Troubleshooting Guide - Wisd MSH-20D Bedienungsanleitung

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8 Troubleshooting Guide

Situation
Power Failure
Unit Not Heating
Heating, but unit not reaching
temperature or temperature is
fluctuated
Unit Not Stirring
ERROR 1
ERROR 2
If other problems arise, or one of the above not solves problems, please contact your
official agent or the manufacturer.
Reparations and amendments should only made by
Contraventions exclude the warranty.
witeg Labortechnik GmbH, WiseStir
21
Confirmations and Solutions
 Check the supplied voltage is present.
 Check the power connection and the power cord for
proper connection and integrity.
 Check if the MAIN Power Switch is "ON".
 Fuse is blown.
 Check if the MAIN Power Switch is "ON".
 Check if the set temperature (SV) confirmed with the Jog-
Dial knob (by turn the Jog-Dial knob cannot change the
set temperature – see point 6.3).
 Problem at the sensor or main controller.
 Check if the MAIN Power Switch is "ON".
 Check the set RPM.
 Hotplate defect.
 Motor defect.
®
MSH-D Hotplate Magnetic Stirrer
witeg
authorized people.