Daikin RXC60A User Manual

SERVICE MANUAL
Inverter Wall Mounted Single Split
dd
SM-5WM-Y-EU-A3
MODELS
FTXN25/35/50/60L RXN25/35/50/60L
FTXN25/35/50/60M RXN25/35/50/60M
FTXK25/35/50/60A RXK25/35/50/60A
FTXN25/35/50/60N RXN25/35/50/60N
FTXC25/35/50/60A RXC25/35/50/60A
FTXB50/60A RXB50/60A
FTXB50/60B RXB50/60B
FTXB50/60C RXB50/60C
ATXN25/35/50/60L ARXN25/35/50/60L
ATXN25/35/50/60M ARXN25/35/50/60M
ATXN25/35/50/60N ARXN25/35/50/60N
ATXB50/60C ARXB50/60C

Daikin RXC60A Specifications

General

Brand	Daikin
Model	RXC60A
Category	Air Conditioner
Language	English

Summary

Safety Cautions

Caution and Warnings

General safety advice and classification of warnings.

Caution in Repair

Specific safety precautions for repair work.

Inspection after Repair

Warning

Checks to ensure safe operation after repair.

1.0 Inverter Single Split

1.1 Product line-up

Lists the available models and their classifications.

1.2 Printed Circuit board (PCB) connector wiring diagram

1.2.1 Indoor PCB Wiring Diagrams

Wiring diagrams for specific indoor PCB models.

1.2.2 Indoor PCB Wiring Diagrams

Wiring diagrams for specific indoor PCB models.

1.2.3 Indoor PCB Wiring Diagrams

Wiring diagrams for specific indoor PCB models.

1.2.4 Outdoor PCB Main PCB

1.2.5 Outdoor PCB Filter PCB

1.2.5.2 Main PCB

1.2.6 Outdoor PCB Filter PCB

1.2.6.2 Main PCB

1.2.7 Outdoor PCB Main PCB

2.0 Function & Control

2.2 Cooling and Heating Mode Operation

2.2.2 Heating Mode

2.10 Thermistors in RXN, RXB, RXC, ARXN, ARXB

2.16 Rotation Regulating Functions

2.17 Defrost Cycle

2.18 Indoor Coil Freeze Prevention

2.19 High Pressure Protection

2.20 Discharge Pipe Temperature Control

2.22 Overall Current Control

3.0 Service Diagnosis

3.1 Error Indication from Indoor

How indoor unit LEDs indicate errors.

3.1.1 Indoor model LED Indications

3.1.2 Indoor model LED Indications

3.1.3 Indoor model LED Indications

3.2 Error Code retrieval by remote controller

Procedure to retrieve error codes using remote controllers.

3.2.1 Remote controller models BRC52A61 & BRC52B63

3.2.2 Wired controller BRC51A61

3.3 Error Indication from Outdoor

How outdoor unit 7-segment display indicates errors.

3.3.1 ARXN/RXN50/60L, RXB50/60A - 7 Segment Display

3.4 Error code description for Inverter

Table detailing error codes and their descriptions for various models.

A1 INDOOR PCB ABNORMALITY

A5 ANTIFREEZE PROTECTION OR HIGH PRESSURE CONTROL

A6 INDOOR FAN MOTOR ABNORMALITY

C4 INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY

C9 INDOOR ROOM THERMISTOR ABNORMALITY

E1 OUTDOOR PCB ABNORMALITY

E5 (All models except ARXN/RXN50/60L, RXB50/60A) COMPRESSOR OVERLOAD

Troubleshooting for compressor overload.

E5 (ARXN/RXN50/60L, RXB50/60A) COMPRESSOR OVERLOAD

Troubleshooting for compressor overload on specific models.

E6 COMPRESSOR LOCK/START-UP ABNORMALITY

Troubleshooting for compressor lock/start-up issues.

E7 OUTDOOR FAN MOTOR LOCK

Troubleshooting for outdoor fan motor lock.

E8 AC INPUT OVER CURRENT

Troubleshooting for AC input over current.

EA 4 WAY VALVE ABNORMALITY

Troubleshooting for 4-way valve abnormalities.

F3 DISCHARGE PIPE OVERHEAT

Troubleshooting for discharge pipe overheat.

F6 HEAT EXCHANGER OVERHEAT

Troubleshooting for heat exchanger overheat.

H0 (ARXN/RXN/RXB50/60A) COMPRESSOR SENSOR SYSTEM ABNORMAL

Troubleshooting for compressor sensor system abnormal.

H0 (ARXN/RXN25/35M/N, RXK25/35A) COMPRESSOR SENSOR SYSTEM ABNORMAL

Troubleshooting for compressor sensor system abnormal.

H6 (ARXN/RXN50/60L, RXB50/60A) POSITION SENSOR ABNORMAL (COMPRESSOR)

Troubleshooting for position sensor abnormal.

H6 (RXN25/35M/N, RXK25/35A) POSITION SENSOR ABNORMAL (COMPRESSOR)

Troubleshooting for position sensor abnormal.

H6 (ARXN/RXN50/60M/N, RXK50/60A) POSITION SENSOR ABNORMAL (COMPRESSOR)

Troubleshooting for position sensor abnormal.

H8 AC CURRENT SENSOR ABNORMALITY

Troubleshooting for AC current sensor abnormality.

H9, J3, J6, P4 Thermistor or related abnormality

Troubleshooting for various thermistor related abnormalities.

L3 ELECTRICAL BOX TEMPERATURE RISE (COMPRESSOR OFF)

Troubleshooting for electrical box temperature rise.

L4 Heat sink overheat

Troubleshooting for heat sink overheat.

L5 IPM ABNORMALITY

Troubleshooting for IPM abnormality.

U0 INSUFFICIENT GAS

Troubleshooting for insufficient gas condition.

U2 DC VOLTAGE OUT OF RANGE

Troubleshooting for DC voltage out of range.

U4 COMMUNICATION ABNORMALITY

Troubleshooting for communication abnormality.

UA INSTALLATION ABNORMALITY

Troubleshooting for installation abnormality.