Haier AS24TD2HRA - Page 30

Service diagnosis
28 Domestic air conditioner
10.3 Error Codes and Description indoor display
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
Page .39
Indoor Malfunction
E1 -- Room temperature sensor failure Page 28.
E2 -- Heat-exchange sensor failure Page 28.
E4 -- Indoor EEPROM error Page 29.
E14 -- Indoor fan motor malfunction Page 30
Outdoor
Malfunction
F12 1 Outdoor EEPROM error Page .29
F1 2 The protection of IPM Page .33
F22 3
Overcurrent protection of AC electricity
for the outdoor model
Page .34
F3 4
Communication fault between the IPM and
outdoor PCB
Page.36
F19 6 Power voltage is too high or low Page .37
F4 8
Overheat protection for Discharge
temperature
Page .38
F21 10 Defrost temperature sensor failure Page 28.
F7 11 Suction temperature sensor failure Page .28
F6 12 Ambient temperature sensor failure Page .28
F25 13 Discharge temperature sensor failure Page .28
F11 18 deviate from the normal for the compressor Page .41
F28 19 Loop of the station detect error Page .41
F2 24 Overcurrent of the compressor Page .34
F23 25
Overcurrent protection for single-phase of the
compressor
Page .40