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Daikin Manuals
Inverter
FTX Series
Service manual
Daikin FTX Series Service Manual
Inverter split wall mounted type
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Safety Cautions
Warnings and Cautions Regarding Safety of Workers
Warnings and Cautions Regarding Safety of Users
Icons Used
Revision History
Part 1 General Information
Applicable Models
Part 2 Specifications
Specification Data
Functions
Part 3 Functions and Control
Main Functions
Temperature Control
Frequency Control
Airflow Direction Control
Fan Speed Control for Indoor Unit
Dry Mode
Automatic Operation
Thermostat Control
ECO+ Operation
Sleep Mode
POWERFUL Operation
Other Functions
Thermistor Functions
Control Specification
Mode Hierarchy
Frequency Control
Standby Electricity Saving (Suspend Function)
Controls at Mode Changing/Start-Up
Discharge Pipe Temperature Control
Input Current Control
Freeze-Up Protection Control
Heating Peak-Cut Control
Outdoor Fan Control
Liquid Compression Protection Function
Defrost Control
Electronic Expansion Valve Control
Electronic Expansion Valve Control
Malfunctions
Part 4 Remote Controller
Applicable Remote Controller
Brc52B63/64
Part 5 Service Diagnosis
General Problem Symptoms and Check Items
Troubleshooting with LED
Indoor Unit
Outdoor Unit
Error Diagnosis
To Enter Error Diagnosis
Troubleshooting
Error Codes and Description
Indoor Unit PCB Abnormality
Freeze-Up Protection Control
Indoor Fan Motor (DC Motor) or Related Abnormality
Thermistor or Related Abnormality (Indoor Unit)
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
Discharge Pipe Temperature Control
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
Power Supply Waveform Check
Electronic Expansion Valve Check
Four Way Valve Performance Check
Inverter Unit Refrigerant System Check
Rotation Pulse Check on the Outdoor Unit PCB
Installation Condition Check
Discharge Pressure Check
Outdoor Fan System Check
Main Circuit Short Check
Power Module Check
Part 6 Trial Operation and Field Settings
Pump down Operation
Forced Cooling Operation
Silicone Grease on Power Transistor/Diode Bridge
Part 7 Appendix
Piping Diagrams
Indoor Unit
Outdoor Unit
Wiring Diagrams
Indoor Unit
Outdoor Unit
Printed Circuit Board Connector Wiring Diagram
Printed Circuit Board Connector Wiring Diagram
Operation Limit
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Quick Links
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Specification Data
2
Part 5 Service Diagnosis
3
Indoor Unit
Download this manual
Service
Manual
Inverter Split
Wall Mounted Type FTK(X) Series
DAMA-SM-21-001
[Applied Models]
Inverter Split : Cooling Unit
Heat Pump Unit
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Troubleshooting
Troubleshooting with LED
60
Troubleshooting
62
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