Daikin J-Series User Manual

SiBE041101 Troubleshooting
Service Diagnosis 80
4. Troubleshooting
4.1 Error Codes and Description
★
: Displayed only when system-down occurs.
Error Codes Description
Reference
Page
System
00
Normal —
U0★
Refrigerant shortage 117
U2
Low-voltage detection or over-voltage detection 120
U4
Signal transmission error (between indoor unit and outdoor unit) 87
UA
Unspecified voltage (between indoor unit and outdoor unit) 88
Indoor
Unit
A1
Indoor unit PCB abnormality 81
A5
Freeze-up protection control or heating peak-cut control 82
A6
Fan motor (DC motor) or related abnormality 84
C4
Indoor heat exchanger thermistor or related abnormality 86
C9
Room temperature thermistor or related abnormality 86
Outdoor
Unit
E1
Outdoor unit PCB abnormality 89
E5★
OL activation (compressor overload) 92
E6★
Compressor lock 93
E7
DC fan lock 94
E8
Input overcurrent detection 95
EA
Four way valve abnormality 96
F3
Discharge pipe temperature control 98
F6
High pressure control in cooling 100
H0
Compressor system sensor abnormality 101
H6
Position sensor abnormality 103
H8
DC voltage / current sensor abnormality (20/25/35/42 class) 106
CT or related abnormality (50 class) 107
H9
Outdoor temperature thermistor or related abnormality 109
J3
Discharge pipe thermistor or related abnormality 109
J6
Outdoor heat exchanger thermistor or related abnormality 109
L3
Electrical box temperature rise 111
L4
Radiation fin temperature rise 113
L5
Output overcurrent detection 115
P4
Radiation fin thermistor or related abnormality 109
U7
Signal transmission error on outdoor unit PCB (50 class only) 122

Daikin J-Series Specifications

General

Brand	Daikin
Model	J-Series
Category	Air Conditioner
Language	English