Daikin FH125BVE - User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Summary

2. Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details troubleshooting steps for when the equipment fails to operate.

2.4 Cooling; Heating Operation Starts but Stops Immediately

Guides troubleshooting for operations that start and stop abruptly.

2.5 After Unit Shuts Down, It cannot be Restarted for a While

Provides solutions for issues preventing immediate unit restart after shutdown.

3. Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Explains how to perform self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes various error codes displayed by the remote controller.

3.3 Detailed Error Codes

Offers detailed explanations and troubleshooting for specific error codes.

3.4 A0 Error of External Protection Device

Details troubleshooting for error code A0 related to external protection devices.

3.7 A6 Indoor Unit Fan Motor Abnormality

3.11 A9 Electronic Expansion Valve Coil (Y1 E) Abnormality

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

3.21 E0 Actuation of Safety Device

3.24 E3 High Pressure System Abnormality

3.28 E4 Low Pressure System Abnormality

3.33 E6 Compressor Overcurrent

3.41 H3 High Pressure Switch Abnormality

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

3.56 L1 Outdoor Unit PCB Abnormality

3.72 LC Transmission Error Between Inverter and Control PCB

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

Daikin FH125BVE Specifications

General

Brand	Daikin
Model	FH125BVE
Category	Air Conditioner
Language	English