1.E 1: The temperature controller is damaged or the temperature sensor is faulty. Need to replace related parts or repair.
2.E2: The overheat protection function appears, usually because the operating environment is too hot or poorly ventilated, and the operating environment needs to be improved.
3.E3: Power failure, which may be that the circuit board, power switch or socket are out of order and need to be checked and maintained.
4.E4: The condenser does not work or the subcooler is prevented from being damaged. Need to replace related parts or clean the condenser.
5.E5: Abnormal compressor speed or unstable power supply voltage. Need to check the power supply voltage and repair related parts.
The above are the common fault codes of Guangzhou star freezer and their reasons. Users should pay attention to regular cleaning and maintenance when using the freezer, master the correct use method, and avoid the occurrence of faults. In case of failure, it is recommended to seek professional maintenance service in time.