Error Codes And Description - Daikin RMXS-L Series Service Manual

Error Codes and Description

3. Error Codes and Description
Error code
Indoor A1 Indoor unit PCB abnormality
Unit
A3 Drain level control system abnormality
A5 Freeze-up protection control/heating peak-cut control
A6 Indoor fan motor or related abnormality
A9 Electronic expansion valve abnormality
AF Humidifier or Related abnormality
C4 Indoor heat exchanger thermistor 1 (liquid pipe) or
related abnormality
C5 Indoor heat exchanger thermistor 2 or related
abnormality
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
Outdoor E1 Outdoor unit PCB abnormality
Unit
E2 Branch provider (BP) unit PCB abnormality
E3 Actuation of high pressure switch
E4 Actuation of low pressure sensor
E5 Compressor motor lock
E7 Outdoor fan motor abnormality
E9 Moving part of electronic expansion valve (Y1E, Y3E)
abnormality
F3 Discharge pipe temperature abnormality
F6 Refrigerant overcharged
H9 Outdoor temperature thermistor (R1T) abnormality
J0 Branch provider (BP) liquid or gas pipe thermistor
abnormality
J3 Discharge pipe thermistor (R2T) abnormality
J5 Suction pipe thermistor (R3T, R5T) abnormality
J6 Outdoor heat exchanger thermistor (R4T) abnormality
J7 Outdoor liquid pipe thermistor (R7T) abnormality
J9 Subcooling heat exchanger gas pipe thermistor (R6T)
abnormality
JA High pressure sensor abnormality
194
Description Reference page
RA Indoor SA Indoor BP Unit
Unit Unit
196 207
— 208
198 —
199, 201 209
— —
— 211
203 212
— 212
204 —
203 212
— 213
— 214
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SiUS181631EA
Outdoor
Unit
— —
— —
— —
— —
219 —
— —
— —
— —
— —
— —
— —
— —
— 226
220 —
— 227
— 229
— 231
— 232
— 233
— 235
— 236
— 237
221 —
— 238
— 239
— 240
— 241
— 242
— 243
Troubleshooting