Johnson Controls YJHJXH024BARR-FX, Service Manual

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Service Diagnosis
Domestic Air Conditioner
63
7.3.Error Codes and Description indoor display
Code indication
indoor
Outdoor
(LED1 flash
times)
Description
Reference
Page
Indoorand Outdoor
E7 15
Communication fault between indoor and
outdoor units
Page .72
E1 Room temperature sensor failure Page .64
E2 Heat-exchange sensor failure Page .64
E4 Indoor EEPROM error Page .71
Indoor Malfunction
E14 Indoor fan motor malfunction Page .65
F12 1 Outdoor EEPROM error Page .71
F1 2 The protection of IPM Page .67
3 Overcurrent protection of AC electricity
for the outdoor model
Page .76
F3 4
Communication fault between the IPM and
outdoor PCB
Page .68
F19 6 Power voltage is too high or low Page .74
F4 8 Overheat protection for exhaust temperature Page .70
F21 10 Frost-removing temperature sensor failure Page .69
F6 12 Ambient temperature sensor failure Page .69
F25 13 Exhaust temperature sensor failure Page .69
F11 18 deviate from the normal for the compressor Page .75
F28 19 Loop of the station detect error Page .75
24 Overcurrent of the compressor Page .76
Outdoor
Malfunction
25
Overcurrent protection for single-phase of the
compressor
Page .76
YJHJZH024BARRAFX -SM