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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
1
Unit will not start
2
The power switch is on but fans will not start
3
The temperature on the display board cannot be set
4
Unit is on but the wind is not cold(hot)
5
Unit runs, but shortly stops
6
The unit starts up and stops frequently
7
Unit runs continuously but insufficient cooling(heating)
8
Cool can not change to heat
9
Unit is noisy
Troubleshooting 11
Solution
13-14
13-14
13-14
13-14
13-14
13-14
13-14
13-14
13-14
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