
LEDs’ for the indication of outdoor trouble
Type Contents LED1 LED2 LED3
Trouble Phase sequence Flash Off Off
Trouble Lack of phase(A,B) Flash Off Off
Trouble Lack of phase(C) Off Off Off
Trouble Protection of Low pressure Flash Flash Off
Trouble Overload of current Off Off Flash
Trouble Communication malfunction Flash Off Flash
Trouble Open-circuit and short-circuit trouble of T3
Off Flash Flash
Trouble Open-circuit and short-circuit trouble of T4
Off Flash Off
Trouble High temperature protection of condenser
Flash Flash Flash
Note:
1. If the LED1-LED3 are flashing slowly,means the system is stand-by.
2. T3: Outdoor condenser temperature sensor
3. T4: Outdoor ambient temperature sensor
8. Troubleshooting
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