Daikin RR71MV1 User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin RR71MV1 Specifications

General

Power Supply	220-240V, 50Hz
Refrigerant	R32
Inverter	Yes
Energy Efficiency Rating (Cooling)	A++
Energy Efficiency Rating (Heating)	A+
Category	Air Conditioner

Summary

Symptom-based Troubleshooting

2.2 Equipment Does Not Operate

Details troubleshooting steps for when the equipment fails to operate.

2.3 Fan Operates, Compressor Does Not

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

2.4 Operation Starts but Stops Immediately

Troubleshooting for operations that start and then stop immediately.

2.6 No Cooling / 2.7 No Heating

Steps for when the unit operates but fails to provide cooling or heating.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Detailed steps for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Reference for error codes and descriptions for indoor and outdoor units.

3.3 Detailed Error Codes

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

3.4 A0 Error of External Protection Device

Troubleshooting the A0 error related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

3.7 A6 Indoor Unit Fan Motor Abnormality

3.11 A9 Electronic Expansion Valve Coil Abnormality

3.15 C1 Transmission Error

3.21 E0 Actuation of Safety Device

3.23 E1 Outdoor Unit PCB Abnormality

3.28 E4 Low Pressure System Abnormality

3.33 E6 Compressor Overcurrent

3.35 E9 Electronic Expansion Valve Abnormality

3.41 H3 High Pressure Switch Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.83 U0 Refrigerant Shortage

3.86 U1 Reverse Phase

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

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

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

3.98 UA Defective Field Setting Switch