Service diagnosis
11
Domestic air conditioner
Code indication
fault description
Reference
Page
Indoor
displaying
panel code
indication
Outdoor
(LED1 flash
times)
Indoor and
Outdoor
E7 15
Communication fault between indoor and
outdoor units
Page48
Indoor Malfunction
E1 -- Room temperature sensor failure Page38
E2 -- Heat-exchange sensor failure Page38
74egaProrreMORPEEroodnI--4E
E14 -- Indoor fan motor malfunction Page39
Outdoor
Malfunction
74egaProrreMORPEEroodtuO121F
F1
2
34egaPMPIfonoitcetorpehT
F22
3 Overcurrent protection of AC electricity
for the outdoor model
Page52
F3 4
Communication fault between the IPM and
outdoor PCB
Page45
F19 6 Power voltage is too high or low Page50
F27 7
Compressor is lock-rotor or stopped
momentary
Page51
F4 8
Overheat protection for Discharge
temperature
Page46
24egaPtluafrotomnafCDroodtuO98F
F21 10 Defrost temperature sensor failure Page38
F7 11 Suction temperature sensor failure Page38
F6 12 Ambient temperature sensor failure Page38
F25 13 Discharge temperature sensor failure Page38
45egaPtnaregirferfotrohS6131F
F11 18 deviate from the normal for the compressor Page51
F28 19 Loop of the station detect error Page51
/ 21 Over load protection of indoor system Page53
F2 24 Overcurrent of the compressor Page52
F23 25
Overcurrent protection for single-phase of the
compressor
Page52
E9
21 High work-intense protection Page54
37
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