DIGISYSTEM VM-2000 User manual

DIGISYSTEM LABORATORY INSTRUMENTS INC. www.digisystemlab.com REV.2-2020
INSTRUCTION MANUAL FOR VORTEX MIXER VM-2000 & VM-2000-C
VM-2000-C VM-2000
Warnings:
* Do not remove the mixer during operation.
* Place the mixer securely away from the edge of bench to avoid the mixer falling off the bench top.
* Do not disassemble the mixer by yourself. In the event of a malfunction, the mixer should be repaired by a
qualified technician. Before repairing, turn off the power.
* Clean up the head once the user finds any liquid on the head, otherwise the head will get damaged easily.
Steps:
1. Place the mixer on a flat and stable bench top. Plug the mixer into a properly grounded outlet which
corresponds with the electrical requirements on the label back on machine.
2. Place the ‘Switch’at ‘TOUCH’position. The unit will run as soon as touch on the ‘Head’. The ‘Power
indicator’lights.
3. Place the ‘Switch’at the ‘AUTO’position, the unit will run automatically.
4. Turn the ‘Speed controller’to the required speed.
Warning: Do not make the motor race rotation to avoid damage. After finishing operation, please place the
switch at ‘TOUCH’or ‘OFF’position.
Maintenance and care:
Keep the machine clean all the time, so no routine maintenance is required. Cleaning can be done with a
damp cloth. Avoid the use of solvents as they may damage the machine housing.
Circuit Diagram
Head
Speed controller
Switch
(AUTO/OFF/TOUCH)

DIGISYSTEM LABORATORY INSTRUMENTS INC. www.digisystemlab.com REV.2-2020
Service Manual
Troubleshooting Guide
Caution: Always disconnect the power cord before troubleshooting.
Trouble
Cause
Remedy
Instrument inoperative
Power cord not connected to outlet.
Plug in the power cord.
Dead power output.
Change to different output.
Defective electronic component.
Contact your distributor for repair.
Head doesn’t rotate
Switch isn’t at ‘AUTO or “TOUCH’ position.
Place the switch at ‘AUTO or “TOUCH’ position.
Eccentric brass rod doesn’t work well.
Contact your distributor for repair.
Switch is broken.
Contact your distributor for repair.
Motor is broken.
Contact your distributor for repair.
PC board is broken.
Contact your distributor for repair.
Speed can’t not be controlled
PC board is broken.
Contact your distributor for repair.
Speed controller is broken.
Contact your distributor for repair.
There is a big noise during
operation
Eccentric brass rod doesn’t work well.
Contact your distributor for repair.
Belt which is to fix the eccentric brass rod
doesn’t work well.
Contact your distributor for repair.
The “TOUCH” function can’t
work
Switch isn’t at “TOUCH’ position.
Place the Switch at ‘TOUCH’position.
The starting button under the motor is broken.
Contact your distributor for repair.