Samsung AM260KXVAGH/EU User Manual

AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM080/100/120/140/160/180/200/220/240/2606XV666
AM080/100/120/140/160/180/200/220JXVA66
AM140/160/180/200/220/240/260/280/300KXV666
AM080/100/120/140/160/180/200/220/240/260/280/300MXVA6C
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Cycle Diagram
8. Key Options
9. Test Operation

Samsung AM260KXVAGH/EU Specifications

General

Brand	Samsung
Model	AM260KXVAGH/EU
Category	Air Conditioner
Language	English

Summary

1. Precautions

1-1 Precautions for the Service

1-3 Precautions for the Safety

General safety precautions related to electrical hazards, grounding, and handling of power components.

1-4 Precautions for Handling Refrigerant for Air Conditioner

2. Product Specifications

2-2-1 Outdoor Unit

Provides detailed specifications for various outdoor unit models including capacity, power, and dimensions.

3. Disassembly and Reassembly

3-2 Disassembly and Reassembly

Step-by-step procedures for disassembling and reassembling various outdoor unit models.

3-3 Caution at compressor exchange

Provides a detailed step-by-step guide and cautions for replacing a compressor.

4. Troubleshooting

4-2. Service Operation

Details on special operations like refrigerant charging, trial operation, and pump down procedures.

4-3 Appropriate Measures for Different Symptom

Guides for troubleshooting various symptoms through test operations and checks.

4-3-2 DVM S Models EEPROM Code Table

4-3-3 Communication Error between Indoor and Outdoor Units during Tracking

Troubleshooting steps for communication errors that occur during system tracking.

4-3-4 Communication Error between Indoor and Outdoor Units after Tracking

Diagnostic procedures for communication errors identified after system tracking.

4-3-5 Communication error between main and sub Unit of outdoor unit or between outdoor units

Steps to resolve communication errors between outdoor unit components or multiple outdoor units.

4-3-6 Internal Communication error of the Outdoor Unit C-Box

Troubleshooting for internal communication failures within the outdoor unit's C-Box.

4-3-7 Internal PCB Communication error of the Outdoor Unit C-Box (cont.)

Further steps to diagnose internal PCB communication errors in the outdoor unit's C-Box.

4-3-8 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts

4-3-9 MCU branch part setup error – Repeated setup for the same address over 3 times

4-3-10 MCU branch part setup error – non-installed address setup

4-3-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used

4-3-12 MCU branch part setup error – Overlapping Indoor unit Address setup

4-3-13 MCU branch part setup error – Set as being used without connection to an Indoor unit

4-3-14 MCU branch part setup error – Connect an Indoor unit to a branch part not being used

4-3-15 MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU

4-3-16 MCU/MCU subcooler entrance/exit sensor error (Open/Short)

Steps to diagnose and resolve open/short errors for MCU/subcooler entrance/exit sensors.

4-3-17 Outdoor Temperature Sensor Error

Procedure for diagnosing and resolving errors related to the outdoor temperature sensor.

4-3-18 Cond Out Temperature Sensor Error (Open/Short)

Troubleshooting for open/short errors detected in the Cond Out temperature sensor.

4-3-19 Outdoor Cond Out sensor breakaway error

Steps to diagnose and resolve breakaway errors for the outdoor Cond Out sensor.

4-3-20 Compressor Discharge or Top 1/2 Temperature sensor error

Diagnosing errors related to compressor discharge or top temperature sensors.

4-3-21 Compressor Discharge or Top temperature sensor breakaway error

Resolving breakaway errors for compressor discharge or top temperature sensors.

4-3-22 Suction Temperature sensor error (Open/Short)

Troubleshooting steps for open/short errors detected in the suction temperature sensor.

4-3-23 High Pressure sensor error (Open/Short)

Diagnosing and resolving open/short errors for the high pressure sensor.

4-3-24 Low Pressure sensor error (Open/Short)

Troubleshooting procedures for open/short errors related to the low pressure sensor.

4-3-25 Suction-2 Temperature Sensor Error (OPEN/SHORT)

Steps to diagnose and resolve open/short errors for the suction-2 temperature sensor.

4-3-26 Liquid Pipe Temperature sensor error (Open/Short)

Diagnosing and resolving open/short errors for the liquid pipe temperature sensor.

4-3-27 EVI In Temperature sensor error (Open/Short)

Troubleshooting procedures for open/short errors related to the EVI In temperature sensor.

4-3-28 EVI Out Temperature sensor error (Open/Short)

Steps to diagnose and resolve open/short errors for the EVI Out temperature sensor.

4-3-29 Suction-2 Temperature Sensor Error (OPEN/SHORT)

Diagnosing and resolving open/short errors for the suction-2 temperature sensor.

4-3-30 Measures of other outdoor unit error

4-3-31 Comp. Down due to High Pressure Protection Control

Troubleshooting steps for compressor shutdown due to high pressure protection.

4-3-32 Comp. Down due to Low Pressure Protection Control

Resolving compressor shutdown issues caused by low pressure protection control.

4-3-33 Suspension of starting due to Compressor discharge temperature sensor / Top temperature sensor

Diagnosing suspension of starting issues related to compressor discharge/top temperature sensors.

4-3-34 3-phase Input Wiring error

Troubleshooting steps for errors related to 3-phase input wiring.

4-3-35 Suspension of starting by abnormal compression ratio

Diagnosing suspension of starting issues caused by abnormal compression ratios.

4-3-36 EVI EEV Open error

Troubleshooting procedures for EVI EEV open errors.

4-3-37 Refrigerant leakage error

Steps to diagnose and resolve refrigerant leakage errors.

4-3-38 Prevention of heating / cooling operation due to outdoor temperature

4-3-39 Prevention of heating refrigerant charge due to outdoor temperature

4-3-40 CH wire breaking error

Troubleshooting steps for CH wire breaking errors.

4-3-41 Fan starting error

Diagnosing and resolving errors related to fan starting.

4-3-42 Fan lock error

Steps to troubleshoot fan lock errors.

4-3-43 Momentary Blackout error

4-3-44 Outdoor Fan Motor overheating

Diagnosing and resolving outdoor fan motor overheating issues.

4-3-45 Fan IPM Overheat error

4-3-46 Compressor starting error

4-3-47 COMP Overcurrent error

4-3-48 Overvoltage / Low voltage error

4-3-49 DC Link voltage sensor error

4-3-50 Fan Motor Overcurrent error

4-3-51 Input / Output Current sensor error

4-3-52 Outdoor Fan PCB Overvoltage / Low voltage error

4-3-53 Hall IC(Fan) error

4-3-54 Inverter Overheat error

4-3-55 Option setting error of outdoor unit

4-3-56 Error due to using single type outdoor unit in a module installation

4-3-57 Indoor unit and MCU address duplication error

9. Test Operation

9-1 Auto Trial Operation

9-1-1 Auto Trial Operation Synopsis

9-1-2 Auto Trial Operation functions

9-1-3 How to troubleshoot of the "Undetermined"

9-2 Amount of refrigerant automatically checking