Haier 2U14CS4ERA - 11.4 Error Codes and Description indoor display

11.4 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 58.
Indoor Malfunction
E1 -- Room temperature sensor failure Page 49.
E2 -- Heat-exchange sensor failure Page 49.
50.egaProrreMORPEEroodnI--4E
E14 -- Indoor fan motor malfunction Page 51.
Outdoor
Malfunction
50.egaProrreMORPEEroodtuO121F
53.egaPMPIfonoitcetorpehT21F
F22 3
Overcurrent protection of AC electricity
for the outdoor model
Page 54.
F3 4
Communication fault between the IPM and
outdoor PCB
Page 55.
F19 6 Power voltage is too high or low Page 56.
F4 8
Overheat protection for Discharge
temperature
Page 57.
F21 10 Defrost temperature sensor failure Page 49.
F7 11 Suction temperature sensor failure Page 49.
F6 12 Ambient temperature sensor failure Page 49.
F25 13 Discharge temperature sensor failure Page 49.
F11 18 deviate from the normal for the compressor Page 60.
F28 19 Loop of the station detect error Page 60.
F2 24 Overcurrent of the compressor Page 54.
F23 25
Overcurrent protection for single-phase of the
compressor
Page 54.
F8
9
Page 52.
Outdoor DC fan motor fault
Service diagnosis
Domestic air conditioner
E9
21
High work-intense protection
Page 61.
48