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Samsung Error Codes & Troubleshooting
Samsung Error Codes & Troubleshooting
Samsung air conditioners feature Digital Inverter technology for energy efficiency and quiet operation.
Error Code: E1 01
Indoor temperature sensor error
Troubleshooting Steps:
Room temperature sensor malfunction. Check sensor and wiring connections.
Error Code: E1 02
Indoor coil sensor error
Troubleshooting Steps:
Indoor heat exchanger sensor fault. Professional replacement may be needed.
Error Code: E1 21
Outdoor temperature sensor error
Troubleshooting Steps:
Outdoor ambient temperature sensor failure. Check sensor operation.
Error Code: E1 22
Outdoor coil sensor error
Troubleshooting Steps:
Outdoor heat exchanger sensor malfunction. Professional diagnosis required.
Error Code: E2 01
Communication error
Troubleshooting Steps:
Communication fault between units. Check connecting cables and terminals.
Error Code: E4 01
Outdoor unit PCB error
Troubleshooting Steps:
Outdoor unit control board malfunction. Professional replacement required.
Error Code: E4 21
High pressure error
Troubleshooting Steps:
High pressure protection activated. Check system pressures and refrigerant.
Error Code: E4 22
Low pressure error
Troubleshooting Steps:
Low pressure protection activated. Check for refrigerant leaks.
Error Code: E4 61
Fan motor error
Troubleshooting Steps:
Fan motor malfunction. Check for obstructions and motor operation.
Error Code: E4 81
Compressor error
Troubleshooting Steps:
Compressor malfunction detected. Immediate professional attention required.
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