Tr
oubleshooting
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3. Error Diagnosis and Troubleshooting Without Error Code
WARNING
Be sure to turn off unit before any maintenance to prevent damage or injury.
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
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2
The power switch is on but fans will not start
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3
The tempreture on the playboard cannot be setted
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4
Unit is on but the wind is not cold(hot)
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5
Unit runs, but shortly stops
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6
The unit startup and stop frequently
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7
Unit runs continuously but insuffiient cooling(heating)
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8
Cool can not change to heat
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9
Unit is noisy
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