User Manual

9
sensor must be inserted in the sample. For any faults,
heating will be automatically stopped. In this case, please
proceed as follows:
- Turn power off
- Ensure the external temperature sensor is inserted
into the sample
- Turn on and set the temperature to start heating
- If the instrument still can’t work properly, please
contact manufacturer / supplier for technical support.
Residual heat warning (HOT)
To prevent the risk of burns from the hotplate, this
instrument has residual heat warning function. When
heating is stopped, and the heating plate temperature is
still above 50°C, “Hot” will flash to warn that there’s
potential risk of burns. When the hotplate temperature
drops to below 50°C, the instrument will be automatically
powered off. To turn off the instrument immediately, pull
out the plug. In case of main power failure or
disconnection, the residual heat warning will not work.
Stirring
Stirring is switched on / off by pressing the speed setting
knob. The speed is set by rotating the knob in the range
of 100-1500rpm. 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