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7. Troubleshooting
7.1 Indoor unit
7.2 Outdoor unit
LED status
Operation indicator, time indicator, Defrosting (fan
indicator, for cooling only type)indicator flicker at 5Hz
Four times Current protection (PRCUR1) 5Hz
Time indicator flickers at 5Hz the room temperature sensor o is open or short
Operation indicator flickers at 5Hz the evaporator temperature sensor is open or short
Defrosting indicator flickers at 5Hz the condenser temperature sensor is open or short
Operation indicator, time indicator, indicator flicker at
5Hz
EEPROM error
Defrosting indicator, auto indicator, indicator flicker at
5Hz
Outdoor unit protects(Outdoor temp, sensor ,phase order etc)
Auto indicator, indicator flicker at 5Hz Communication error
LED status( the times after 2 seconds interval )
5 times Communication error
4 times Phase order protection
3 times Pressure protection
2 times The condenser temperature sensor is open or short
1 time Indoor unit abnormal
On Working status
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