7
1
TM 9-4940-568-10
3-19
Table 3-1. Troubleshooting - CONT.
Malfunction
Test or Inspection
Corrective Action
SHELTER HEATER (CONT)
1.
HEATER FAILS TO START OR DOES NOT STAY RUNNING (CONT).
Step 5. Check heater thermostat (1) green light (7) for blinking fault code.
If green light on thermostat is blinking, notify Unit Maintenance.
NOTE
The heater will automatically shutdown if overheating occurs. The thermostat green light will
flash on and off to indicate an overheat situation.
Step 6. Check air intake screen and air outlet for obstruction.
Clear any obstruction and restart heater.
If condition persists, notify Unit Maintenance.