Samsung AM030FNMDCH/AA User Manual (English)

Questions and Answers:

T
Tina TravisJul 25, 2025
Why does my Samsung AM030FNMDCH/AA show a communication error between indoor and outdoor units?
- C
  Christopher MayJul 25, 2025
  This error occurs due to several reasons: 1. There is no communication between the indoor and outdoor units for 2 minutes. 2. A communication error was received from the outdoor unit. 3. There is a 3-minute tracking error on the outdoor unit. 4. A communication error occurred after tracking due to an unmatching number of installed units. 5. An error is due to a repeated communication address. 6. The communication address is not confirmed, or another outdoor unit communication error not listed above occurred. The error codes associated with these issues are E101, E102, E202, E201, E108 and E109.
G
Gabriela EstradaAug 2, 2025
What does it mean when my Samsung Air Conditioner shows an error related to the outdoor temperature sensor?
- C
  Cody CantuAug 2, 2025
  An error related to the outdoor temperature sensor on your Samsung Air Conditioner could indicate: 1. Error on outdoor temperature sensor (Short or Open). 2. Error on cond sensor. 3. Error on discharge sensor. The error codes associated with these issues are E221, E237 and E251.
E
Erika BowmanAug 9, 2025
What does E121 error mean on a Samsung AM030FNMDCH/AA Air Conditioner?
- S
  Sharon ThomasAug 10, 2025
  Error E121 on a Samsung Air Conditioner indicates an error on the indoor temperature sensor (Short or Open).
R
riverazacharyAug 16, 2025
How to fix E108 error on Samsung AM030FNMDCH/AA?
- K
  kennethgriffinAug 16, 2025
  To fix the E108 error on your Samsung Air Conditioner, change the address and reset the system.

Samsung AM030FNMDCH/AA Specifications

General

Brand	Samsung
Model	AM030FNMDCH/AA
Category	Air Conditioner
Language	English

Summary

Precautions for Air Conditioner Service

Precautions for the Service

Guidelines for using correct parts and ensuring proper repair connections and assembly.

Precautions for Static Electricity and PL

Handling PCB terminals and installation locations to prevent damage from static electricity.

Precautions for Safety

Safety measures including avoiding wet hands, damaged power lines, and multiple outlets.

Precautions for Handling Refrigerant

Environmental and safety cautions related to refrigerant release and container handling.

Precautions for Welding the Air Conditioner Pipe

Safety guidelines for welding air conditioner pipes, including refrigerant removal and oxide prevention.

Precautions for Additional Supplement of Air Conditioner Refrigerant

Guidelines for precisely calculating and supplementing refrigerant, avoiding heating containers.

Other Precautions

Precautions regarding pipe leakage, refrigerant withdrawal, and proper pipe connection.

Product Specifications

Product Specifications - Indoor Unit

Detailed specifications for Indoor Units, including Slim 1WAY cassette models.

Accessory and Option Specifications

Lists standard and optional accessories available for the air conditioning units.

Disassembly and Reassembly Procedures

Indoor Unit Disassembly

Detailed step-by-step instructions for disassembling various types of indoor units.

Duct Type Disassembly

Disassembly procedures for Slim, MA-1, MA-2, BIG, and MSP DUCT types.

Cassette Type Disassembly

Disassembly procedures for 360 Cassette and Wind-free 1way cassette types.

Wall Mounted Type Disassembly

Disassembly procedures for Neo Forte, A3050, MAX, and Boracay models.

Ceiling Type Disassembly

Disassembly procedures for Ceiling and Big Ceiling indoor units.

Floor Stand Type Disassembly

Disassembly procedures for Concealed and Exposed floor standing indoor units.

OAP Duct Type Disassembly

Disassembly procedures for OAP Duct indoor units, including motor and control box.

Troubleshooting Guide

Check-up Window Description

Description of check-up window functions and indicators on the PCB.

Service Operation Modes

Special operation modes for refrigerant charging, trial operation, pump down, and vacuum.

Troubleshooting Common Errors

Detailed steps for diagnosing and resolving common indoor unit errors like sensor and communication failures.

Troubleshooting Outdoor Unit Errors

Guidance for diagnosing and resolving outdoor unit issues like power, fan, and sensor errors.

MCU Branch Part Setup Errors

Troubleshooting for MCU branch part setup issues like incorrect connection and address errors.

PCB Diagrams and Parts Identification

Indoor Unit PCB Diagrams

PCB diagrams and parts list for various indoor unit types like Slim Cassette, Duct, Ceiling, etc.

Display PCB Diagrams

PCB diagrams for Display units, specifically for 360 Cassette models.

Wiring Diagrams

Indoor Unit Wiring Diagrams

Wiring diagrams for various indoor unit types including Cassette, Duct, Ceiling, and Wall Mounted.

Outdoor Unit Wiring Diagrams

Wiring diagrams for Outdoor Units, specifically Global Duct and Wind-free cassette types.

Reference Sheet

Indoor Unit Model Name Index

Index for Indoor Unit model codes, detailing classification, capacity, version, and features.

Panel Model Index

Index for Panel models, including product design classification, color, type, and language.

Pump-down Method

Precautions and procedures for pump-down operations for single and multiple outdoor units.

How to Put Refrigerant in Refrigerant Container

Instructions on safely putting refrigerant into a container before pump-down.

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