FAULT CODE 050 OR 052: TOO MANY NO START ATTEMPTS OR NO START SAFETY TIME EXCEEDED. (Cont) -726250908

TM 9-2320-364-34-1

8. FAULT CODE 050 OR 052: TOO MANY NO START ATTEMPTS OR NO START

SAFETY TIME EXCEEDED (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Fuel level OK (checked at

Continuity test.

on Page 2-766.59

operational level).

STE/ICE-R #91.

Arctic heater intake port checks

OK at unit level.

REASON FOR QUESTION

Arctic heater exhaust port and

Is resistance across arctic

exhaust tube checks OK at unit

If resistance reading is not be-

level.

heater flame sensor between

tween 900 and 1100 ohms at

Arctic heater fuel lines check OK

room temperature, arctic heater

900 and 1100 ohms at room

at unit level.

glow pin may be faulty. If not,

temperature?

Arctic heater fault code 050 not

arctic heater flame sensor may

active.

be faulty.

Arctic heater fuel metering pump

OK.

Arctic heater fuel system primed.

Replace arctic heat-

er flame sensor

POSSIBLE PROBLEMS

(Para 18-2.2). Verify

Arctic heater flame sensor faulty.

repair, go to Step 7

Arctic heater glow pin faulty.

of this Fault.

YES

Replace arctic

heater glow pin

(Para 18-2.2).

Verify repair, go to

Step 7 of this

Fault.

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