Daikin R71FUV1 User manual

Pocket

Manual

Service Diagnosis

Si20 - 701_B

SkyAir Series Si20-701_B

1. List of Applicable Models .................................. 1

2. Symptom-based Troubleshooting ................... 29

2.1 Overview ............................................................29

2.2 Equipment does not Operate .............................31

2.3 Indoor Unit Fan Operates,

but Compressor does not Operate ....................33

2.4 Cooling / Heating Operation Starts but Stops

Immediately .......................................................36

2.5 After Unit Shuts Down, It cannot be Restarted

for a While ..........................................................38

2.6 Equipment Operates but does not Provide

Cooling ...............................................................41

2.7 Equipment Operates but does not Provide

Heating ..............................................................44

2.8 Equipment Discharges White Mist .....................47

2.9 Equipment Produces Loud Noise or Vibration ...49

2.10Equipment Discharges Dust ..............................52

2.11Remote Controller LCD Displays "88" ................53

3. Troubleshooting by Remote Controller ........... 54

3.1 Procedure of Self-diagnosis by Remote

Controller ...........................................................54

3.2 Error Codes and Description .............................59

3.3 Detailed Error Codes .........................................73

3.4 A0 Error of External Protection Device ...............79

3.5 A1 Indoor Unit PCB Abnormality ........................81

3.6 A3 Drain Water Level System Abnormality .........83

3.7 A6 Indoor Unit Fan Motor Abnormality ...............86

3.8 A6 Fan Motor (M1F) Lock, Overload ..................96

3.9 A7 Swing Flap Motor Abnormality / Lock ............98

3.10A8 Abnormal Power Supply Voltage ................100

3.11A9 Electronic Expansion Valve Coil (Y1E)

Abnormality ......................................................102

3.12AF Drain System Abnormality ...........................105

3.13AF Drain Level above Limit ...............................107

Si20-701_B SkyAir Series

3.14AJ Capacity Setting Abnormality ......................108

3.15C1 Transmission Error

(between Indoor Unit PCB and Fan PCB) .......115

3.16C1 Transmission Error (between Indoor Unit

PCB and Adaptor PCB) ...................................118

3.17C4, C5, C9 Thermistor Abnormality ....................121

3.18C6 Defective Combination

(between Indoor Unit PCB and Fan PCB) .......123

3.19CC Humidity Sensor System Abnormality .........125

3.20CJ Remote Controller Thermistor

Abnormality ......................................................128

3.21E0 Actuation of Safety Device ..........................130

3.22E0 Activation of Outdoor Unit Protection

Device ..............................................................138

3.23E1 Outdoor Unit PCB Abnormality ...................140

3.24E3 High Pressure System Abnormality ............143

3.25E3 Abnormally High Pressure Level (HPS) ......148

3.26E3 High Pressure Abnormality (HPS) ..............150

3.27E3 Actuation of High Pressure Switch ..............153

3.28E4 Low Pressure System Abnormality .............162

3.29E4 Actuation of Pressure Sensor .....................164

3.30E4 Actuation of Low Pressure Sensor ..............168

3.31E4 Low Pressure System Abnormality .............173

3.32E5 Compressor Motor Lock ..............................176

3.33E6 Compressor Overcurrent ............................181

3.34E7 Outdoor Unit Fan Motor Abnormality ..........184

3.35E9 Electronic Expansion Valve Abnormality ....196

3.36E9 Electronic Expansion Valve Coil

Abnormality ......................................................200

3.37F3 Discharge Pipe Temperature

Abnormality ......................................................210

3.38F3 Discharge Pipe Temperature Control .........218

3.39F6 Abnormal Heat Exchanging

Temperature ....................................................220

3.40F6 Refrigerant Overcharged ............................222

3.41H3 High Pressure Switch Abnormality ..............224

3.42H3 High Pressure Switch System

Abnormality ......................................................229

3.43H4 Low Pressure Sensor System

Abnormality ......................................................231

SkyAir Series Si20-701_B

iii

3.44H7 Outdoor Unit Fan Motor Signal

Abnormality ......................................................235

3.45H9, J3, J5, J6, J7, J8 Thermistor System

Abnormality ......................................................237

3.46H9 Outdoor Air Thermistor System

Abnormality ......................................................239

3.47J1 Pressure Sensor Abnormality .....................241

3.48J2 Current Sensor System Abnormality ...........243

3.49J3 Discharge Pipe Thermistor System

Abnormality ......................................................245

3.50J5 Suction Pipe Thermistor Abnormality ..........248

3.51J6 Heat Exchanger Thermistor System

Abnormality ......................................................250

3.52J7 Liquid Pipe Thermistor Abnormality ............252

3.53J9 Subcooling Heat Exchanger Gas Pipe

Thermistor Abnormality ....................................254

3.54JA High Pressure Sensor Abnormality .............256

3.55JC Suction Pipe Pressure Sensor

Abnormality ......................................................259

3.56L1 Outdoor Unit PCB Abnormality ...................261

3.57L1 Outdoor Inverter PCB Abnormality ..............263

3.58L1 Outdoor Unit PCB Abnormality ...................265

3.59L4 Overcurrent of DC Output

(Instantaneous) ................................................268

3.60L4 Radiation Fin Temperature Rise .................270

3.61L5 Overcurrent of DC Output

(Instantaneous) ................................................278

3.62L5 Momentary Overcurrent of Inverter

Compressor .....................................................281

3.63L5 Output Overcurrent Detection .....................284

3.64L5 Inverter Compressor Abnormality ...............287

3.65L5 Output Overcurrent Detection .....................290

3.66(L8) Electronic Thermal Switch (Time Lag) ......294

3.67L8 Inverter Current Abnormality .......................297

3.68L8 Inverter Compressor Overcurrent ...............300

3.69L8 Electronic Thermal (Time Lag) ....................303

3.70L9 Stall Prevention (Time Lag) .........................309

3.71L9 Inverter Startup Error ..................................311

3.72LC Transmission Error Between Inverter and

Control PCB .....................................................317

Si20-701_B SkyAir Series

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

SkyAir Series Si20-701_B

3.99UA Improper Combination of Indoor and

Outdoor Units, Indoor Units and

Remote Controller ............................................427

3.100UA Field Setting Switch Abnormality ...............430

3.101UA Field Setting Switch and Transmission

Line Abnormality ..............................................433

3.102UC Centralized Address Setting Error .............437

3.103UC Address Duplication of Centralized

Controller .........................................................438

3.104UE Transmission Error between Centralized

Controller and Indoor Unit ................................439

3.105UF Mis-connection of Field Wiring ..................447

3.106UF System is not Set yet ................................448

3.107UF Transmission Error between Indoor and

Outdoor Unit / Piping and Wiring Mismatch /

Refrigerant Shortage .......................................450

3.108UF Transmission System Abnormality

(between Indoor and Outdoor Units) ...............455

3.109UH System Error, Refrigerant System

Address Undefined ..........................................456

3.110Check ............................................................459

Si20-701_B SkyAir Series

List of Applicable Models Si20-701_B

1. List of Applicable Models

R-FU Series

Series Outdoor Units Indoor Units

R-FUV1

R71FUV1 FA71FVEK

R100FUV1 FA100FVEK

R71FUV1 FH71BVE

R100FUV1 FH100BVE

R71FUV1 FHC71KVE

R100FUV1 FHC100KVE

R71FUV1 FV71LVE

R100FUV1 FV100LVE

R-FUY1

R71FUY1 FA71FVEK

R100FUY1 FA100FVEK

R71FUY1 FH71BVE

R100FUY1 FH100BVE

R125FUY1 FH125BVE

R71FUY1 FHC71KVE

R100FUY1 FHC100KVE

R125FUY1 FHC125KVE

R140KUY1 FHYC140KVE

R71FUY1 FV71LVE

R100FUY1 FV100LVE

R125FUY1 FV125LVE

R-FUVAL

R71FUVAL FA71FVEK

R100FUVAL FA100FVEK

R71FUVAL FH71BVE

R100FUVAL FH100BVE

R71FUVAL FHC71KVE

R100FUVAL FHC100KVE

R71FUVAL FV71LVE

R100FUVAL FV100LVE

R-FUTAL

R125FUTAL FH125BVE

R125FUTAL FHC125KVE

R125FUTAL FV125LVE

Si20-701_B List of Applicable Models

R-GA Series

R-G Series

Series Outdoor Units Indoor Units

R-GAV R50GAV1A FH50BVE

R60GAV1A FH60BVE

Series Outdoor Units Indoor Units

R-GV1

R35GV1 FH35BVE

R50GV1 FH50BVE

R60GV1 FH60BVE

R35GV1 FHB35FV1

R50GV1 FHB45FV1

R60GV1 FHB60FV1

R35GV1 FHC35KVE

R50GV1 FHC50KVE

R60GV1 FHC60KVE

R35GV1 FHK35FV1

R50GV1 FHK45FV1

R60GV1 FHK60FV1

R-GV1A

R35GV1A FHC35KVE

R50GV1A FHC50KVE

R60GV1A FHC60KVE

R-GVAL

R50GVAL FH50BVE

R60GVAL FH60BVE

R50GVAL FHC50KVE

R60GVAL FHC60KVE

R-GV1K

R60GV1K FHC60KVE

R60GV1K FH60BVE

R60GV1K FHB60FV1

R60GV1K FHK60FV1

List of Applicable Models Si20-701_B

R-KU Series

Series Outdoor Units Indoor Units

R-KUV1

R71KUV1 FAY71FAVE

R100KUV1 FAY100FAVE

R71KUV1 FHK71FV1

R71KUV1 FHY71BVE

R100KUV1 FHY100BVE

R71KUV1 FHYB71FV1

R100KUV1 FHYB100FV1

R71KUV1 FHYC71KVE

R100KUV1 FHYC100KVE

R71KUV1 FUY71FJV1

R100KUV1 FUY100FJV1

R71KUV1 FVY71LVE

R100KUV1 FVY100LVE

R-KUY1

R71KUY1 FAY71FAVE

R100KUY1 FAY100FAVE

R71KUY1 FHK71FV1

R71KUY1 FHY71BVE

R100KUY1 FHY100BVE

R125KUY1 FHY125BVE

R71KUY1 FHYB71FV1

R100KUY1 FHYB100FV1

R125KUY1 FHYB125FV1

R71KUY1 FHYC71KVE

R100KUY1 FHYC100KVE

R125KUY1 FHYC125KVE

R71KUY1 FUY71FJV1

R100KUY1 FUY100FJV1

R125KUY1 FUY125FJV1

R71KUY1 FVY71LVE

R100KUY1 FVY100LVE

R125KUY1 FVY125LVE

This manual suits for next models

561

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