Error Codes And Description - Daikin RXL-W Series Service Manual

SiUS092231E

4. Error Codes and Description

System
Indoor
Unit
Outdoor
Unit
: Displayed only when system down occurs for method 1.
Part 6 Service Diagnosis
Error
Codes
00 Normal
U0 Refrigerant shortage
U2 Low-voltage detection or over-voltage detection
U4 Signal transmission error
(between indoor unit and outdoor unit)
U5 Signal transmission error
(between indoor unit and remote controller)
U8 Signal transmission error
(between MAIN/SUB remote controller)
UA Unspecified voltage
(between indoor unit and outdoor unit)
A1 Indoor unit PCB abnormality
A3 Drain level control system abnormality
A5 Freeze-up protection control/heating peak-cut
control
A6 Indoor fan motor (DC motor) or related abnormality
A8 Indoor fan PCB abnormality
AF Humidifier or related abnormality
C4 Indoor heat exchanger thermistor or related
abnormality
C5
C9 Room temperature thermistor or related abnormality
CJ Remote controller thermistor abnormality
E1 Outdoor unit PCB abnormality
E3 Actuation of high pressure switch
E5 OL activation (compressor overload) or
HPS activation (high pressure switch)
OL activation (compressor overload)
E6 Compressor lock
E7 DC fan lock
E8 Input overcurrent detection
EA Four way valve abnormality
F3 Discharge pipe temperature control
F6 High pressure control in cooling
F8 System shutdown due to temperature abnormality in
the compressor
H0 Compressor system sensor abnormality
H6 Position sensor abnormality
H9 Outdoor temperature thermistor or related
abnormality
J3 Discharge pipe thermistor or related abnormality
J6 Outdoor heat exchanger thermistor or related
abnormality
L3 Electrical box temperature rise
L4 Radiation fin temperature rise
L5 Output overcurrent detection
P4 Radiation fin thermistor or related abnormality
U7 Signal transmission error on outdoor unit PCB
Description

Error Codes and Description

Reference Page
FTX FVXS FDMQ
— — —
— — —
134 134 147
136 136 149
— — 151
— — 152
138 138 153
125 125 139
— — 140
127 127 —
129 129 141
— — 143
— — 144
133 133 145
— — 145
133 133 145
— — 146
154
155
157
160
163
164
165
167
169
170
172
173
174
177
177
177
179
181
183
177
185
124