FAULT CODE 050 OR 052: TOO MANY NO START ATTEMPTS OR NO START SAFETY TIME EXCEEDED. (Cont) -726250906

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

Visual inspection.

on Page 2-766.57

operational level).

Arctic heater intake port checks

REASON FOR QUESTION

OK at unit level.

Arctic heater exhaust port and

Fault code 050 must be cleared

Does arctic heater operate af-

exhaust tube checks OK at unit

to clear lockout mode before test-

level.

ter fault code 050 is cleared

ing can continue.

Arctic heater fuel lines check OK

or arctic heater control unit is

at unit level.

replaced?

Arctic heater fuel metering pump

OK.

Arctic heater flame sensor OK.

Arctic heater glow pin OK.

POSSIBLE PROBLEMS

Fault not cor-

Arctic heater fuel system not

rected. Notify su-

primed.

pervisor.

Arctic heater in lockout mode

(fault code 015 active).

YES

Go to Step 4 of

this Fault.

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