Samsung AM180JXVHGR/ET 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 AM180JXVHGR/ET Specifications

General

Brand	Samsung
Model	AM180JXVHGR/ET
Category	Air Conditioner
Language	English

Summary

1. Precautions

1-1 Precautions for the Service

1-3 Precautions for the Safety

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

3. Disassembly and Reassembly

3-1 Necessary Tools

3-2 Disassembly and Reassembly

Step-by-step procedures for disassembling and reassembling the unit.

4. Troubleshooting

4-3 Appropriate Measures for Different Symptom

Troubleshooting guidance for various system symptoms and error codes.

4-3-1 Outdoor Unit Test Operation Flow

4-3-2 Main PCB has no power phenomenon

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

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

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

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

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

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)

Troubleshooting MCU/Subcooler sensor errors (open/short).

4-3-17 Outdoor Temperature Sensor Error

Troubleshooting errors related to the outdoor temperature sensor.

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

Troubleshooting condenser outlet temperature sensor errors (open/short).

4-3-19 Outdoor Cond Out sensor breakaway error

Troubleshooting condenser outlet sensor breakaway errors.

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

Troubleshooting compressor discharge/top temperature sensor errors.

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

Troubleshooting compressor discharge/top sensor breakaway errors.

4-3-22 : Suction Temperature sensor breakaway error

Troubleshooting suction temperature sensor breakaway errors.

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

Troubleshooting high pressure sensor errors (open/short).

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

Troubleshooting low pressure sensor errors (open/short).

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

Troubleshooting suction-2 temperature sensor errors (open/short).

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

Troubleshooting liquid pipe temperature sensor errors (open/short).

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

Troubleshooting EVI-in temperature sensor errors (open/short).

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

Troubleshooting EVI-out temperature sensor errors (open/short).

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

Troubleshooting suction-2 temperature sensor errors (open/short).

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

Troubleshooting compressor down due to high pressure protection control.

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

Troubleshooting compressor down due to low pressure protection control.

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

Troubleshooting compressor start suspension due to temperature sensor issues.

4-3-34 3-phase Input Wiring error

Troubleshooting errors related to 3-phase input wiring.

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

Troubleshooting compressor start suspension due to abnormal compression ratio.

4-3-36 EVI EEV Open error

Troubleshooting Electronic Expansion Valve (EEV) open errors.

4-3-37 Refrigerant leakage error

Troubleshooting errors related to refrigerant leakage.

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 errors related to CH wire breaking.

4-3-41 Fan starting error

Troubleshooting errors related to fan starting.

4-3-42 Fan lock error

Troubleshooting errors related to fan lock.

4-3-43 Momentary Blackout error

4-3-44 Outdoor Fan Motor overheating

Troubleshooting outdoor fan motor overheating issues.

4-3-45 Fan IPM Overheat error

Troubleshooting fan IPM overheat errors.

4-3-46 Compressor starting error

Troubleshooting compressor starting errors.

4-3-47 COMP Overcurrent error

Troubleshooting compressor overcurrent errors.

4-3-48 Overvoltage / Low voltage error

Troubleshooting overvoltage or low voltage errors.

4-3-49 DC Link voltage sensor error

Troubleshooting DC link voltage sensor errors.

4-3-50 Fan Motor Overcurrent error

Troubleshooting fan motor overcurrent errors.

4-3-51 Input / Output Current sensor error

Troubleshooting input/output current sensor errors.

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

Troubleshooting outdoor fan PCB overvoltage/low voltage errors.

4-3-53 Hall IC(Fan) error

Troubleshooting Hall IC errors related to the fan.

4-3-54 Inverter Overheat error

Troubleshooting inverter overheat conditions.

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

Troubleshooting errors from indoor unit and MCU address duplication.

6. Wiring Diagram

6-1 AM080/100/120/140/160/180/200/220FXV, AM080/100/120/140/160/180/200/220JXV, AM140/200/220KXVA, AM140/180/200/220KXVG

6-2 AM240/260HXV***, AM240/260JXV***, AM160/180/240/260/280/300KXVA***, AM160/240/260/280KXVG***, AM080KXVS***

9. Test Operation

9-1 Auto Trial Operation

9-1-2 Auto Trial Operation functions

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

9-1-4 Auto Trial Operation Error Code

9-2 Amount of refrigerant automatically checking