Ningbo DOKEE Medical Technology Co., Ltd. , https://www.dokeemedical.com
Electric heating constant temperature blast drying oven troubleshooting
Present image
Principle
deal with
Power on without power
Socket without power
Replace the socket
The plug is not plugged in or disconnected
Plug in or connect the cable
Fuse open circuit
Replace the fuse
Present image
Principle
deal with
Boot no display
Wiring off or temperature controller is broken
Rewire and replace the temperature controller
PV display shows ˉˉˉˉˉˉˉˉ
Overflow of measured value
Adjust the temperature setting
PV display shows ____
Underflow of measured value
Adjust the temperature setting
PV display shows â–¡â–¡â–¡â–¡
Temperature sensor failure
Repair or replace
Not warming up
The device is at the end of the timer
Press the SET button
Low setting temperature
Adjust the temperature setting
Electric heater is bad
Replace electric heater
Temperature controller is bad
Replace the temperature controller
Set temperature and temperature inside the box
Large error
The circulating fan does not work
Repair or replace
Control parameter deviation
Correct control parameters
Temperature sensor failure
Repair or replace
The circulating fan sounds abnormal
Circulating fan blade rubbing the air duct plate
repair
Circulating fan bearing lack of oil
Replace the circulating fan
Temperature out of control
SCR bad
Replace the thyristor
Temperature sensor fixed off
Fixed temperature sensor
Temperature controller is bad
Replace the temperature controller