Question: How to do if display shows error code? Such as "E7" or "F8"
Answer:
These error codes may be caused by damaged spare parts of the air conditioner
and then these error codes only can be solved by after-sale service engineers
Please turn off the unit and call our Haier hotline for help
| ERROR CODE | FAULT DESCRIPTION | ERROR CODE | FAULT DESCRIPTION | ERROR CODE | FAULT DESCRIPTION |
| E7 | Communication fault between indoor and outdoor units | F6 | outdoor ambient sensor failure | F21 | Outdoor coil temperature sensor |
| E1 | Indoor temperature sensor failure | F7 | Suction temperature sensor failure | F22 | Outdoor Alternating current over current protection |
| E2 | pipe temperature sensor failure | F8 | DC fan motor malfunction | F23 | Compressor U-phase overcurrent Compressor V-phase overcurrent Compressor W-phase overcurrent |
| E4 | Indoor EEPROM failure | F9 | Module reset | F24 | CT detection current abnormal protection |
| E5 | Indoor anti-frosting protection | F11 | Loss of synchronism detection | F25 | Abnormal of compressor discharge sensor |
| E9 | Indoor unit overload in heating mode | F12 | EEPROM failure | F27 | Compressor current sampling circuit fault |
| E14 | Indoor fan motor malfunction | F13 | Lack of refrigerant | F28 | Compressor position detection circuit fault |
| F1 | IPM protection | F14 | 4-way valve reverse failure | F35 | Compressor driver board failure |
| F2 | Instantaneous over-current protection of the compressor | F19 | Power over/under voltage protection | F43 | Model matching abnormality |
| F3 | Communication error between Power module and main PCB board. | F20 | High pressure protection | FE | Fixed frequency AC Refrigerant leaking detection malfunction |
| F4 | Compressor discharging temperature protection |
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