Samsung UH140GAV - User Manual

Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONERCONTENTS
SYSTEM AIR CONDITIONER
Basic : CH140EAV/UH140GAV
Model : CH070EAV1/CH090/105/140EAV
UH070EAV1/UH090/105/140EAV
Model Code : CH070EAV1/CH090/105/140EAV
UH070EAV1/UH090/105/140EAV
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1. Precautions
2. Product Specifi cations
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. PCB Diagram and Parts List
7. Wiring Diagram
8. Schematic Diagram
9. Reference Sheet
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Summary

2. Product Specifications

2-2 Product Specifications

Detailed technical specifications for various models of the air conditioner.

3. Disassembly and Reassembly

Necessary Tools

3-1 Indoor Unit Disassembly

Step-by-step instructions for disassembling the indoor unit.

3-2 Outdoor Unit Disassembly

Step-by-step instructions for disassembling the outdoor unit.

4. Troubleshooting

4-1 Indoor Display Error and Check Method

How to interpret indoor unit LED error codes and troubleshoot issues.

4-1-1 Wired Remote Error Display

Explains error codes displayed on the wired remote controller.

4-2 Outdoor LED Error Display

Interpreting outdoor unit LED error displays and troubleshooting steps.

4-3 Setting Option Setup Method

Guide to setting options using the remote control.

4-4 Items to be Checked First

4-5 Fault Diagnosis by Symptom

Troubleshooting guide for "No Power" symptom.

4-5-2 Outdoor Unit Power Supply Error

Troubleshooting steps for outdoor unit power supply errors.

4-5-3 Outdoor Unit Fan Error

Troubleshooting guide for outdoor unit fan errors.

4-5-4 Total Current Trip Error

Troubleshooting steps for total current trip errors.

4-5-5 Heating;Cooling Mode Issues

Troubleshooting for incorrect heating/cooling mode operation.

4-5-6 Outdoor Temperature Sensor Error

Troubleshooting guide for outdoor temperature sensor errors.

4-5-7 Discharge Temperature Sensor Error

Troubleshooting guide for discharge temperature sensor errors.

4-5-8 Coil Temperature Sensor Error

Troubleshooting guide for coil temperature sensor errors.

4-5-9 Fan Error

Troubleshooting guide for fan errors in the air conditioner.

4-5-10 DC-Link Voltage Sensor Error

Troubleshooting guide for DC-Link voltage sensor errors.

4-5-11 O.C.(Over Current) Error

Troubleshooting guide for over current errors.

4-5-12 Communication Error

Troubleshooting guide for communication errors between units.

4-5-13 Compressor Start Error

Troubleshooting guide for compressor start errors.

4-5-14 Compressor Lock Error

Troubleshooting guide for compressor lock errors.

4-5-15 DC Link Over;Low Voltage Error

Troubleshooting for DC link over/low voltage errors.

4.6 PCB Inspection Method

4-6-1 Pre-inspection Notices

4-6-2 Inspection Procedure

4-6-3 Indoor Detailed Inspection Procedure

4-6-4 Outdoor Detailed Inspection Procedure

5. Exploded Views and Parts Lists

5-1 Indoor Unit Exploded View and Parts List

CH090;105;140 EAV Parts List

CH070 EAV1 Parts List

5-3 Outdoor Unit Exploded View

UH090;105;140 EAV Outdoor Unit Parts List

UH070 EAV1 Outdoor Unit Exploded View

UH070 EAV1 Outdoor Unit Parts List

6. PCB Diagram and Parts List

6-1. Block Diagram

6-1-1 Indoor Main PCB Block Diagram

6-1-2 Outdoor Main PCB Block Diagram

Outdoor Main PCB Block Diagram (UH070 EAV1)

6-1-4 Outdoor Inverter PCB Block Diagram

6-2 PCB Parts List

Indoor Main PCB Parts List

Outdoor Main PCB Parts List (UH090;105;140 EAV)

Outdoor Main PCB -Inverter Parts List (UH140 EAV)

Outdoor Main PCB -Inverter Parts List (UH105 EAV)

Outdoor Main PCB -Inverter Parts List (UH090 EAV)

Outdoor Main PCB -Inverter Parts List (UH070 EAV1)

7. Wiring Diagram

8. Schematic Diagram

8-1 Indoor Unit Schematic Diagram

8-2 Outdoor Unit Schematic Diagram

Main PCB Schematic Diagram (UH070 EAV1)

Inverter PCB Schematic Diagram

Samsung UH140GAV Specifications