1.E2 fault code: This indicates that the control panel of AHT freezer is out of range. Solution: Check the control panel and temperature probe to determine whether it is necessary to replace the control panel or adjust the position of the temperature probe.
2.E3 fault code: This fault code usually indicates that the temperature sensor of AHT freezer is faulty. Solution: It is necessary to check whether the connection of the temperature sensor is good. If there is no problem, it is necessary to replace the temperature sensor.
3.E4 fault code: This fault code usually indicates that the compressor of AHT freezer runs overtime. Solution: It is necessary to check the running state of the compressor to determine whether it needs to be replaced or maintained.
4.E5 fault code: This fault code usually indicates that the evaporator pipeline of AHT freezer is faulty. Solution: It is necessary to check whether the pipeline around the evaporator is damaged or leaked and repair it in time.
5.E6 fault code: This fault code usually indicates the condenser fault of AHT freezer. Solution: The condenser and surrounding pipelines need to be inspected to determine whether parts need to be replaced or repaired.
In a word, in the use of AHT freezer, it is necessary to pay attention to the alarm of fault code in time and take corresponding measures to deal with it in time to avoid unnecessary losses to commercial operation. If the above methods can't solve the fault problem, it is recommended to contact professional and technical personnel in time.