Samsung AM012FNNDCH/AA User Manual

SYSTEM AIRCONDITIONER CONTENTS
SYSTEM AIRCONDITIONER
INDOOR UNIT
AM007/009/012FN1DCH/AA
AM009/012/018/020FNNDCH/AA
AM009/012/018/024/030/036/048FN4DCH/AA
AM007/009/012FNLDCH/AA
AM018/024FNLDCH/AA
AM030/036/048FNLDCH/AA
AM018/024FNMDCH/AA
AM030/036FNMDCH/AA
AM048FNMDCH/AA
AM007/009/012/018/020/024FNTDCH/AA
AM007/009/012/018/020/024HNQDCH/AA
AM036/048FNHDCH/AA
AM076/096FNHDCH/AA
AM018/024FNCDCH/AA
AM048/096HNPDCH/AZ
AM007/009/012/015/018JNMDCH/AA
AM024/027/030/036/048JNHDCH/AA
AM036/048JNCDCH/AA
AM006/009/012/018/024JNFDCH/AA
AM006/009/012/018/024JNGDCH/AA
AM072/096JNESCH/AA
AM054KNMDCH/AZ
AM007/009/012/018/020/024KNQDCH/AZ
AM007/009/012/018/020/024KNTDCH/AZ
AM005/007/009/012/015/018/024/028MNVDCH/AA
AM007/009/012NN1DCH/AA
AM009/012/018/024/030/036/048KN4DCH/AA
AM007MNMDCH/AA
AM009MNMDCH/AA
AM012MNMDCH/AA
AM015MNMDCH/AA
AM018MNMDCH/AA
AM024MNMDCH/AA
AM027MNMDCH/AA
AM030MNMDCH/AA
AM036MNMDCH/AA
AM048MNMDCH/AA
AM032MNQDCH/AA
AM007NN1DCH/AZ
AM009NN1DCH/AZ
AM012NN1DCH/AZ
AM018NN1DCH/AZ
AM024NN1DCH/AZ
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet

Samsung AM012FNNDCH/AA Specifications

General

Brand	Samsung
Model	AM012FNNDCH/AA
Category	Air Conditioner
Language	English

Summary

Precautions for Safe Operation and Handling

Precautions for the Service

Guidelines for performing service tasks correctly, including part selection, harness repair, and assembly.

Precautions for Static Electricity and PL

Handling procedures for PCB power terminals and general safety regarding static electricity.

Precautions for Safety

Essential safety measures to prevent electric shock and fire hazards during operation and repair.

Precautions for Handling Refrigerant for Air Conditioner

Safety and environmental guidelines for handling refrigerant releases and containers.

Product Specifications for Indoor Units

Disassembly and Reassembly Procedures

Necessary Tools for Disassembly

List of essential tools required for disassembly and reassembly tasks.

Indoor Unit Disassembly: Slim 1 Way Cassette

Step-by-step instructions for disassembling the Slim 1 Way cassette indoor unit.

Indoor Unit Disassembly: Wind-free 1way Cassette

Step-by-step instructions for disassembling the Wind-free 1way cassette indoor unit.

BIG DUCT Unit Disassembly

Disassembly procedures for BIG DUCT unit components like motor and blower assembly.

Global 4way Cassette Unit Disassembly

Duct type (Slim1,2) Unit Disassembly

Duct type (Slim3) Unit Disassembly

Duct type (MSP1) Unit Disassembly

Wall Mounted type (Neo forte) Disassembly

Wall Mounted type (A3050) Disassembly

360 Cassette Type Disassembly

Global Mini 4way Unit Disassembly

PAC Unit Disassembly (AM145FNPDBH1)

Troubleshooting Guide and Error Codes

Check-up Window Description

Special Service Operations

Special operations for service, including refrigerant charging, trial, pump down, and vacuum.

Heating Pump Out Operation

Procedure for venting refrigerant to the indoor part for outdoor unit repair.

Cooling Pump Down Operation

Procedure for recovering refrigerant from the indoor unit and piping to the outdoor side.

Discharge Mode Operation

Procedure for safely discharging high DC voltage from the Inverter and Fan PCBs.

Setting Option Setup Method

Method for setting indoor unit address and installation options using the remote controller.

Error Detection and Restart for Cassette Types

Procedure for detecting and restarting after errors in Global 4way cassette type indoor units.

LED Lamp Display with Error Detection (Duct Type)

Troubleshooting guide for duct type indoor units based on LED lamp error codes.

Error Detection and Restart for Ceiling Type

Procedure for detecting and restarting after errors in Ceiling type indoor units.

Indoor Unit LED Lamp Display at Error Detecting (Big Ceiling)

Error codes and LED indicators for Big Ceiling type indoor units.

Indoor Unit LED Lamp Display at Error Detecting (Wall-mounted type)

Error codes and LED indicators for Wall-mounted type indoor units.

Indoor Unit LED Lamp Display at Error Detecting (360 Cassette Type)

Error codes and LED indicators for 360 Cassette Type indoor units.

Number Display Method for Error Codes

Explanation of integrated error codes displayed on outdoor units, MCUs, and remotes.

Diagnosis and Adjustment (Error Codes)

List of error codes related to indoor unit communication, settings, and hardware.

Troubleshooting Steps for Common Symptoms

Flowcharts and measures for common symptoms like outdoor unit operation issues and PCB failures.

Troubleshooting: Main PCB No Power Phenomenon

Diagnostic steps for the main PCB showing no power or non-blinking 7-seg display.

Troubleshooting: Indoor Unit ROOM Sensor Error

Diagnostic steps for indoor room temperature sensor errors (Open/Short).

Troubleshooting: Indoor Unit EVAP IN Sensor Error

Diagnostic steps for indoor EVAP IN sensor errors (Open/Short).

Troubleshooting: Indoor Unit EVAP OUT Sensor Error

Diagnostic steps for indoor EVAP OUT sensor errors (Open/Short).

Troubleshooting: Indoor Heat Exchanger Sensor Errors

Diagnostic steps for Indoor Heat Exchanger EVAP IN and OUT sensor dislocation errors.

Troubleshooting: EEV Malfunctions

Diagnostic steps for Electronic Expansion Valve (EEV) opening and closing malfunctions.

Troubleshooting: Drain Pump Floating Switch Error

Diagnostic steps for errors related to the indoor unit's drain pump floating switch.

Troubleshooting: Indoor Unit Fan Motor Errors

Diagnostic steps for indoor unit fan motor operational errors and RPM errors.

Troubleshooting: IPM Overheat Error

Diagnostic steps for fan IPM overheat errors, checking heat sink and assembly.

Troubleshooting: Outdoor Fan Motor Errors

Diagnostic steps for outdoor fan motor over-voltage, counter-rotation, and RPM errors.

Troubleshooting: Compressor Errors

Diagnostic steps for compressor excess current, starting errors, and overcurrent.

Troubleshooting: Voltage and Current Errors

Diagnostic steps for inverter overcurrent, over/low voltage, and DC Link voltage sensor errors.

Troubleshooting: MCU Branch Part Setup Errors

Troubleshooting steps for MCU branch part setup errors like inconsecutive connections and repeated addresses.

PCB Diagrams and Parts Lists

Slim 1 Way Cassette Type PCB Diagrams

4way Cassette / Mini 4way Cassette Type PCB Diagrams

Duct Type (Slim Duct 1,2) PCB Diagrams

Duct Type (Slim Duct 3, MA-1) PCB Diagrams

Duct Type (HSP Small, BIG Duct, MA-2) PCB Diagrams

Ceiling Type PCB Diagrams

Big Ceiling Type PCB Diagrams

Wall-Mounted type (Neo Forte) PCB Diagrams

Wall Mounted type (A3050, MAX) PCB Diagrams

Wall-Mounted type (Boracay) PCB Diagrams

Floor Stand Type PCB Diagrams

OAP DUCT PCB Diagrams

Global Duct -1,2 PCB Diagrams

Global Duct -3 PCB Diagrams

Wind-free 1way cassette type PCB Diagrams

360 Cassette Type PCB Diagrams

Indoor Unit Power PCB Diagrams

Display PCB Diagrams

Wiring Diagrams for Indoor Units

Wiring Diagram: Global 4way (Mini Cassette)

Wiring Diagram: Slim 1way Cassette

Wiring Diagram: BIG Duct

Wiring Diagram: Ceiling

Wiring Diagram: Big Ceiling

Wiring Diagram: RAC (Neo Forte)

Wiring Diagram: Wall Mounted type (A3050, MAX)

Wiring Diagram: DUCT type (Slim Duct 3, MA-1)

Wiring Diagram: DUCT type (Slim Duct 1,2, MSP)

Wiring Diagram: DUCT type (HSP Small , MA-2)

Wiring Diagram: Floor Stand Type

Wiring Diagram: OAP Duct type

Wiring Diagram: Wall-Mounted type (Boracay)

Wiring Diagram: Global Duct (AM007/009/012/015/018/024/027/030MNMDCH/AA)

Wiring Diagram: Global Duct (AM036/048MNMDCH/AA)

Wiring Diagram: Wind-free 1way cassette type

Wiring Diagram: 360 Cassette

Reference Sheet

Pump-down Method Precautions and Procedures

Precautions and detailed 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.