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Symptom
Cause
Wired remote controller
On the wireless remote controller with condition above, following phenomena take place.
• No signals from the remote controller can be received.
• Operation lamp is blinking.
• The buzzer makes a short ping sound.
PLEASE WAIT
PLEASE WAIT
→
Error code
No messages appear even
when operation switch is
turned ON (operation lamp
does not light up).
For about 2
minutes after
power-on
Subsequent to
about 2 minutes
after power-on
• For about 2 minutes after power-on,op-
eration of the remote controller is not possible
due to system start-up. (Correct operation)
• Connector for the outdoor unit’s protection
device is not connected.
• Reverse or open phase wiring for the outdoor
unit’s power terminal block
• Incorrect wiring between indoor and outdoor
units
• Remote controller wire short
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2) provided on the indoor controller, refer to the following table.
LED1 (power for microcomputer)
Indicates whether control power is supplied. Make sure that this LED is
always lit.
LED2 (power for wired remote controller)
Indicates whether power is supplied to the wired remote controller.
This LED lights only in the case of the main indoor unit.
• If the unit cannot be operated properly after the test run, refer to the following table to find out the cause.
• On wired remote controller
1
Check code displayed in the LCD.
1
Check code
Symptom
Remark
Wired remote controller
P1
Intake sensor error
P2
Pipe (TH2) sensor error
P4
Drain sensor error
P5
PA
Drain pump error
Forced compressor stop
P6
Freezing/ Overheating protection operation
P8
Pipe temperature error / Outdoor unit error
E4, E5
Remote controller signal receiving error
–
–
–
–
Fb
Indoor unit control system error (memory error, etc.)
E0, E3
E1, E2
Remote controller control board error
Remote controller transmission error
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