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[ IX Troubleshooting ]
IX Troubleshooting
[1] Troubleshooting
1. Cautions on troubleshooting
(1) Before troubleshooting, check the followings:
1 Check the power supply voltage.
1
2
Check the indoor/outdoor connecting wire for mis-wiring.
3
Connect the connectors of external input/output devices to the circuit board to which the remote controller is
connected.
When there is an external output or output connector, check that it is inserted in the board on the side with the remote
4
controller connected.
(2) Take care the followings during servicing.
1 1
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.
When removing the indoor controller board, hold the edge of the board with care NOT to apply stress on the
components.
When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
2. Self-check function
Wired remote controller
HWE20020
Lead wires
While no errors are occurring, page 2/2 of the error
information can be viewed from the menu operation.
Select "Maintenance" menu from the Main menu, and
press the
SELECT
button.
To display the error information screen, select "Error
information" from the Maintenance menu.
Errors cannot be reset.
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