TM 9-2320-363-34-1
Table 3-1. Troubleshooting (Cont)
Malfunction
Test or InspectIon
Corrective Action
ARCTIC HEATER (CONT)
Step 2. Check for defective fuel control valve.
Replace fuel control valve (page 25-14).
Step 3. Check for defective thermostat,
Replace thermostat switch (page 25-18).
Step 4. Check for defective fixed resistor.
Replace fixed resistor (page 25-22).
3. BLOWER RUNS WHEN SWITCH IS IN START POSITION AND HEATER IGNITES, BUT
PILOT LAMP WILL NOT LIGHT.
Check for defective flame detector switch.
4. HEATER STARTS AND
Step 1. Check
Step 2. Check
Step 3. Check
5. HEATER OVERHEATS.
Step 1. Check
Step 2. Check
Step 3. Check
6. HEAT OUTPUT LOW.
Step 1. Check
Reset, or replace flame detector switch (page 25-30).
RUNS BUT GOES OUT LATER.
for restriction in coolant flow.
Clear restriction from hose(s) (TM 9-2320-363-20).
for defective thermostat.
Replace thermostat (page 25-28).
for defective fuel control valve.
Replace fuel control valve (page 25-14).
for defective fuel control valve.
Replace fuel control valve (page 25-14).
for defective thermostat.
Replace thermostat (page 25-28).
for restriction in coolant flow.
Clear restriction from hose(s) (TM 9-2320-363-20).
for defective fuel control valve.
Replace fuel control valve (page 25-14).
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