Daikin RX09RMVJU User Manual

SiUS071735EB Troubleshooting
Service Diagnosis 64
4. Troubleshooting
4.1 Error Codes and Description
Error Codes Description
Reference
Page
System
00 Normal —
U0 Refrigerant shortage —
U2 Low-voltage detection or over-voltage detection 75
U4 Signal transmission error (between indoor unit and outdoor unit) 77
UA Mismatching of indoor unit and outdoor unit 79
Indoor
Unit
A1 Indoor unit PCB abnormality 65
A3 Drain level control system abnormality 66
A6 Indoor fan motor (DC motor) or related abnormality 67
A8 Indoor fan PCB abnormality 69
AF Humidifier or related abnormality 70
C4 Indoor heat exchanger thermistor 1 or related abnormality 71
C5 Indoor heat exchanger thermistor 2 or related abnormality 71
C9 Room temperature thermistor or related abnormality 71
CJ Remote controller thermistor abnormality 72
U5
Signal transmission error (between indoor unit and remote
controller)
73
U8
Signal transmission error (between MAIN remote controller and
SUB remote controller)
74
Outdoor
Unit
E1 Outdoor unit PCB abnormality 80
E5
OL activation (compressor overload) 81
OL activation (compressor overload) or HPS activation (high
pressure switch)
83
E6 Compressor lock 86
E7 DC fan lock (outdoor fan motor) 87
E8 Input overcurrent detection 88
EA Four way valve abnormality 89
F3 Discharge pipe temperature control 91
F6 High pressure control in cooling 92
F8 System shutdown due to temperature abnormality in compressor 94
H0 Compressor system sensor abnormality 95
H6 Position sensor abnormality 96
H8 DC voltage/current sensor abnormality 98
H9 Outdoor temperature thermistor or related abnormality 99
J3 Discharge pipe thermistor or related abnormality 99
J6 Outdoor heat exchanger thermistor or related abnormality 99
L3 Electrical box temperature rise 101
L4 Radiation fin temperature rise 102
L5 Output overcurrent detection 103
P4 Radiation fin thermistor or related abnormality 99

Daikin RX09RMVJU Specifications

General

Brand	Daikin
Model	RX09RMVJU
Category	Inverter
Language	English