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DC Inverter Multi
VRF Service Manual
2�2 Low-pressure Protection
Error display on hand controller: E3
Outdoor units mainboard indicator: led4: dark; led3: dark; led2: blink; led1: dark (low voltage)
led4: blink; led3: blink; led2: bright; led1: dark (lack of refrigerant)
Indoor units mainboard indicators:
Patio indoor units: red led: blink:red led:blink; green led:dark; yellow led:dark
FY wall-mounting motor: red led:blink; yellow led:dark
New FY wall-mounting motor: red led:blink; green led:dark; yellow led:dark
Hanging indoor units: red led:blink; green led:dark; yellow led:dark
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