Stirring
Stirring is switched on / off by pressing the speed setting knob.
The speed is set by rotating the knob in the range of 50-1500rpm.
When powered on, it displays the set speed of last operation.
Faults
• The device can’t work when powered on
- Check if the power line is connected properly
- Check if the fuse is broken or loose
• Fault in power on self test
- Power off the device and then restart
• Actual speed can’t reach the set value
- Media in high viscosity may probably cause abnormal speed
reduction of the motor
Error codes
7
If the instrument still can’t work properly, please contact
manufacturer / supplier for technical support.
Maintenance
Proper maintenance can make the device work well and extend
its life.
• Do not allow moisture to get into the device when cleaning.
• Disconnect the main plug when cleaning.
• Wear protective gloves when cleaning.
• Only use the recommended cleansing agents.
Error code Error description Solutions
Er5 Motor failure Reduce the sample