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YES
NO
YES
YES
NO
NO
NO
YES
YES
6. The air deflector cannot be moved(other functions are normal)
Are pulse signals output at pins -
of micro computer when the "auto
air deflection" is set to ON in the fan
operation mode?
Is a voltage of 15V or more generat-
ed between
➀
and G (12V line) of
REG2?
Replace the micro computer.
Check IC501 and if there is no abnor-
mality, replace the auto sweep motor.
Replace REG1.
Perform a final check of operation.
Operate in FAN mode with HI fan speed.
Operation lamp lights once, then goes off 5 or 10 seconds later
Remove CN10 and operate in the FAN mode gain.
Operation lamp lights once, then goes off 5 or 10 second after.
Is it possible to turn indoor fan by hand easily? (turn power switch off
before checking.)
Replace indoor fan.
Check if pattern of P.W.B. is not short-circuit-
Check if indoor fan is touching the chassis,
etc. If it is, correct it.
48
51
7. Operation completely stops within a few seconds minutes after starting. (All displays also go off.)
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