3.
Error Diagnosis and Troubleshooting Without Error Code
3.1
Remote maintenance
SUGGESTION:
When troubles occur, please check the following points with customers before field maintenance.
Problem
Solution
1
Unit will not start
Page 66-67
2
The power switch is on but fans will not start
Page 66-67
3
The temperature on the display board cannot be set
Page 66-67
4
Unit is on but the wind is not cold(hot)
Page 66-67
5
Unit runs, but shortly stops
Page 66-67
6
The unit startup and stop frequently
Page 66-67
7
Unit runs continuously but insufficient cooling(heating)
Page 66-67
8
Cool can not change to heat
Page 66-67
9
Unit is noisy
Page 66-67
Page 63
Be sure to turn off unit before any maintenance to prevent damage or injury.
Trou
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