Bosch central air conditioning fault code

The fault code of Bosch central air conditioning mainly refers to the fault diagnosis code, which is convenient for users to quickly and accurately troubleshoot when they encounter faults when using Bosch central air conditioning. The following are some common Bosch central air conditioning fault codes and their explanations:

1.E 1: The sensor inside the unit is faulty and needs to be replaced.

2.E2: The external sensor of the unit is faulty, so the sensor needs to be replaced.

3.E3: The air pressure sensor of the unit is faulty, and the sensor needs to be replaced.

4.E4: The unit voltage is too high or too low, so it is necessary to adjust the voltage and repair the circuit.

5.E5: The communication of the extension is faulty, so it is necessary to check the communication cable connection and network configuration.

6.E6: The internal controller of the unit is faulty, and the controller needs to be replaced.

7.E7: The refrigerant pressure of the unit is too high or too low, so it is necessary to check the pressure and leakage of the refrigeration system.

8.E8: The electronic expansion valve is broken and needs to be replaced.

9.E9: The heater of this machine is broken and needs to be replaced.

10.F 1: The air flow sensor is faulty and needs to be replaced.

The above are some common Bosch central air-conditioning fault codes and their descriptions. When using Bosch central air conditioning, if the above fault code appears, the user should promptly eliminate the fault and carry out corresponding repair and maintenance.