Daikin RMXS-L Series Service Manual page 205

SiUS181631EA
Error code
Outdoor JC Low pressure sensor abnormality
Unit
L1 Outdoor unit PCB abnormality
L4 Radiation fin temperature rise
L5 Inverter compressor abnormality
L8 Inverter current abnormality
L9 Compressor start-up error
P1 High voltage of capacitor in main inverter circuit
P4 Radiation fin thermistor abnormality
System U0 Low pressure drop due to refrigerant shortage or
electronic expansion valve abnormality
U2 Power supply insufficient or instantaneous failure
U3 Check operation is not conducted
U4 Signal transmission error between indoor unit and
Branch provider (BP) unit
U5 Signal transmission error between indoor unit and
remote controller
U8 Signal transmission error between MAIN remote
controller and SUB remote controller
System U9 Signal transmission error between indoor unit and
outdoor unit in the same system
UA Mismatching of indoor unit and outdoor unit
Excessive number of indoor units
UC Address duplication of central remote controller
UE Transmission error between centralized remote
controller and indoor unit
UF System is not set yet
UH System abnormality, refrigerant system address
undefined
UJ Transmission error between outdoor unit and Branch
provider (BP) unit
The system keeps operating even though the error code is indicated, however, be sure to check and repair.
Troubleshooting
Description
Error Codes and Description
Reference page
RA Indoor SA Indoor BP Unit
Unit Unit
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— 215
— 216
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— 217
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Outdoor
Unit
— 244
— 245
— 246
— 247
— 248
— 249
— 250
— 251
— 252
— 254
— 255
222 —
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— 256
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— 257
— 258
— 259
— 261
— 262
224 —
195