Tengchen air-energy water heater fault codes are mainly divided into the following categories:
1. E1 fault code: indicates that the temperature sensor of the air-energy water heater is faulty. It is recommended to check whether the sensor is damaged or connected. Loose, the sensor needs to be replaced or reconnected.
2. E2 fault code: Indicates that the temperature fuse of the air source water heater is faulty. It is recommended to check whether the fuse is damaged or has poor contact, and the fuse needs to be replaced or re-connected.
3. E3 fault code: Indicates that the pressure sensor of the air-energy water heater is faulty. It is recommended to check whether the sensor is damaged or the connection is loose. The sensor needs to be replaced or reconnected.
4. E4 fault code: Indicates that the outlet water temperature sensor of the air-energy water heater is faulty. It is recommended to check whether the sensor is damaged or the connection is loose. The sensor needs to be replaced or reconnected.
5. E5 fault code: Indicates the compressor overheating protection of the air-energy water heater. It is recommended to check whether the compressor is overheated or has poor heat dissipation, and the radiator needs to be replaced or cleaned.
The above are common fault codes and solutions for Tengchen air source water heaters. If other fault codes occur, you can check the product manual or contact the manufacturer’s customer service for more detailed instructions and solutions.