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
Page49.
Indoor Malfunction
E1 -- Room temperature sensor failure Page39.
E2 -- Heat-exchange sensor failure Page39.
0.4egaProrreMORPEEroodnI--4E
E14 -- Indoor fan motor malfunction Page41.
Outdoor
Malfunction
0.4egaProrreMORPEEroodtuO121F
F1
2
4.4egaPMPIfonoitcetorpehT
F22
3
Overcurrent protection of AC electricity
for the outdoor model
Page45.
F3 4
Communication fault between the IPM and
outdoor PCB
Page46.
F19 6 Power voltage is too high or low Page47.
F27 7
Compressor is lock-rotor or stopped
momentary
Page51.
F4 8
Overheat protection for Discharge
temperature
Page48.
2.4egaPtluafrotomnafCDroodtuO98F
F21 10 Defrost temperature sensor failure Page39 .
F7 11 Suction temperature sensor failure Page39.
F6 12 Ambient temperature sensor failure Page39.
F25 13 Discharge temperature sensor failure Page39.
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F11 18 deviate from the normal for the compressor Page51.
F28 19 Loop of the station detect error Page51.
F2 24 Overcurrent of the compressor Page45.
F23 25
Overcurrent protection for single-phase of the
compressor
Page45.
E9
21 High work-intense protection Page52.
/ 21 Over load protection of indoor system Page47 .
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