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Symptoms: "PLEASE WAIT" is kept being displayed on the remote controller.
Diagnosis flow
Check the display time of "PLEASE WAIT"
after turning on the main power.
6 minutes
or more
Check the LED display of the
outdoor controller circuit board.
Are any check codes
displayed on the LED?
No
OCH653C
2 minutes
How long is "PLEASE WAIT"
or less
kept being displayed on the
remote controller?
2 to 6
minutes
Are any check codes
displayed on the
remote controller?
Yes
Yes
51
Cause
• "PLEASE WAIT"
will be displayed
during the startup
diagnosis after
turning on the main
power.
No
• Miswiring of indoor/
outdoor connecting
wire
• Breaking of indoor/
outdoor connecting
wire (S3)
• Defective indoor
controller board
• Defective outdoor
controller circuit
board
• Defective indoor
controller board
• Defective remote
controller
Inspection method and
troubleshooting
• Normal.
The startup diagnosis will
be over in around 2 minutes.
• Refer to "Self-diagnosis
action table" in order to
solve the trouble.
• In the case of communi-
cation errors, the display
of remote controller may
not match the LED display
of the outdoor unit.
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