FAULT CODE 051: FAULTY FLAME RECOGNITION.

TM 9-2320-364-34-1

2-17.1. ARCTIC HEATER (MODEL B) TROUBLESHOOTING (CONT).

9. FAULT CODE 051: FAULTY FLAME RECOGNITION.

INITIAL SETUP

References

TM 9-2320-364-10

Tools and Special Tools

TM 9-2320-364-20

Tool Kit, General Mechanic's: Automotive

(Item 241, Appendix F)

Equipment Condition

STE/ICE-R (optional) (Item 15, Appendix F)

Engine OFF, (TM 9-2320-364-10)

Multimeter (Item 140, Appendix F)

Parking brake applied, (TM 9-2320-364-10)

Fault Code Retrieval Device (FCRD)

Wheels chocked, (TM 9-2320-364-10)

(Item 60.1, Appendix F)

NOTE

The following steps should only be used if troubleshooting was started at First Chart

For Diagnosis of Arctic Heater Troubleshooting procedure (Para 2-17.1 Fault 1) (all

conditions) and you were referred here.

START

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING

Continuity test.

on Page 2-766.65

Nothing.

STE/ICE #91.

POSSIBLE PROBLEMS

REASON FOR QUESTION

If resistance reading is be-

Arctic heater flame sensor

Is resistance across arctic

tween 900 and 1100 ohms at

faulty.

heater flame sensor between

room temperature, arctic heater

Arctic heater control unit faulty.

control unit may be faulty. If

900 and 1100 ohms, at room

not, arctic heater flame sensor

temperature?

is faulty.

Replace arctic

heater flame sen-

sor (Para 18-22).

Verify repair, go to

Step 2 of this

Fault.

YES

Replace arctic

heater control unit

(Para 18-2.2).

Verify repair, go to

Step 2 of this

Fault.

2-640