Daikin FHC35KVE User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin FHC35KVE Specifications

General

Model	FHC35KVE
Cooling Capacity	3.5 kW
Heating Capacity	4.0 kW
Refrigerant	R32
Power Supply	220-240V, 50Hz

Summary

2. Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details troubleshooting steps for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Troubleshooting for scenarios where the indoor fan runs but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting guide for intermittent cooling or heating operation.

2.6 Equipment Operates but does not Provide Cooling

Troubleshooting steps for units that operate but do not provide cooling.

2.7 Equipment Operates but does not Provide Heating

Troubleshooting steps for units that operate but do not provide heating.

3. Troubleshooting by Remote Controller

3.2 Error Codes and Description

Lists and describes various error codes for the system.

3.3 Detailed Error Codes

Provides in-depth explanations and diagnostic steps for specific error codes.

3.4 A0 Error of External Protection Device

Troubleshooting for A0 error related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

Troubleshooting for A1 error indicating an indoor unit PCB abnormality.

3.6 A3 Drain Water Level System Abnormality

Troubleshooting for A3 error related to drain water level system abnormalities.

3.7 A6 Indoor Unit Fan Motor Abnormality

Troubleshooting for A6 error concerning indoor unit fan motor abnormalities.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Troubleshooting for A9 error related to electronic expansion valve coil abnormalities.

3.14 AJ Capacity Setting Abnormality

Troubleshooting for AJ error related to capacity setting abnormalities.

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

Troubleshooting for C1 error concerning transmission between indoor PCB and fan PCB.

3.17 C4, C5, C9 Thermistor Abnormality

Troubleshooting for C4, C5, C9 errors related to thermistor abnormalities.

3.19 CC Humidity Sensor System Abnormality

Troubleshooting for CC error related to humidity sensor system abnormalities.

3.21 E0 Actuation of Safety Device

Troubleshooting for E0 error related to safety device actuation.

3.23 E1 Outdoor Unit PCB Abnormality

Troubleshooting for E1 error indicating an outdoor unit PCB abnormality.

3.24 E3 High Pressure System Abnormality

Troubleshooting for E3 error related to high pressure system abnormalities.

3.28 E4 Low Pressure System Abnormality

Troubleshooting for E4 error related to low pressure system abnormalities.

3.32 E5 Compressor Motor Lock

Troubleshooting for E5 error related to compressor motor lock.

3.33 E6 Compressor Overcurrent

3.34 E7 Outdoor Unit Fan Motor Abnormality

3.35 E9 Electronic Expansion Valve Abnormality

3.37 F3 Discharge Pipe Temperature Abnormality

3.40 F6 Refrigerant Overcharged

3.41 H3 High Pressure Switch Abnormality

3.43 H4 Low Pressure Sensor System Abnormality

3.44 H7 Outdoor Unit Fan Motor Signal Abnormality

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

3.47 J1 Pressure Sensor Abnormality

3.48 J2 Current Sensor System Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.59 L4 Overcurrent of DC Output (Instantaneous)

3.62 L5 Momentary Overcurrent of Inverter Compressor

3.66 (L8) Electronic Thermal Switch (Time Lag)

3.70 L9 Stall Prevention (Time Lag)

3.71 L9 Inverter Startup Error

3.72 LC Transmission Error Between Inverter and Control PCB

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

3.74 P1 Inverter Over-Ripple Protection

3.75 P1 Open Phase or Power Supply Voltage Imbalance

3.76 P4 Radiation Fin Thermistor Abnormality

3.78 PJ Defective Capacity Setting

3.83 U0 Refrigerant Shortage

3.86 U1 Reverse Phase

3.87 U2 Insufficient Voltage

3.88 U2 Power Supply Voltage Abnormality

3.91 U3 Check Operation is not Executed

3.92 U4 or UF Transmission Error (Between Indoor Unit and Outdoor Unit)

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

3.95 U7 Transmission Error Between Outdoor Units

3.96 U8 Transmission Error Between Main Remote Controller and Sub Remote Controller

3.97 U9 Transmission Error Between Indoor and Outdoor Units in the Same System

3.98 UA Defective Field Setting Switch

3.99 UA Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller

3.100 UA Field Setting Switch Abnormality

3.101 UA Field Setting Switch and Transmission Line Abnormality

3.102 UC Centralized Address Setting Error

3.104 UE Transmission Error between Centralized Controller and Indoor Unit

3.105 UF Mis-connection of Field Wiring

3.107 UF Transmission Error between Indoor and Outdoor Unit / Piping and Wiring Mismatch / Refrigerant Shortage

3.108 UF Transmission System Abnormality (between Indoor and Outdoor Units)

3.109 UH System Error, Refrigerant System Address Undefined