How long is “PLEASE WAIT”
kept being displayed on the
remote controller?
6 minutes
or more
2 minutes
or less
2 to 6
minutes
NO
NO
YES
YES
Are any check codes
displayed on the
remote controller?
Are any check codes
displayed on the LED?
Symptoms: “PLEASE WAIT” is kept being displayed on the remote controller.
Check the display time of “PLEASE WAIT”
after turning on the main power.
“PLEASE WAIT”
will be displayed
during the start-up
diagnosis after turning
on the main power.
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The start-up diagnosis will
be over in around 2 minutes.
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outdoor connecting
wire
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outdoor connecting
wire (S3)
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controller board
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controller circuit
board
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action table” in order to
solve the trouble.
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errors, the display of
remote controller may not
match the LED display of
the outdoor unit.
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controller board
'HIHFWLYHUHPRWH
controller
Check the LED display of the
outdoor controller circuit board.
Diagnosis flow
Cause
Inspection method and
troubleshooting
OCH651
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