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7
TROUBLESHOOTING
7-1. CAUTIONS ON TROUBLESHOOTING
(1) Before troubleshooting, check the followings:
1
Check the power supply voltage.
2
Check the indoor/outdoor connecting wire for mis-wiring.
(2) Take care the followings during servicing.
1
Before servicing the air conditioner, be sure to turn off the remote controller first to stop the main unit, and then turn
off the breaker.
2
When removing the indoor controller board, hold the edge of the board with care NOT to apply stress on the
components.
3
When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
Lead wires
