ā 151 ā
2. Indoor fan does not operate (others are normal)
Can the fan be stopped by remote
control?
The microcomputer fan PWM
output (at pin ) is 1 - 5V.
Replace the microcomputer.
Replace the fan motor.
Replace the microcomputer.
Perform final operation check.
3. Air deflector does not move (others are normal)
Replace the microcomputer.
Is a voltage over 15 or below 10V
being generated on the 12V line?
Replace IC111.
Ye s
Ye s
Ye s
Ye s
No
No
No
No
Check IC711. If it is normal,
replace the air deflector motor.
Perform final operation check.
40
Are pulse signals output at
microcomputer pins [Auto
Sweep 1], [Auto Sweep
2] when auto swing is turned on
in the fan mode?
15 18
-
19 22
-
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