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9. Faults
Instruments can’t be power ON
- Check whether the power line is unplugged
- Check whether the fuse is broken or loose
Fault in power ON self test
- Switch OFF the unit, then switch ON and reset the instruments to factory
default setting.
Stir speed cannot reach set point
- Excessive medium viscosity may cause abnormal speed reduction of the
motor
Unit cannot be powered off when switched off.
- Check if the residual heat warning function is still ON and hotplate temperature
is above 50℃ (the LED screen still work and “Hot” flash).
Fault error
（Applicable to machine models：MS-H-Pro+）
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