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
Page46 .
Indoor Malfunction
E1 -- Room temperature sensor failure Page36 .
E2 -- Heat-exchange sensor failure Page36 .
.54egaProrreMORPEEroodnI--4E
E14 -- Indoor fan motor malfunction Page37 .
Outdoor
Malfunction
.54egaProrreMORPEEroodtuO121F
F1
2
.14egaPMPIfonoitcetorpehT
F22
3 Overcurrent protection of AC electricity
for the outdoor model
Page50 .
F3 4
Communication fault between the IPM and
outdoor PCB
Page43.
F19 6 Power voltage is too high or low Page48 .
F27 7
Compressor is lock-rotor or stopped
momentary
Page49
F4 8
Overheat protection for Discharge
temperature
Page44 .
04egaPtluafrotomnafCDroodtuO98F
F21 10 Defrost temperature sensor failure Page36 .
F7 11 Suction temperature sensor failure Page36 .
F6 12 Ambient temperature sensor failure Page36 .
F25 13 Discharge temperature sensor failure Page36
25egaPtnaregirferfotrohS6131F
F11 18 deviate from the normal for the compressor Page49 .
F28 19 Loop of the station detect error Page49 .
/ 21 Over load protection of indoor system Page49 .
F2 24 Overcurrent of the compressor Page50.
F23 25
Overcurrent protection for single-phase of the
compressor
Page50.
E9
21 High work-intense protection Page52 .
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