9. Faults
LCD digital LED digital
•
Instrument can not be powered ON when start stirring
function.
Check whether the power cable is connected.
•
Speed can not reach set point.
The setting speed value does not match the
current medium viscosity, please reduce speed
then re-start.
•
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
pressing speed control button to stop stirring
function. Restart stirring after lowered setting
speed value. If overhead protection continues
•
Instrument can 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.
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