Overload Protection; Maintenance And Cleaning - LBX instruments OS20 Serie Mode D'emploi

7. Overload protection

Overhead Stirrer works continuous, the motor current is electronically limited to achieve security
stall and overload protection. When the torque reaches limited value, overload protection function
will be started. At the same time overload protection light flashes.
Starts overload protection
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 When the setting speed value does not match the current medium viscosity, starts
overload protection.
 When the motor output shaft is stuck.
Refer to Chapter 8 for the solutions of overload protection and motor protection.
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8. Faults
Instrument con not be powered ON when start stirring function.
 Check whether the power cable is connected
Stirring function suddenly stop.
 Overload protection light changed to red, display area shows "Er 03", indicate the current
failure is "overload protection". When the setting speed value does not match medium
viscosity that caused overload protection, should be first switching OFF the instrument.
Switch ON the instrument after lowered setting speed value. If overhead protection continues
starting, then repeat the process and gradually reduce the speed.
 Overload protection light changed to red, display area shows "Er 04", indicate the current
failure is "motor protection". When the motor output shaft is stuck caused motor protection,
should be first switching OFF the instrument, remove the power cable, remove the block
material, and then switch ON the instrument to start stirring function.
If these faults are not resolved, please contact manufacturer/supplier.

9. Maintenance and Cleaning

Proper maintenance can keep instruments working properly and lengthen its lifetime.
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Do not spray cleanser into the instrument when cleaning.
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Do not remove the power line when cleaning.
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Only use recommended cleansers:
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