Daikin RXS20K3V1B User Manual

SiBE041134 Troubleshooting
Service Diagnosis 65
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 73
U2
Low-voltage detection or over-voltage detection 75
U4
Signal transmission error (between indoor unit and outdoor unit) 77
UA
Unspecified voltage (between indoor unit and outdoor unit) 79
Indoor
Unit
A1
Indoor unit PCB abnormality 66
A5
Freeze-up protection control or heating peak-cut control 68
A6
Fan motor (DC motor) or related abnormality 70
C4
Indoor heat exchanger thermistor or related abnormality 72
C9
Room temperature thermistor or related abnormality 72
Outdoor
Unit
E1
Outdoor unit PCB abnormality 80
E5
OL activation (compressor overload) 81
E6
Compressor lock 82
E7
DC fan lock 83
E8
Input overcurrent detection 84
EA
Four way valve abnormality 85
F3
Discharge pipe temperature control 87
F6
High pressure control in cooling 88
H0
Compressor system sensor abnormality 89
H6
Position sensor abnormality 90
H8
DC voltage / current sensor abnormality 92
H9
Outdoor temperature thermistor or related abnormality 93
J3
Discharge pipe thermistor or related abnormality 93
J6
Outdoor heat exchanger thermistor or related abnormality 93
L3
Electrical box temperature rise 95
L4
Radiation fin temperature rise 97
L5
Output overcurrent detection 99
P4
Radiation fin thermistor or related abnormality 93

Daikin RXS20K3V1B Specifications

General

Brand	Daikin
Model	RXS20K3V1B
Category	Air Conditioner
Language	English