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Haier Error Codes & Troubleshooting
Haier Error Codes & Troubleshooting
Haier air conditioners offer affordable comfort solutions with reliable performance.
10 Error Codes Listed1 Critical Issues
Error Code: E1
Indoor temperature sensor error
MEDIUM
Error Code: E2
Indoor coil sensor error
MEDIUM
Troubleshooting Steps:
Indoor heat exchanger sensor fault. Professional diagnosis needed.
Error Code: E3
Outdoor temperature sensor error
LOW
Error Code: E4
Outdoor coil sensor error
MEDIUM
Troubleshooting Steps:
Outdoor heat exchanger sensor error. Professional replacement may be required.
Error Code: E5
Communication error
MEDIUM
Troubleshooting Steps:
Communication fault between units. Check connecting cables and terminals.
Error Code: E6
High pressure error
HIGH
Troubleshooting Steps:
High pressure protection activated. Check system pressures.
High Priority: Professional attention recommended to prevent damage.
Error Code: E7
Low pressure error
HIGH
Troubleshooting Steps:
Low pressure protection activated. Check refrigerant levels.
High Priority: Professional attention recommended to prevent damage.
Error Code: E8
Compressor error
CRITICAL
Troubleshooting Steps:
Compressor malfunction detected. Professional attention required.
Critical Issue: Turn off your system immediately and contact a professional technician.
Error Code: E9
Fan motor error
HIGH
Troubleshooting Steps:
Fan motor malfunction. Check for obstructions and motor operation.
High Priority: Professional attention recommended to prevent damage.
Error Code: F0
Power supply error
MEDIUM
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