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

SiUS092230EA

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 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
C7 Front panel open/close fault
C9 Room temperature thermistor or related abnormality
CE Presence sensor or floor sensor 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
compressor
H0 Compressor system sensor abnormality
H6 Position sensor abnormality
H8 DC voltage/current 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
Description

Error Codes and Description

Reference Page
FTXR FDMQ FFQ
— — —
— — —
134 151 151
136 153 153
— 155 155
— 156 156
138 157 157
126 139 139
— 140 140
128 — —
129 141 143
— 146 —
— 147 147
132 148 148
— 148 148
133 — —
132 148 148
— — 149
— 150 150
158
159
161
164
167
168
169
171
173
174
176
177
178
181
182
182
182
184
185
187
182
125