FAULT CODE 012, 013, 014 OR 015: OVERHEATING, EXCESSIVE TEMPERATURE AT FLAME SENSOR, POSSIBLE OVERHEATING DETECTED OR TOO MANY OVERHEATS. (Cont) -726250864

TM 9-2320-364-34-1

3. FAULT CODE 012, 013, 014 OR 015: OVERHEATING, EXCESSIVE TEMPERATURE

AT FLAME SENSOR, POSSIBLE OVERHEATING DETECTED OR TOO MANY

OVERHEATS (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Arctic heater coolant level

on Page 2-766.15

checks OK unit level.

Arctic heater coolant hoses and

REASON FOR QUESTION

valves check OK unit level.

Arctic heater temperature sensor

Is resistance across arctic

OK.

If resistance reading is not be-

heater overheat sensor be-

tween 10K and 150K ohms at

POSSIBLE PROBLEMS

room temperature, arctic heater

tween 10K and 150K ohms, at

overheat sensor is faulty.

room temperature?

Arctic heater overheat sensor

faulty.

Arctic heater flame sensor faulty.

Arctic heater coolant pump faulty.

Arctic heater in lockout mode

Replace arctic heat-

(fault code 15 active).

er overheat sensor

(Para 18-2.2). Verify

repair, go to Step 4

of this Fault.

YES

2-140

-78