Daikin FHQ60BUV1B x 2 User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin FHQ60BUV1B x 2 Specifications

General

Brand	Daikin
Model	FHQ60BUV1B x 2
Category	Air Conditioner
Language	English

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Troubleshooting steps for when the equipment fails to start or operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Diagnosing issues when the indoor fan runs but the compressor is inactive.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting systems that start briefly and then stop.

Troubleshooting by Remote Controller

3.2 Error Codes and Description

A comprehensive list of error codes, their meanings, and applicable models.

3.3 Detailed Error Codes

In-depth explanations and diagnostic steps for specific error codes.

3.5 A1 Indoor Unit PCB Abnormality

Diagnosing issues with the indoor unit's Printed Circuit Board.

3.6 A3 Drain Water Level System Abnormality

Troubleshooting problems related to the drain water level system.

3.7 A6 Indoor Unit Fan Motor Abnormality

3.10 A8 Abnormal Power Supply Voltage

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

3.12 AF Drain System Abnormality

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

3.21 E0 Actuation of Safety Device

3.23 E1 Outdoor Unit PCB Abnormality

3.33 E6 Compressor Overcurrent

3.43 H4 Low Pressure Sensor System Abnormality

3.72 LC Transmission Error Between Inverter and Control PCB

3.83 U0 Refrigerant Shortage

3.91 U3 Check Operation is not Executed

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