According to some reports, about a third of the Russian air conditioning market is represented by the products of this company. Founded in the early 80s of the last century, the products Haier quickly gained popularity due to the high quality of technology and the use of the latest technological developments. Now Haier is one of the 100 most famous equipment manufacturers in the world, one of the first Chinese firms to officially enter the American market.
Common mistakes
Most often, the errors of Haer air conditioners are caused by improper operation and illiterate attempts to repair the devices on their own.
Having studied the error codes of haier air conditioners, it will be much easier to figure it out.
| Haier air conditioner error code | Breaking |
| E0 | Violation of the condensate drain function |
| E1 | Compressor overpressure |
| E2 | Indoor unit heat exchanger covered with ice |
| E3 | Insufficient pressure in the compressor |
| E4 Haier air conditioner error | Compressor overheating |
| E5 | Compressor shutdown due to increased load |
| E6 | No communication between blocks |
| E7 | The indoor unit does not respond to commands from the keypad |
| E8 | Indoor unit motor overload |
| F0 | The temperature sensor in the room has disconnected |
| F1 | The temperature sensor of the heat exchanger of the indoor module is disconnected |
| F2 | The thermal sensor of the heat exchanger of the outdoor unit has disconnected |
| F3 | The outdoor thermal sensor has disconnected |
| F4 | The temperature sensor on the air supply has disconnected |
| FF | Electricity supply interrupted |
Errors on the air conditioner display
Error codes displayed on the scoreboard:
| Haier air conditioner error code | Number of diode flashes | What does |
| E7 | 15 | No contact between outdoor and indoor units |
| E1 errors of air conditioners Haer | — | The temperature sensor in the room does not work |
| E2 | — | The heat exchanger sensor is broken |
| E4 | — | EEPROM does not function |
| E14 | — | Fan does not work |
| E9 | — | Protection sensor triggered |
| F12 Haier air conditioner error | 1 | Headboard short circuit |
| F11 | 2 | IPM protection enabled |
| F22 | 3 | Overvoltage is supplied to the external unit |
| F4 | 4 | There is no consistency between indoor and outdoor unit control |
| F11 | 6 | Mains voltage abnormal |
| F4 | 8 | Too hot air blown out |
| F21 | 10 | Freezing of the temperature sensor |
| F6 | 12 | Outside air temperature sensor does not work |
| F25 Air Conditioner Errors Haer | 13 | Failure of the air temperature sensor at the outlet of the air conditioner |
| — | 18 | Compressor malfunction |
| F11 | 19 | Control board malfunction |
| — | 24 | Compressor voltage too high or too low |
| — | 25 | Too high voltage applied to compressor |
