Haier HSU-09RS03/R2(SDB) - Error Codes and Description Indoor Display

53
Domestic air conditioner
HSU-09/12RS03/R2(SDB) Service Diagnosis
7.4.Error Codes and Description indoor display
Code indication
Description
Reference
Page
indoor
Outdoor
(LED1 flash
times)
Indoorand Outdoor
E7 15
Communication fault between indoor and
outdoor units
61
Indoor Malfunction
E1 Room temperature sensor failure 54
E2 Heat-exchange sensor failure 54
06rorreMORPEEroodnI4E
55noitcnuflamrotomnafroodnI41E
Outdoor
Malfunction
06rorreMORPEEroodtuO121F
F1
2
65MPIfonoitcetorpehT
F3 4
Communication fault between the IPM and
outdoor PCB
56
F19 6 Power voltage is too high or low 63
F4 8 Overheat protection for exhaust temperature 58
F21 10 Frost-removing temperature sensor failure 57
F6 12 Ambient temperature sensor failure 57
F25 13 Exhaust temperature sensor failure 57
F11 18 deviate from the normal for the compressor 64