Fastrax Hellfire 900, Installation, Operation & Maintenance Instructions Manual

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Problem Conditions* Possible Cause Remedy**
Heater fails to start.
Alarm indicated.
(cont’d)
• Fan starts, runs briefly
then stops.
• Controller LEDs
– POWER on.
– ALARM red.
– AIR SW alternating.
Heater NOT connected to duct
system.
Complete heater installation.
Air intake severely blocked.
Clear intake screen of blockage,
i.e. ice, snow, paper.
Air switch fails to close when fan
operating.
Calibrate air switch.
See manual for instructions.
• Fan starts.
• Controller LEDs
– POWER on.
– MOTOR on.
– HEAT on.
• FSR LEDs sequence:
1. POWER on.
2. PILOT on.
3. PILOT off.
4. ALARM on.
• Controller LEDs
– POWER on.
– ALARM red.
– FSR ALARM
alternating.
• Fan runs for post purge
duration then stops.
Inadequate gas pressure.
• Verify supply pressure is within
nameplate rating.
• Verify pilot solenoid valve operation.
• Verify manual pilot valve is open. Handle in
line with body.
Air in line. Purge air from gas supply line.
No spark.
• Inspect igniter and ignition wire.
• Replace any damaged items, fouled igniter,
corroded wire or cracked boot.
Inadequate flame signal.
Inspect flame rod and wiring.
Replace any damaged items, fouled rod,
corroded wire or cracked boot.
• Controller LEDs
– POWER on.
– ALARM red.
– FSR CHECK
alternating.
FSR missing. Install missing FSR in sub base.
FSR failed. Unable to energize
solenoids.
Replace FSR.
Open circuit between FSR 9-pin
and main and safety solenoid. Trace wiring. Repair damaged wires. Tighten
any loose connections.
Heater starts, runs
for 10 minutes with no
heat, stops and then
alarm indicated.
• Controller LEDs
– POWER on.
– ALARM red.
– CYCLING alternating.
• FSR LED.
– Power on.
Cycling thermostat failed open.
Replace thermostat.
NOTE: If thermostat closes the alarm is
cleared and the heater resumes
normal operation.
Cycling thermostat disconnected.
• Connect thermostat.
• Inspect for damaged wiring between
control panel and thermostat box.