FAULT CODE 012, 013, 014 OR 015: OVERHEATING, EXCESSIVE TEMPERATURE AT FLAME SENSOR, POSSIBLE OVERHEATING DETECTED OR TOO MANY OVERHEATS. (Cont) -726250866

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

Arctic heater coolant level

Read WARNING

Continuity test.

checks OK unit level.

on Page 2-766.17

STE/ICE-R #91.

Arctic heater coolant hoses and

valves check OK unit level.

REASON FOR QUESTION

Arctic heater temperature sensor

Is resistance across arctic

OK.

If resistance reading is between

Arctic heater overheat sensor

heater flame sensor between

900 and 1100 ohms at room tem-

OK.

900 and 1100 ohms, at room

perature, arctic heater coolant

pump may be faulty. If not, arctic

temperature?

POSSIBLE PROBLEMS

heater flame sensor is faulty.

Arctic heater flame sensor faulty.

Arctic heater coolant pump faulty.

Arctic heater in lockout mode

(fault code 15 active).

Replace arctic heat-

er flame sensor

(Para 18-2.2). Verify

repair, go to Step 4

of this Fault.

YES

Replace arctic heat-

er coolant pump

(Para 18-2.2). Verify

repair, go to Step 4

of this Fault.

2-162

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