10 
TROUBLESHOOTING
1. Self-diagnostic function
A B
ON/OFF | TEMP | |
4 |
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| FAN | AUTO STOP |
MODE | VANE | AUTO START |
CHECK | LOUVER | h |
2
3
TEST RUN | min |
SET | RESET CLOCK |
Self-check
1Turn on the main power to the unit.
2Press the CHECK button twice continuously.
(Start this operation from the status of remote controller display turned off.)
A CHECK begins to light. B “00” begins to blink.
3While pointing the remote controller toward the unit’s receiver,
h
press the 
button. The check code will be indicated by the number of times that the buzzer sounds from the receiver section and the number of blinks of the operation lamp.
4Press the ON/OFF button to stop the
Check Code | Alarm | Buzzer sound |
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1 | Suction sensor alarm | Single beep O 1 |
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2 | Pipe sensor alarm | Single beep O 2 |
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3 | Transmission alarm | Single beep O 3 |
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4 | Drain sensor alarm | Single beep O 4 |
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5 | Drain pump alarm | Single beep O 5 |
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6 | Single beep O 6 | |
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| Single beep O 6 | |
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7 | System error | Single beep O 7 |
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8 | Outdoor unit alarm | Single beep O 8 |
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9 | No alarm (no error) | Receiving signal only |
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| (no error alarm) |
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