Troubleshooting 11
5. Error Diagnosis and Troubleshooting Without Error Code
WARNING
Be sure to turn off unit before any maintenance to prevent damage or injury.
5.1 Remote maintenance
SUGGESTION: When troubles occur, please check the following points with customers before field maintenance.
No. Problem Solution
1 Unit will not start 13-14
2 The power switch is on but fans will not start 13-14
3 The temperature on the display board cannot be set 13-14
4 Unit is on but the wind is not cold(hot) 13-14
5 Unit runs, but shortly stops 13-14
6 The unit starts up and stops frequently 13-14
7 Unit runs continuously but insufficient cooling(heating) 13-14
8 Cool can not change to heat 13-14
9 Unit is noisy 13-14
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