Table of Contents
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LEDs' for the indication of outdoor trouble
Type
Trouble
Trouble
Trouble
Trouble
Trouble
Trouble
Trouble
Open-circuit and short-circuit trouble of T3
Trouble
Open-circuit and short-circuit trouble of T4
Trouble
High temperature protection of condenser
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
Electrical Control
Contents
Phase sequence
Lack of phase(A,B)
Lack of phase(C)
Protection of Low pressure
Overload of current
Communication malfunction
LED1
LED2
Flash
Off
Flash
Off
Off
Off
Flash
Flash
Off
Off
Flash
Off
Off
Flash
Off
Flash
Flash
Flash
Troubleshooting
LED3
Off
Off
Off
Off
Flash
Flash
Flash
Off
Flash
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