Samsung AR12MSWXCWKNCV

Technical data and specifications for different models.

3. Alignment and Adjustments

3-2 Display Error and Check Method

3-3 Setting Option Setup Method

3-4 EEPROM Download (485 communication model)

7. Wiring Diagram

9. Operating Instructions

9-2 Wireless Remote control-Buttons and Display

10. Troubleshooting

10-1 Items to be checked first

Initial checks and common issues before detailed troubleshooting.

10-2 Communication Error

Troubleshooting steps for communication errors between units.

10-2-2 Indoor temperature sensor Error

Steps to diagnose and resolve indoor temperature sensor errors.

10-2-3 Indoor fan motor speed detecting error (BLDC fan)

Troubleshooting for indoor fan motor speed detection errors.

10-2-4 Outdoor temperature sensor error

Steps to diagnose and resolve outdoor temperature sensor errors.

10-2-5 Outdoor Cond temperature sensor error

Troubleshooting for outdoor condenser temperature sensor errors.

10-2-6 Outdoor Discharge temperature sensor error

Troubleshooting for outdoor discharge temperature sensor errors.

10-2-7 Operation condition secession error

Steps to resolve errors related to abnormal operating conditions.

10-2-8 EEPROM error; OTP error

Troubleshooting EEPROM and OTP errors.

10-2-9 Outdoor Fan motor error

Troubleshooting for outdoor fan motor errors.

10-2-10 Compressor starting error

Steps to diagnose and resolve compressor starting errors.

10-2-11 Compressor wire missing error;rotation error

Troubleshooting compressor wire issues and rotation errors.

10-2-12 Current sensor error;Input current sensor error

Troubleshooting for current sensor and input current sensor errors.

10-2-13 O.C(Over Current) error

Steps to diagnose and resolve over current (O.C) errors.

10-2-14 No power outdoor (Initial Diagnosis) (Not displayed)

Troubleshooting for outdoor unit power failure during initial diagnosis.

10-2-15 When the Up;Down, Left;Right, Grill louver motor does not operate (Initial Diagnosis) (Not displayed)

Troubleshooting for louver motor operation issues.

10-2-16 When the remote control is not receiving

Steps to resolve issues with the remote control not being received.

10-2-17 Smart Install error

Troubleshooting procedure for Smart Install errors.

10-2-18 Outdoor OLP over temperature error (One way Inverter Only)

Troubleshooting for outdoor OLP over-temperature errors.

Brand	Samsung
Model	AR12MSWXCWKNCV
Category	Air Conditioner
Language	English

Samsung AR12MSWXCWKNCV - User Manual

Table of Contents

Summary

SERVICE Manual

1. Precautions

1-1 Installing the air conditioner

1-2 Power supply and circuit breaker

1-3 During operation

2. Product Specifications

2-2 Product Specifications