Daikin FAY71FAVE User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin FAY71FAVE Specifications

General

Brand	Daikin
Model	FAY71FAVE
Category	Air Conditioner
Language	English

Summary

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

Addresses troubleshooting for cases where the indoor fan runs but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Guides troubleshooting for units that start and then stop operation immediately.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Details the process for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes various error codes encountered with the remote controller.

3.3 Detailed Error Codes

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

3.4 A0 Error of External Protection Device

Addresses errors related to the external protection device.

3.5 A1 Indoor Unit PCB Abnormality

3.6 A3 Drain Water Level System Abnormality

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

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

3.21 E0 Actuation of Safety Device

3.28 E4 Low Pressure System Abnormality

3.32 E5 Compressor Motor Lock

3.33 E6 Compressor Overcurrent

3.41 H3 High Pressure Switch Abnormality

3.43 H4 Low Pressure Sensor System Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.72 LC Transmission Error Between Inverter and Control PCB

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

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

3.102 UC Centralized Address Setting Error