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ERROR CODES & PROBLEM SOLVING
PAGE 19
ENGLISH
Indoor Unit Display
Error codes will be display on the indoor unit in place of the set temperature.
Code Indication
Fault Description
Indoor Display panel code
indication
Outdoor
(LED1
flash
times)
Other
display
Indoor and
Outdoor
E7 15
Communication fault between indoor
and outdoor units
Indoor
Malfunction
E1 -- Room temperature sensor failure
E2 -- Heat-exchange sensor failure
E4
-- Indoor EEPROM error
E14 -- Indoor fan motor malfunction
Outdoor
Malfunction
F12 1 Outdoor EEPROM error
F1 2 The protection of IPM
F22 3
Overcurrent protection of AC
electricity for the outdoor model
F3 4
Communication fault between the IPM
and outdoor PCB
F19 6 Power voltage is too high or low
F4 8
Overheat protection for Discharge
temperature
F21 10 Defrost temperature sensor failure
F7 11 Suction temperature sensor failure
F6 12 Ambient temperature sensor failure
F25 13 Discharge temperature sensor failure
F11 18
deviate from the normal for the
compressor
F28 19 Loop of the station detect error
F2 24 Overcurrent of the compressor
F23 25
Overcurrent protection for single-phase
of the compressor
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