Remedy: Is the cable between main board ant the high-voltage power supply unit correctly connected? Isn't there defective contact point? Reconnect correctly. Check the defective contact point of high-voltage system. Replace the high voltage power supply.
Code: 122
Display: Service call 122:Error
Description: Low-voltage power supply fan error. Low-voltage power supply temperature error.
Remedy: Is fan in low-voltage power supply unit operating? Is fan connector connected properly? Check connections for connector of fan. Replace low-voltage power supply. Replace fan motor. Replace low-voltage power supply.
Remedy: the high-voltage power supply unit correctly connected? Reconnect correctly. Replace the high-voltage power supply.
Code: 124
Display: Service call 124: Error
Description: Environmental temperature abnormality
Remedy: Power supply OFF/ON Replace control panel board (PRP)
Code: 126
Display: Service call 126: Error
Description: The dewy of the device is detected
Remedy: Dew condensation occurs easily after the device is carried in from outside. After leaving it at room temperature for 2 hours to half a day, turn on the power again. Does the error recur? Turn on the power again after leaving the device for hours. Replace the high-voltage power supply.
Code: 127
Display: Service call 127: Error
Description: Fixed cooling fan error
Remedy: Is the connector connection of the fan normal? Does the error recur? Reconnect normally Replace the fan motor