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Samsung AJ050MCJ2EH/EU - User Manual

Samsung AJ050MCJ2EH/EU
157 pages
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AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet
INDOOR UNIT
AR09/12JSPFBWKN
AR07/09/12KSPDBWKN
AR18/24MSPDBWKN
AR07MSWSAURN
AR09/12MSWSAURN
AR09/12KSWSBWKN
AR18/24MSWSAWKN
AR07MSWNAWKN
AR09/12KSWNAWKN
AR18/24MSWNAWKN
AR07MSFPEWQN
AR09/12MSFPEWQN
AR18/24MSWNAWKN
OUTDOOR UNIT
AJ040MCJ2EH/EU
AJ050MCJ2EH/EU
AJ052MCJ3EH/EU
AJ068MCJ3EH/EU
AJ070MCJ4EH/EU
AJ080MCJ4EH/EU
1. Precautions
AR07MSFHBWKN
AR09/12MSFHBWKN
AR18/24MSFHBWKN
AR07/09/12MSPXASIN
AR07/09/12MSPXBWKNK
AR07/09/12MSWXBWNK
MH026/035FSEA
AJN016/020/026/035/052NDEHA
NJ026/035LHXEA
MH052FUEA
MH026/035FJEA

Questions and Answers

  • J
    John CannonAug 9, 2025
    How to fix temperature sensor error in Samsung AJ050MCJ2EH/EU?
    • J
      Julie OrrAug 9, 2025
      If you are experiencing a temperature sensor error (OPEN/SHORT) in the indoor unit of your Samsung Air Conditioner, try performing a power reset.
  • K
    keithperryAug 15, 2025
    What to do if Samsung Air Conditioner shows indoor fan motor error?
    • D
      Darren RamseyAug 15, 2025
      If your Samsung Air Conditioner displays an error indicating the indoor fan motor speed is below 450RPM for 15 minutes, try performing a power reset.
  • J
    Jennifer TerryAug 21, 2025
    What to do if Samsung Air Conditioner displays a float switch error?
    • H
      hevansAug 21, 2025
      If your Samsung Air Conditioner is showing a float switch error, try performing a power reset of the unit.
  • T
    Tammy SextonAug 27, 2025
    How to resolve Samsung AJ050MCJ2EH/EU option switch error?
    • G
      Gregory MillerAug 27, 2025
      If your Samsung Air Conditioner displays an error related to setting option switches for optional accessories, try performing a power reset.
  • S
    shatfieldSep 3, 2025
    How to fix EEPROM error on Samsung AJ050MCJ2EH/EU Air Conditioner?
    • J
      Jonathan CohenSep 3, 2025
      If your Samsung Air Conditioner is showing an EEPROM error, try performing a power reset.

Summary

Precautions

Disassembly and Reassembly

AJ040 MCJ2 EH;EU, AJ050 MCJ2 EH;EU

Disassembly steps for specific outdoor unit models.

AJ052 MCJ3 EH;EU

Disassembly steps for a specific outdoor unit model.

AJ068 MCJ3 EH;EU, AJ070 MCJ4 EH;EU, AJ080 MCJ4 EH;EU

Disassembly steps for specific outdoor unit models.

AJ100 MCJ5 EH;EU

Disassembly steps for a specific outdoor unit model.

Troubleshooting

Display Error and Check Method

Explains error codes and methods for checking issues on indoor units.

Outdoor Unit

Lists error codes and checks for outdoor unit malfunctions.

Fault Diagnosis by Symptom

Troubleshooting guide based on specific symptoms and failures.

Indoor Error

Diagnosis of common indoor unit errors and failures.

Outdoor unit is not powered on - Initial diagnosis(1 phase)

Initial troubleshooting steps for outdoor units not powering on.

Outdoor unit fan error

Troubleshooting steps for outdoor unit fan errors.

Compressor startup error, Compressor lock error, Compressor rotation error

Diagnosing and resolving compressor-related operational errors.

IPM Over current error

Troubleshooting steps for IPM over current errors.

Checking Temperature sensor

Procedures for checking temperature sensors in the unit.

Wiring Diagram

Schematic Diagram

Reference Sheet

Q & A for Non-trouble

Frequently asked questions and their solutions for common issues.

Samsung AJ050MCJ2EH/EU Specifications

General IconGeneral
Cooling Capacity5.0 kW
Energy Efficiency Class (Cooling)A++
Energy Efficiency Class (Heating)A+
RefrigerantR32
Power Supply220-240V, 50Hz
TypeSplit
Weight (Indoor Unit)10 kg

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