FAULT CHART FOR DIAGNOSTIC OF ARCTIC HEATER TROUBLESHOOTING (MODEL B). (Cont) -726250857

TM 9-2320-364-34-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a direct short

may result. Damage to equipment, injury or death to personnel may occur.

NOTE

Refer to arctic heater (Model B) troubleshooting (TM 9-2320-364-20) for fault code retrieval device

(FCRD) operation.

Perform Steps (2) and (3) only if fault code retrieval device (FCRD) is available.

VISUAL INSPECTION

(1) Ensure vehicle is returned to normal

operating condition.

(2) Install fault code retrieval device

(FCRD) on arctic heater unit harness

diagnostic connector.

(3) Press the D button on fault code

retrieval device (FCRD) to turn arctic

heater ON.

(4) Turn arctic heater ON

(TM 9-2320-364-10).

(5) Observe arctic heater for proper

operation.

(6) Turn arctic heater switch to OFF

(TM 9-2320-364-10) or press the

D button on the fault code retrieval

device (FCRD), if installed.

(a) If arctic heater operates normally

fault has been corrected.

Remove fault code retrieval

device (FCRD) and install arctic

heater cover (TM 9-2320-364-20).

(b) If arctic heater does not operate

normally, replace arctic heater

control unit (Para 18-2.2) and

go to Step 3 of this Fault.

2-772-7