Operation Instruction - Gree FGR25Pd/DNa-X Service Manual

4.3.2.3 Operation instruction

 Power LED: a red light. If the red light is on, it indicates normal power supply. If the red light is off,
it indicates the power supply of converter is not normal.
 Communication LEDs: yellow lights. When converter is working and the computer is transmitting
data, the TX data transmitting light will be flickering. When units are uploading data to the
Duct type split Air conditioner Inverter Series
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