Daikin R71FUV1 Service Manual page 5

Si20-701_B
3.73LC Transmission Error
(between Control PCB and Inverter PCB) ....... 323
3.74P1 Inverter Over-Ripple Protection ..................326
3.75P1 Open Phase or Power Supply Voltage
Imbalance ........................................................ 329
3.76P4 Radiation Fin Thermistor Abnormality ......... 331
3.77P4 Radiation Fin Thermistor or Related
Abnormality ...................................................... 335
3.78PJ Defective Capacity Setting .......................... 336
3.79PJ Error in Capacity Setting .............................338
3.80PJ Field Setting Error after Replacing Main
PCB or Defective Combination of PCB ............339
3.81PJ Defective Combination of Inverter and
Fan Driver ........................................................ 341
3.82PJ Defective Capacity Setting .......................... 343
3.83U0 Refrigerant Shortage ................................... 347
3.84U0 Low Pressure Drop Due to Refrigerant
Shortage or Electronic Expansion
Valve Failure .................................................... 349
3.85U0 Refrigerant Shortage ................................... 352
3.86U1 Reverse Phase ........................................... 358
3.87U2 Insufficient Voltage ...................................... 361
3.88U2 Power Supply Voltage Abnormality ............. 363
3.89U2 Power Supply Insufficient or Instantaneous
Failure .............................................................. 365
3.90U2 Power Supply Voltage Abnormality ............. 370
3.91U3 Check Operation is not Executed ............... 373
3.92U4 or UF Transmission Error
(Between Indoor Unit and Outdoor Unit) ......... 375
3.93U4 Transmission Error Between Indoor Unit
and Outdoor Unit ............................................. 381
3.94U5 Transmission Error Between Indoor Unit
and Remote Controller .................................... 404
3.95U7 Transmission Error Between Outdoor
Units ................................................................ 412
3.96U8 Transmission Error Between Main Remote
Controller and Sub Remote Controller ............. 415
3.97U9 Transmission Error Between Indoor and
Outdoor Units in the Same System ................. 421
3.98UA Defective Field Setting Switch .................... 424
iv
SkyAir Series