FAULT CODE 050 OR 052: TOO MANY NO START ATTEMPTS OR NO START SAFETY TIME EXCEEDED. (Cont) -726250900

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

Fuel level OK (checked at

Visual inspection.

Read WARNING

operational level).

on Page 2-766.51

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?

POSSIBLE PROBLEMS

Arctic heater fuel metering pump

faulty.

Arctic heater fuel system not

primed.

Arctic heater flame sensor faulty.

Fault not corrected.

Arctic heater glow pin faulty.

Notify supervisor.

Arctic heater in lockout mode

(fault code 050 active).

YES

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