Daikin GYEQ20AN, Руководство по обслуживанию

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SiAUY361411EA Flow Charts for Troubleshooting
Troubleshooting 168
44
Indoor Unit and Remote Control Mismatch
Error
code
UA
Description
of the failure
Sub-code 2: The number of connected remote control units does not match the number of supported remote
control units specific to the model.
Sub-code 5: Unable to receive signals from the ignition CPU when the power is turned ON.
Possible
causes
of the failure
CPU mismatch; indoor/outdoor unit connection failure; communication line connection failure;
remote controller connection failure; software version mismatch; outdoor unit mismatch
Flow chart
Sub Code 2
Are Main Circuit Board's CN10
And Power Supply Circuit Board's
CN107 Connected Properly?
Sub Code 5
NO
Does No. Of Connected
Remote Controllers Match Supported
No. Of Remote Controllers?
NO
Connect Correct No. Of
Remote Controllers.
YES
YES
Correct Connection.
Remove And Reinsert
Connectors, Then Turn ON
Power Again.
025912-02EN02
Check whether
communication cables
between outdoor and Indoor
units connected properly.