Samsung RC160MHXEA Service Manual

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This is the Freedom Heat pumps service manual for Samsung
air sourced heat pumps from 2010 – 2015.
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Samsung Eco Heating System 2010-15
Service Manual
Model Numbers:
RC090MHXEA and RC160MHXEA

Samsung RC160MHXEA Specifications

General

Brand	Samsung
Model	RC160MHXEA
Category	Heat Pump
Language	English

Summary

Samsung Eco Heating System 2010-15 Service Manual

Service Manual Overview

Introduction to the service manual for the Samsung Eco Heating System 2010-15.

Supported Model Numbers

Lists the specific model numbers covered by this service manual.

Remote Controller Functions

Self-Test Mode Activation

Instructions for activating the self-test mode using dip switches on the controller.

Troubleshooting Unit Performance

Addressing Freezing and Low Temperatures

Diagnosing and resolving issues with excessive freezing or low output temperatures.

Legionella Protection Feature

Configuring Legionella Settings

Details on adjusting field settings for the legionella disinfection function.

Managing High Running Costs

Troubleshooting Electricity Usage

Guidance on identifying and reducing high electricity bills associated with the unit.

General Fault Code Guidance

E121: Remote Controller Error

Explains the E121 fault code and its relation to remote controller initialization.

Communication Error Codes

E101/E201/E202: Comms Errors

Details communication errors between indoor and outdoor units and their troubleshooting.

Inverter PCB Fault Diagnosis

E203: Inverter Board Connectivity

Troubleshooting E203 fault concerning the inverter board's connection to the main PCB.

Temperature Sensor Error Codes

E221: Outdoor Air Sensor Check

Explains E221 fault and how to check the outdoor unit air sensor.

Refrigerant Coil Sensor Issues

E231: Refrigerant Coil Sensor Check

Details E231 fault and the procedure for checking the refrigerant coil sensor.

Compressor Discharge Pipe Sensor

E251: Discharge Pipe Sensor Check

Explains E251 fault and method for checking the compressor discharge pipe sensor.

Compressor Body Sensor Faults

E320: Compressor Body Sensor Check

Details E320 fault and how to test the compressor body sensor.

High Pressure and Flow Problems

E407: High Pressure Trip Fault

Explains E407 fault due to high refrigerant pressure trip or flow rate issues.

Compressor and Inverter PCB Issues

E464: High Compressor Current

Compressor Testing and Faults

E467: Compressor Fault Diagnosis

Remote Controller Communication

E601/E604: Controller Communication Faults

Outdoor Water Heat Exchanger Sensors

E901: Inlet/Return Sensor Check

Outdoor Water Heat Exchanger Sensors (Part 2)

E902: Outlet/Flow Sensor Check

Refrigerant Expansion Valve Sensor

E906: Expansion Valve Sensor Check

Temperature Sensor Error Summary

List of Temperature Sensor Errors

Provides a consolidated list of temperature sensor errors and general diagnostic approaches.

Flow Rate and Unit Stopping

E911: Insufficient Flow Speed

Flow Detection and Pump Errors

E912: Flow Switch Fault