.
Manifold pressure set too low.
Burner orifices plugged or dirty.
Burner air inlet obstructed.
1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
3
3
3
1
19
Publicité
