Table des Matières
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IX800 Operation & Service Manual
Heater Troubleshooting
Burner blower does not start, no spark, no flame
Symptom
Ignition controller error light on steady.
Green light is on. Single flash of the error light
on ignition controller after 30 seconds.
Burner won't start when call for heat or jumper
plug in. No green light but main blower turns
on if fan manual button is pushed in. Power at
the VFD.
Control box electric heater always on. Control
box cooling fan always on.
Green light always on. Heater stuck on
standby.
Green light on. Orange light on. Control box
cooling fan doesn't work. Heater stuck on
standby.
Green light on. Orange light on. Control box
cooling fan on. Heater stuck in standby.
Green light is on when the start button is
pressed, but turns off when the button is
released.
Green light is on. No error light on ignition
controller.
No green light when start button is pressed.
No power at the VFD.
No green light when the start button is
pressed. Green light comes on when the
manual button on the logic relay is pressed.
T5A fuse repeatedly burning out.
Heater operates on 1 phase or 3 phase only.
18
Possible Problems
Ignition controller failure.
Air switch failure.
Burner motor failure.
Low voltage fuse (T5A) burned out
Fuse (3A) burned out.
Power transformer burned out.
Tilt switch failure.
Preheat thermostat failure.
Preheat relay (1) failure.
Preheat relay (2) failure.
Preheat relay (1) failure.
Preheat relay (1) failure.
Preheat relay (2) failure.
Electric preheating element failure.
Logic relay failure.
Stop switch failure.
Thermostat failure.
Output limit switch failure (reset)
L2/L3 3 phase or L/N 1 phase contact
on power selector switch failure.
No electrical supply.
L1/L2 3 phase or L/N 1 phase missing.
L2/L3 3 phase or L/N 1 phase fuse
blown.
Start switch failure.
Overload (or short) in 24VAC circuit
(secondary transformer voltage).
Power switch locked in one position.
Steady
1
1
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-
-
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-
-
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-
-
-
-
-
-
-
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-
P/N
974-4135
Rev: 2.51
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