Daikin FHC36NUV1 User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin FHC36NUV1 Specifications

General

Model	FHC36NUV1
Category	Air Conditioner
Brand	Daikin
Refrigerant	R32
Operating Voltage	220-240V
Phase	Single

Summary

Service Diagnosis

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Troubleshooting guide for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Diagnosing issues where the indoor fan runs but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting steps for operations that start and then stop abruptly.

2.6 Equipment Operates but does not Provide Cooling

Troubleshooting guide for units that operate but fail to provide cooling.

2.9 Equipment Produces Loud Noise or Vibration

Troubleshooting guide for units producing excessive noise or vibration.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Step-by-step guide for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Catalog of error codes with their descriptions and applicable models.

3.3 Detailed Error Codes

Detailed explanations and diagnostic steps for specific error codes.

3.4 A0 Error of External Protection Device

Troubleshooting steps for error code A0 related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

Troubleshooting steps for error code A1 indicating an indoor unit PCB abnormality.

3.6 A3 Drain Water Level System Abnormality

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

3.7 A6 Indoor Unit Fan Motor Abnormality

Troubleshooting steps for error code A6 concerning indoor unit fan motor abnormalities.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

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

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

Troubleshooting for error code C1 regarding transmission issues between indoor and fan PCBs.

3.21 E0 Actuation of Safety Device

Troubleshooting steps for error code E0 related to safety device actuation.

3.23 E1 Outdoor Unit PCB Abnormality

3.24 E3 High Pressure System Abnormality

3.28 E4 Low Pressure System Abnormality

3.33 E6 Compressor Overcurrent

3.35 E9 Electronic Expansion Valve Abnormality

3.40 F6 Refrigerant Overcharged

3.41 H3 High Pressure Switch Abnormality

3.43 H4 Low Pressure Sensor System Abnormality

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

3.47 J1 Pressure Sensor Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.72 LC Transmission Error Between Inverter and Control PCB

3.83 U0 Refrigerant Shortage

3.86 U1 Reverse Phase

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

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

3.98 UA Defective Field Setting Switch

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

3.106 UF System is not Set yet

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