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DC Inverter Floor Ceiling Type Air Conditioner Installation and Operation Manual
The LED Indicator Display on the Main Board of Outdoor Unit (09K/12K).
This table is applicable to the electric control box of the 09K and 12K C Series DC inverter air conditioners.
Some of the items are not malfunction; they mean the normal running status.
Running Status
Compressor started
Defrosting
Anti-freezing protection
IPM protection
Over-current protection
Heat exchanger overload protection
Discharge protection
Compressor overload protection
Power protection
Module overheating protection
EEPROM reading error
Low voltage protection
High voltage protection
PFC over-current protection
Unmatched indoor and outdoor units
Limited frequency(current)
Limited frequency (discharge)
Limited frequency (overload)
Reduced frequency (anti-freezing)
Outdoor ambient temperature sensor error
Outdoor pipe temperature sensor error
Outdoor discharge temperature sensor error
Up to the startup temperature
Limited frequency(module temperature)
Limited frequency (power)
Communication normal
Communication error
Indoor ambient temperature sensor error
Indoor pipe temperature sensor error
Outdoor unit
Outdoor unit
Yellow Lamp
Red Lamp
Flash once
Flash twice
Flash 3 times
Flash 4 times
Flash 5 times
Flash 6 times
Flash 7 times
Flash 8 times
Flash 9 times
Flash 10times
Flash 11 times
Flash 12times
Flash 13times
Flash 14times
Flash 16times
Flash once
Flash twice
Flash 3 times
Flash 4 times
Flash 6 times
Flash 5 times
Flash 7 times
Flash 8 times
Flash 11times
Flash 13times
24
wired
Outdoor unit
controller
Green Lamp
Display
Displayed
E2
E5
E5
/
E4
E5
E5
E5
E5
E5
E5
E5
/
/
/
/
/
F3
F2
F4
/
/
/
Flash
/
continuously
Black out
E6
F0
F1
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