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Samsung AM036FNQDEH/EU User Manual

Samsung AM036FNQDEH/EU
334 pages
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Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIRCONDITIONER CONTENTS
SYSTEM AIRCONDITIONER
INDOOR UNIT
AM022/028/036FN1DEH/TK
AM056/071JN1DEH/TK
AM056/071FN2DEH/TK
AM045/056/071/090/112/128/140/FN4DEH/TK
AM022/028/036/045/056/060FNNDEH/TK
AM112/128/140/220/280FNHDEH/TK
AM036/056/071FNFDEH/TK
AM050/100FNKDEH/TK
AM017/022/028/036/045/056/071/090/112/128/140FNLDEH/TK
AM022/028/036/045/056/071/090/112//128/140FNMDEH/TK
AM056/071FNCDEH/TK
AM028/036/056FNJDEH/TK
AM022/028/036/056/071FNTDEH/TK
AM022/028/036/045/056/071FNQDEH/TK
AM160KNMDEH/TK
AM022/045KNJDEH/TK
AM015/022/028/036/045/056/071/082JNVDEH/TK
AM180/228JNHPKH/TK
AM045/056/071/090/112/128/140KN4DEH/TK
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet

Table of Contents

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Samsung AM036FNQDEH/EU Specifications

General IconGeneral
Cooling Capacity3.6 kW
Heating Capacity4.0 kW
Energy Efficiency Class (Cooling)A++
Energy Efficiency Class (Heating)A+
RefrigerantR32
Power Supply220-240V, 50Hz
TypeSplit System
COP4.0

Summary

Disassembly and Reassembly

Troubleshooting

Troubleshooting Procedures

Procedures for setting indoor unit options and addresses using the remote controller.

What to check before diagnosis

Explains LED lamp displays for error detection in cassette type indoor units.

Specific Error Code Troubleshooting

Main PCB No Power Phenomenon.

Main PCB No Power Phenomenon

Troubleshooting steps for the main PCB when there is no power.

Indoor Unit ROOM Sensor Error (Open/Short)

Diagnosing and resolving indoor unit room sensor errors (Open/Short).

Indoor unit EVAP IN sensor Error (Open/Short)

Troubleshooting EVAP IN sensor errors (Open/Short).

Indoor EVAP OUT sensor Error (Open/Short)

Diagnosing EVAP OUT sensor errors (Open/Short).

Heat Exchanger EVAP IN sensor Dislocation Error (Open/Short)

Troubleshooting EVAP IN sensor dislocation errors in indoor heat exchangers.

Heat Exchanger EVA OUT sensor Dislocation Error (Open/Short)

Diagnosing EVA OUT sensor dislocation errors in indoor heat exchangers.

Simultaneous EVA IN/OUT Sensor Dislocation Error (Open/Short)

Troubleshooting simultaneous EVA IN/OUT sensor dislocation errors.

EEV Opening Malfunction (2nd stage)

Diagnosing EEV opening malfunction errors (2nd stage), including causes and checks.

Drain Pump Floating Switch Error

Troubleshooting E153 error related to the indoor unit drain pump's floating switch.

Indoor Unit Fan Motor Operational Error

Troubleshooting for errors related to the operational status of the indoor unit's fan motor.

EEPROM Error

Troubleshooting steps for EEPROM errors, including PCB replacement.

MCU SOL Valves Simultaneous Opening Error

Troubleshooting for simultaneous opening errors of Cooling/heating MCU SOL valves.

Indoor Unit Power/Communication Cable Connection Error

Steps to diagnose and resolve errors from incorrect indoor unit power or communication cable connections.

SPI Feedback Error

Troubleshooting for SPI feedback errors, including PCB and SPI replacement.

Outdoor Unit Pipe Inspection Error

Procedures for inspecting outdoor unit piping and diagnosing errors.

Indoor/Outdoor Unit Communication Error (Tracking)

Troubleshooting communication errors between indoor and outdoor units during tracking.

Indoor/Outdoor Unit Communication Error (Post-Tracking)

Diagnosing communication errors that occur after tracking indoor and outdoor units.

Main/Sub Outdoor Unit Communication Error

Troubleshooting communication errors between main and sub outdoor units.

MCU and Outdoor Unit Communication Error

Diagnosing communication errors between the MCU and outdoor unit.

Outdoor Unit C-Box Internal Communication Error

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

Outdoor Unit C-Box Internal PCB Communication Error

Diagnosing internal PCB communication errors within the outdoor unit's C-Box.

MCU/Outdoor Unit Communication Error (Post-Tracking)

Troubleshooting communication errors between MCU and outdoor units after tracking is completed.

MCU Branch Part Setup: Inconsecutive Connection

Addressing MCU branch part setup errors related to inconsecutive connection of two branch parts.

MCU Branch Part Setup: Repeated Address Setup

Troubleshooting MCU branch part setup errors due to repeated address setup.

MCU Branch Part Setup: Non-Installed Address

Diagnosing MCU branch part setup errors when an indoor unit address is not installed on the MCU.

MCU Branch Part Setup: Quantity Used Error

Troubleshooting MCU branch part setup errors related to incorrect MCU quantity configuration.

MCU Branch Part Setup: Overlapping Address

Addressing MCU branch part setup errors caused by overlapping indoor unit addresses.

MCU Branch Part Setup: Used Without Connection

Troubleshooting MCU branch part setup errors where a part is used without connecting to an indoor unit.

MCU Branch Part Setup: More Units Than Configured

Troubleshooting MCU branch part setup errors due to connecting more indoor units than configured in the MCU.

Outdoor Temperature Sensor Error

Troubleshooting steps for outdoor temperature sensor errors (Open/Short).

Outdoor Temperature Dislocation Error

Diagnosing outdoor temperature sensor dislocation errors.

Cond Out Temperature Sensor Error (Open/Short)

Troubleshooting for Cond Out Temperature Sensor errors (Open/Short).

Outdoor Cond Out Sensor Breakaway Error

Diagnosing Outdoor Cond Out sensor breakaway errors.

Digital Compressor Discharge Temp. Sensor Error

Troubleshooting for digital compressor discharge temperature sensor errors.

Constant Rate Compressor Discharge Temp. Sensor Error

Diagnosing constant rate compressor discharge temperature sensor errors.

Compressor Discharge/Top 1/2 Temp. Sensor Error

Troubleshooting compressor discharge or top temperature sensor errors.

Suction Temperature Sensor Breakaway Error

Troubleshooting suction temperature sensor breakaway errors.

SUMP Temperature Sensor Error

Diagnosing sump sensor errors (OPEN/SHORT).

High Pressure Sensor Error

Troubleshooting high pressure sensor errors (Open/Short).

Low Pressure Sensor Error

Diagnosing low pressure sensor errors (Open/Short).

Suction Temperature Sensor Error

Troubleshooting suction temperature sensor errors (Open/Short).

Liquid Pipe Temperature Sensor Error

Diagnosing liquid pipe temperature sensor errors (Open/Short).

EVI In Temperature Sensor Error

Diagnosing EVI In Temperature sensor errors (Open/Short).

EVI Out Temperature Sensor Error

Troubleshooting EVI Out Temperature sensor errors (Open/Short).

Suction-2 Temperature Sensor Error (OPEN/SHORT)

Diagnosing suction-2 temperature sensor errors (OPEN/SHORT).

Compressor Down: High Pressure Protection

Diagnosing compressor down issues due to high pressure protection control.

Compressor Down: Low Pressure Protection

Troubleshooting compressor down issues related to low pressure protection control.

Sump Sensor Error Due to Protection Control

Diagnosing sump sensor errors due to protection control.

3-phase Input Wiring Error

Diagnosing and resolving 3-phase input wiring errors.

Compressor Down: Compression Ratio Control

Diagnosing compressor down issues related to compression ratio control.

Compressor Starting Error

Diagnosing compressor starting errors, checking bypass valves and resistance.

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