TM 9-2350-277-20-1
PERSONNEL HEATER MALFUNCTIONS—Continued
0086 00
BY
1. Remove heater indicator cover lens (1) and bulb (2).
2. Check continuity between bulb center contact and base.
3. Is there continuity?
YES
NO
BYN
1. Replace heater bulb (WP 0702 00).
2. Verify no faults found.
B2Y
1. Remove harness 12268797 circuit 400 plug (1) from control box
jack (2).
2. Measure voltage between harness 12268797 circuit 400 plug (1)
pin and ground.
3. Does multimeter read 17 volts or more?
YES
NO
B2YN
1. Repair harness 12268797 circuit 400
between MASTER SWITCH and
heater control box (WP 0382 00).
2. Verify no faults found.
0086 00-4
