FAULT CHART FOR DIAGNOSTIC OF ARCTIC HEATER TROUBLESHOOTING (MODEL B). (Cont) -726250855

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.

If the fault code retrieval device (FCRD) is not installed, the arctic heater indicator light displays the

diagnostic flash codes for the arctic heater. These flash codes are 8 seconds long and repeat after 8

seconds.

The fault code retrieval device (FCRD) displays the last 5 faults that occur. The latest fault displayed

is either AF or F1. If more than one fault code is displayed, troubleshoot the latest fault code first.

Perform Steps (1) through (3) only if fault code retrieval device (FCRD) is available.

VISUAL INSPECTION

(1) Remove cover from arctic heater

(TM 9-2320-364-20).

(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) Using the arctic heater indicator light

and the chart to the right or the fault

code retrieval device (FCRD), note

which fault code is displayed.

(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.

(7) If fault code 000 was displayed on fault

code retrieval device (FCRD) or

arctic heater indicator illuminates

(it does not flash), go to Step 2 of

this Fault.

(8) Troubleshoot fault code displayed

as indicated.

(a) Code 001 or 002: Go to

Para 2-17.1 Fault 2.

(b) Code 010: Go to Para 2-17.1

Fault 2.

(d) Code 012, 013, 014 or 015: Go

to Para 2-17.1 Fault 3.

(e) Code 020 or 021: Go to

Para 2-17.1 Fault 4.

(f) Code 033: Go to Para 2-17.1 Fault 5.

(g) Code 037, 042 or 059: Go to

Para 2-17.1 Fault 6.

(h) Code 043, 047 or 048: Go to

Para 2-17.1 Fault 7.

(i) Code 050 or 052: Go to

Para 2-17.1 Fault 8.

(j) Code 051: Go to Para 2-17.1 Fault 9.

(k) Code 053, 054, 055 or 056: Go

to Para 2-17.1 Fault 10.

(l) Code 060, 061, 071 or 072: Go

to Para 2-17.1 Fault 11.

(m) Code 064 or 065: Go to

Para 2-17.1 Fault 12.

(n) Code 090, 093, 094 or 097: Go

to Para 2-17.1 Fault 13.

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