Samsung Heat Pumps: manuals, user guides and error codes
Looking for a Samsung heat pump manual, user guide, or error code explanation? ServiceMy has created a dedicated resource hub to help homeowners quickly find the information they need for their system.
Our guide library includes downloadable manuals, setup instructions, troubleshooting advice and clear explanations of common error codes. If your Samsung heat pump is showing a fault code, not heating properly, or you simply want to understand how to operate it more efficiently, our guides are designed to help you identify the issue and keep your system running smoothly. These resources are regularly updated and written by experienced heat pump engineers to help you get the most from your heating system, improve efficiency and avoid unnecessary breakdowns.
These apply for the following air source heat pump models:
- AE050RXYDEG/EU
- AE080RXYDEG/EU
- AE120RXYDEG/EU
- AE160RXYDEG/EU
- AE050BXYDEG/EU
- AE080BXYDEG/EU
- AE120BXYDEG/EU
- AE160BXYDEG/EU
- AE050CXYDEG/EU
- AE080CXYDEG/EU
- AE120CXYDEG/EU
- AE160CXYDEG/EU
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Heat pump malfunctions: Samsung Error Codes
If you cannot find the error code explanation or need help resolving any issues, ServiceMy can help diagnose and arrange a professional heat pump service to restore your system to optimum performance.
| Error Code | Title | Explanation |
| E101 | Indoor-Outdoor Communication Fault | Communication failure between indoor and outdoor units; check wiring and connections. |
| E102 | Communication Timeout Fault | Signal delay or loss between system components. |
| E121 | Indoor Air Temperature Sensor Fault | Fault with indoor air temperature sensor. |
| E122 | Indoor Coil Temperature Sensor Fault | Indoor heat exchanger sensor failure. |
| E123 | Discharge Temperature Sensor Fault | Compressor discharge sensor fault. |
| E124 | Outdoor Air Temperature Sensor Fault | External air sensor failure; affects system performance. |
| E125 | Outdoor Coil Temperature Sensor Fault | Outdoor heat exchanger sensor failure. |
| E126 | Suction Temperature Sensor Fault | Refrigerant suction temperature sensor issue. |
| E127 | Liquid Line Temperature Sensor Fault | Refrigerant liquid line sensor fault. |
| E128 | Water Outlet Temperature Sensor Fault | Flow temperature sensor fault. |
| E129 | Water Inlet Temperature Sensor Fault | Return temperature sensor fault. |
| E201 | High Pressure Fault | Refrigerant pressure too high; often due to poor flow or airflow restriction. |
| E202 | Low Pressure Fault | Refrigerant pressure too low; typically due to leaks or low charge. |
| E203 | Compressor Overcurrent Fault | Excess electrical current detected in compressor. |
| E204 | Compressor Discharge Temperature High | Compressor overheating; may indicate system imbalance. |
| E205 | Compressor Start Failure | Compressor unable to start; possible inverter or electrical issue. |
| E206 | Fan Motor Fault | Outdoor fan not operating correctly; affects heat transfer. |
| E207 | 4-Way Valve Fault | Reversing valve not switching correctly between modes. |
| E208 | Refrigerant System Fault | General refrigerant circuit issue requiring diagnostics. |
| E209 | Defrost Fault | Defrost cycle not operating correctly; possible airflow or sensor issue. |
| E210 | Anti-Freeze Protection Activated | System protecting against freezing conditions. |
| E211 | Water Flow Fault | Insufficient water circulation; possible pump failure, airlock, or blockage. |
| E212 | Water Pump Fault | Circulation pump failure or not operating correctly. |
| E213 | Flow Switch Fault | No water movement detected; indicates circulation issue. |
| E214 | Low Water Pressure Fault | System pressure too low; check filling loop or leaks. |
| E215 | High Water Temperature Fault | Water temperature exceeded safe limits. |
| E216 | Low Water Temperature Fault | Water temperature too low; may indicate system imbalance. |
| E217 | Communication Fault (Controller) | Remote controller communication issue. |
| E218 | Addressing Fault | Incorrect addressing between system components. |
| E219 | EEPROM / Control Board Fault | Internal PCB or memory error. |
| E220 | Voltage Supply Fault | Power supply outside acceptable limits. |
| E221 | Overcurrent Protection Fault | Electrical overcurrent detected. |
| E222 | Inverter Module Fault | Fault with inverter controlling compressor. |
| E223 | Heat Sink Overheat | Inverter heat sink temperature too high. |
| E224 | Compressor Lock Fault | Compressor unable to operate or seized. |
| E225 | System Configuration Fault | Incorrect system setup or parameter mismatch. |
| C101 | Communication Fault (Indoor) | Internal communication fault within indoor unit. |
| C102 | Communication Fault (Outdoor) | Internal communication fault within outdoor unit. |
| C103 | Network Communication Fault | Communication issue across system network. |
| C104 | Communication Fault (Wired Controller) | Fault between controller and system. |
| C105 | Data Transmission Fault | Internal data communication error. |
Schedule Your Heat Pump Service Today
Don’t wait until efficiency drops, or your pump encounters issues. Investing in routine maintenance for your air source heat pump is the best way to keep your household energy-efficient, cosy, and cost-effective year-round.
Get in touch with our professional servicing team today to schedule your appointment. With extensive experience in heat pump servicing and home energy solutions, we’re here to help you stay warm, save money, and protect your investment.
Maintain your heat pump, and it will reward you with years of efficient and reliable performance.
