Analysis and troubleshooting of common failures
VI . Analysis and troubleshooting of common failures
The power supply has no power;
Check the power supply;
1.
The whole machine is
out of charge;
The protective is fusing;
Replace the protective tube;
The power supply is not opened;
Open the power supply switch;
The display panel line falls off;
Plug the connection line well;
2.
Do not display
temperature;
Splash water or oil on the PCB;
Blow dry it and start the machine;
The external sensor fall
Check the external sensor, and restart
the power
3.
Display SEr
No thermal bath of liquid inside (dry)
Adding an appropriate amount of liquid,
and restart the power
4.
Display
Sensor open or short
Replace the sensor;
5.
The temperature
control is abnormal;
The temperature control circuit is bad;
Replace the temperature control circuit;
Potentiometer is bad;
Replace the potentiometer;
Switching power supply no output DC24V;
Replace the switching power supply;
The rotation controller is bad;
Replace the controller;
6.
Stir control disorders
Electric power lines fall;
Plug the connection line well;
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