Daikin FH125BVE - 3.83 U0 Refrigerant Shortage; 3.92 U4 or UF Transmission Error (Between Indoor Unit and Outdoor Unit); 3.97 U9 Transmission Error Between Indoor and Outdoor Units in the Same System; 3.100 UA Field Setting Switch and Transmission Line Abnormality

Procedure of Self-Diagnosis by Remote Controller61

3.2 Error Codes and Description66

3.3 Detailed Error Codes80

A0 Error of External Protection Device86

A1 Indoor Unit PCB Abnormality88

A3 Drain Water Level System Abnormality90

A6 Indoor Unit Fan Motor Abnormality93

A6 Fan Motor (M1F) Lock, Overload103

A7 Swing Flap Motor Abnormality / Lock105

A8 Abnormal Power Supply Voltage107

A9 Electronic Expansion Valve Coil (Y1E) Abnormality109

AF Drain System Abnormality112

AF Drain Level above Limit114

AJ Capacity Setting Abnormality115

Remote Controller Display117

C1 Transmission Error (between Indoor Unit PCB and Fan PCB)122

C1 Transmission Error (between Indoor Unit PCB and Adaptor PCB)125

C4, C5, C9 Thermistor Abnormality128

C6 Defective Combination (between Indoor Unit PCB and Fan PCB)130

CC Humidity Sensor System Abnormality132

CJ Remote Controller Thermistor Abnormality135

E0 Actuation of Safety Device137

E0 Activation of Outdoor Unit Protection Device145

E1 Outdoor Unit PCB Abnormality147

E3 High Pressure System Abnormality150

E3 Abnormally High Pressure Level (HPS)155

E3 High Pressure Abnormality (HPS)157

E3 Actuation of High Pressure Switch160

E4 Low Pressure System Abnormality169

E4 Actuation of Pressure Sensor171

E4 Actuation of Low Pressure Sensor175

E4 Low Pressure System Abnormality180

E5 Compressor Motor Lock183

E6 Compressor Overcurrent188

Approximate Input Current Value190

E7 Outdoor Unit Fan Motor Abnormality191

E9 Electronic Expansion Valve Abnormality203

E9 Electronic Expansion Valve Coil Abnormality207

F3 Discharge Pipe Temperature Abnormality217

F3 Discharge Pipe Temperature Control225

F6 Abnormal Heat Exchanging Temperature227

F6 Refrigerant Overcharged229

H3 High Pressure Switch Abnormality231

H3 High Pressure Switch System Abnormality236

H4 Low Pressure Sensor System Abnormality238

LC Transmission Error (between Control PCB and Inverter PCB)330

P1 Inverter Over-Ripple Protection333

P1 Open Phase or Power Supply Voltage Imbalance336

P4 Radiation Fin Thermistor Abnormality338

P4 Radiation Fin Thermistor or Related Abnormality342

PJ Defective Capacity Setting343

PJ Error in Capacity Setting345

PJ Field Setting Error after Replacing Main PCB or Defective Combination of PCB346

PJ Defective Combination of Inverter and Fan Driver348

PJ Defective Capacity Setting350

U0 Refrigerant Shortage354

U0 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure356

U0 Refrigerant Shortage359

U1 Reverse Phase365

U2 Insufficient Voltage368

U2 Power Supply Voltage Abnormality370

U2 Power Supply Insufficient or Instantaneous Failure372

U2 Power Supply Voltage Abnormality377

U3 Check Operation Is Not Executed380

U4 or UF Transmission Error (between Indoor Unit and Outdoor Unit)382

U4 Transmission Error between Indoor Unit and Outdoor Unit388

U5 Transmission Error between Indoor Unit and Remote Controller411

U7 Transmission Error between Outdoor Units419

U8 Transmission Error between Main Remote Controller and Sub Remote Controller422

U9 Transmission Error between Indoor and Outdoor Units in the same System428

UA Defective Field Setting Switch431

Daikin FH125BVE - 3.83 U0 Refrigerant Shortage; 3.92 U4 or UF Transmission Error (Between Indoor Unit and Outdoor Unit); 3.97 U9 Transmission Error Between Indoor and Outdoor Units in the Same System; 3.100 UA Field Setting Switch and Transmission Line Abnormality

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