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TM 9-2320-364-34-1
5. FAULT CODE 033: BLOWER MOTOR SPEED FAULT (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Verify repair.
Arctic heater blower motor OK.
on Page 2-766.41
Arctic heater control unit
blower speed control power
REASON FOR QUESTION
circuit OK.
If arctic heater operates normally,
Arctic heater control unit blower
fault has been corrected.
speed control circuit OK.
Does arctic heater operate
Arctic heater control unit blower
motor speed sensor OK.
normally?
POSSIBLE PROBLEMS
If arctic heater indicator
light flashes or fault code
retrieval device (FCRD)
displays fault code 033,
fault not corrected.
Notify supervisor.
NO
If arctic heater indicator
light flashes or fault code
retrieval device (FCRD)
displays fault code other
than 033, troubleshoot
fault code displayed (TM
9-2320-364-20).
YES
Fault corrected.
2-406
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