When Troubles Occur
Before contacting the commissioned repair center for
Symptom |
| Cause | Solution | |
The unit does not |
| The fuse is blown out or the breaker | Change the fuse or close the | |
operate. |
| is open. | breaker. | |
Once the unit operates, it | The air inlet or air outlet of indoor | Remove the obstacles. | ||
stops immediately. |
| or outdoor unit is blocked. |
| |
A b n o r m a l | o f | The air inlet or air outlet of indoor | Remove the obstacles. | |
or outdoor unit is blocked. | ||||
C O O L I N G | o r | Improper set temperature | Referring to page 8 | |
HEATING. |
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|
| |
| The fan speed is set too low | Referring to page 8 | ||
|
| |||
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| Incorrect swing direction | Referring to page 9 | |
|
| The doors or windows are open | Close them | |
*COOLING* | Direct sunshine | Hang the curtain or blinds before | ||
windows | ||||
*COOLING* |
| |||
Too much people in room |
| |||
*COOLING* | Too many heat sources in room |
| ||
Trouble display |
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| |
Phenomenon of outdoor unit trouble | The flashing time of indicator light on | |
outdoor control panel | ||
| ||
The trouble of outdoor ambient temperature sensor | 1 (A, B systems indicate together) | |
The trouble of outdoor coil temperature sensor | 2 (A and B system indicate individually) | |
The trouble of outdoor discharging air temperature | 3 (A and B system indicate individually) | |
sensor | ||
| ||
The outdoor discharging air temperature is too high | 4 (A and B system indicate individually) | |
Over electric current protection | 5 (A and B system indicate individually) | |
CT wire breaks | 6 (A and B system indicate individually) | |
Detection of abnormal phase sequence | 7 (A and B system indicate together) | |
The communication trouble between indoor and | 8 (A and B system indicate individually) | |
outdoor unit |
| |
The protection of too high (too low) pressure | 9 (A and B system indicate individually) | |
Phenomenon of indoor unit trouble | Trouble indication on remote control | |
type indoor unit | ||
| ||
The trouble of indoor ambient temperature sensor | The compressor indicator light flashes 1 time | |
in 0.2S/time frequency | ||
| ||
The trouble of indoor coil temperature sensor | The compressor indicator light flashes 2 time | |
in 0.2S/time frequency | ||
| ||
The trouble of outdoor ambient temperature sensor | The compressor indicator light flashes 3 time | |
in 0.2S/time frequency | ||
| ||
The trouble of outdoor coil temperature sensor | The compressor indicator light flashes 4 time | |
in 0.2S/time frequency | ||
| ||
The trouble of electric current overload | The compressor indicator light flashes 5 time | |
in 0.2S/time frequency | ||
| ||
Over voltage protection | The compressor indicator light flashes 6 time | |
in 0.2S/time frequency | ||
| ||
Excessive and lack voltage protection | The compressor indicator light flashes 7 time | |
in 0.2S/time frequency | ||
| ||
The communication trouble between panel and indoor | The compressor indicator light flashes 8 time | |
panel | in 0.2S/time frequency | |
The communication trouble between indoor panel and | The compressor indicator light flashes 9 time | |
outdoor panel | in 0.2S/time frequency | |
The trouble of water pump | The compressor indicator light flashes 10 time | |
in 0.2S/time frequency | ||
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