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Daikin FTX12AXVJU - Service Manual

Daikin FTX12AXVJU
119 pages
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Servic e
Manual
DAMA-SM-21-001
Service Manual / Inverter Split Wall Mounted Type FTK(X) Series DAMA-SM-21-001
Inverter Split
Wall Mounted Type FTK(X) Series
[Applied Models]
z
Inverter Split : Cooling Unit
Heat Pump Unit

Table of Contents

Other manuals for Daikin FTX12AXVJU

Questions and Answers

Summary

Safety Cautions

Warnings and Cautions Regarding Safety of Workers

Details warnings and cautions for workers regarding safety precautions during repair.

Warnings and Cautions Regarding Safety of Users

Outlines safety warnings and cautions for users of the air conditioner.

Part 1 General Information

Part 2 Specifications

Specification Data

Provides detailed technical specifications for the air conditioning units.

Part 3 Functions and Control

1. Main Functions

Details the primary functions of the air conditioner, such as temperature and frequency control.

3. Control Specification

Outlines the control logic and specifications for various operations.

Automatic Operation

Frequency Control

Discharge Pipe Temperature Control

Input Current Control

Freeze-up Protection Control

Heating Peak-cut Control

Liquid Compression Protection Function

Defrost Control

Electronic Expansion Valve Control

High Discharge Pipe Temperature Control

Discharge Pipe Thermistor Disconnection Control

Target Discharge Pipe Temperature Control

Malfunctions

Detection of Overcurrent and Overload

Details detection of overcurrent and overload to protect the inverter.

Part 5 Service Diagnosis

1. General Problem Symptoms and Check Items

Lists common symptoms and initial check items for troubleshooting.

2. Troubleshooting with LED

Details troubleshooting based on LED indicators on the indoor and outdoor units.

4. Troubleshooting

Provides a comprehensive guide to troubleshooting various error codes and issues.

5. Actuator Check

Details checks for various actuators like thermistors, valves, and motors.

Error Codes and Description

Indoor Unit PCB Abnormality

Indoor Fan Motor (DC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (Between Indoor Unit and Outdoor Unit)

Installation error

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

DC Fan Lock

Input Overcurrent Detection

High Pressure Control in Cooling

Compressor System Sensor Abnormality

Position Sensor Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Four Way Valve Abnormality

Actuator Check

Thermistor Resistance Check

Guides on checking thermistor resistance using a multimeter.

Electronic Expansion Valve Check

Explains how to check the electronic expansion valve (EV).

Part 6 Trial Operation and Field Settings

Part 7 Appendix

Summary

Safety Cautions

Warnings and Cautions Regarding Safety of Workers

Details warnings and cautions for workers regarding safety precautions during repair.

Warnings and Cautions Regarding Safety of Users

Outlines safety warnings and cautions for users of the air conditioner.

Part 1 General Information

Part 2 Specifications

Specification Data

Provides detailed technical specifications for the air conditioning units.

Part 3 Functions and Control

1. Main Functions

Details the primary functions of the air conditioner, such as temperature and frequency control.

3. Control Specification

Outlines the control logic and specifications for various operations.

Automatic Operation

Frequency Control

Discharge Pipe Temperature Control

Input Current Control

Freeze-up Protection Control

Heating Peak-cut Control

Liquid Compression Protection Function

Defrost Control

Electronic Expansion Valve Control

High Discharge Pipe Temperature Control

Discharge Pipe Thermistor Disconnection Control

Target Discharge Pipe Temperature Control

Malfunctions

Detection of Overcurrent and Overload

Details detection of overcurrent and overload to protect the inverter.

Part 5 Service Diagnosis

1. General Problem Symptoms and Check Items

Lists common symptoms and initial check items for troubleshooting.

2. Troubleshooting with LED

Details troubleshooting based on LED indicators on the indoor and outdoor units.

4. Troubleshooting

Provides a comprehensive guide to troubleshooting various error codes and issues.

5. Actuator Check

Details checks for various actuators like thermistors, valves, and motors.

Error Codes and Description

Indoor Unit PCB Abnormality

Indoor Fan Motor (DC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (Between Indoor Unit and Outdoor Unit)

Installation error

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

DC Fan Lock

Input Overcurrent Detection

High Pressure Control in Cooling

Compressor System Sensor Abnormality

Position Sensor Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Four Way Valve Abnormality

Actuator Check

Thermistor Resistance Check

Guides on checking thermistor resistance using a multimeter.

Electronic Expansion Valve Check

Explains how to check the electronic expansion valve (EV).

Part 6 Trial Operation and Field Settings

Part 7 Appendix

Daikin FTX12AXVJU Specifications

General IconGeneral
BrandDaikin
ModelFTX12AXVJU
CategoryAir Conditioner
LanguageEnglish

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