Velp Scientifica OV 625, Инструкция по эксплуатации

Страница: 11 / 48

11
Replace the PTFE gasket if the following conditions occur:
•
Visible wear of the component (e.g. deformations, thinning),
•
Unusual noise and vibration during the operation of the dispersing instrument,
•
When the space between the gasket and the internal and external metal parts is excessive.
To disassemble the dispersing tool, use the appropriate tool disassembly kit supplied with the drive unit and read the
instruction manual supplied with each tool.
6. Error and warning messages
When the display shows an error message, the motor stops automatically. To restore the functionality of the instrument,
proceed as follows:
•
Turn the unit off using the main switch
•
Use
the suggestions described in the column “Solution”
•
Turn the unit on
Code Cause Solution
The motor
doesn’t start or doesn’t
reach the set speed
•
Check that there
aren’t locks in the dispersing tool or structure
•
Check the operating time of the motor and brushes (chapter 0)
High internal motor temperature
•
Check that there
aren’t obstructions on the air vents for internal
ventilation
•
Check that there
aren’t locks in the dispersing tool or structure
•
Reduce speed or load
Motor overload
•
Check that there
aren’t obstructions on the air vents for internal
ventilation.
•
Check that there
aren’t locks in the dispersing tool or structure
•
Reduce speed or load
Problem on the main board
•
Contact
VELP Scientifica’s technical service department
Speed variation too high
•
Check that there are no locks in the dispersing tool or structure
•
Check the operating time of the motor and brushes (chapter 0)
Blackout or plug inserted with the
main switch in position I
•
Enter the plug when the main switch is in position 0
If an
error persists on the display, please contact VELP Scientifica’s technical service department.
7. Maintenance and cleaning
No routine or extraordinary maintenance is necessary for the unit. The maintenance is foreseen only on the dispersing tools
as described in Chapter 5.
Cleaning
Disconnect the unit from the power supply and use a cloth dampened with a non-flammable non-aggressive detergent.
During cleaning operations, prevent water and humidity residues from entering the unit.
Repair
Repairs must be carried out by authorized Velp personnel only.
The transport of the instrument by freight forwarders, couriers or others must be carried out using the original shockproof
packaging. Follow any instructions on the original packaging (e.g., palletizing).
It is the responsibility of the user to properly decontaminate the unit in case of hazardous substances remaining on the
surface or interior of the device. If in doubt about the compatibility of a cleaning or decontamination product, contact the
manufacturer or distributor.