9
4. Setting mode
Press both knobs for 3 seconds to enter into the setting mode when heating and stirring are off.
Clicking the Timer/autoreverse button (F) it is possible to pass from one of the following parameter to the next ones:
Click the stirring control knob to visualize the set value. Turn the knob to set the new value and click to confirm.
To esc setting mode wait 10 seconds without touching any knob or push both knobs at the same time.
5. Error messages
When the display shows an error message, the stirring and heating functions stop automatically. To remove the error message,
disconnect the instrument from the power supply.
Error code
Cause
AL1
Overtemperature
AL2
Excessive heating time
If an error
message appears on the display, please contact VELP Scientifica’s technical service department.
6. Maintenance and cleaning
Maintenance
➢
No routine or extraordinary maintenance is necessary;
➢
Repairs must be carried out by authorized Velp personnel only;
➢
Instrument must be transported in its original packaging any indications present on the original packaging
must be followed (e.g. palletized);
➢
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.
Cleaning
➢
Disconnect the unit from the power supply and use a cloth dampened with a non-inflammable non-
aggressive detergent.
Parameter shown
Default
value
Range
Description
Display 1
Display 2
TENP
LINt
120
OFF - 50 - 120
Set full scale temperature:
➢
It limits the maximum value of temperature set point
for the heating plate* (from 50 to 120°C step 10°C)
➢
If “OFF” is set, it is not possible to perform any action
with the temperature control knob
SPEd
LINt
1000
100 - 1000
Set full scale speed:
➢
It limits the maximum value of speed set point for the
motor (from 100 to 1000 rpm, step 100 rpm)
Strt
NOdE
StOP
StOP - run
Set starting mode:
➢
Stop: when the instrument is switched on through the
main switch, OFF is visualized on both displays
➢
Run: when the instrument is switched on, it restarts
to work with the last set points set
tINE
Strt
SnAP
SnAP - SEtP
Set start timer countdown:
➢
Snap: timer countdown starts as soon as one main
function (Temperature/Speed) is on
➢
SetP: timer countdown starts when temperature set
point is reached
tINE
SPEd
OFF
On - OFF
Continue stirring after timer end:
➢
If “on”, stirring continues after timer end
ANb.t
CAL
0.0
-10.0
÷
10.0
Heating plate probe calibration:
➢
It allows plate ambient temperature alignment to a
reference thermometer.
COun
NOtO
Running time. Days (24H):
➢
Motors and plate working time are displayed in hours
until 9999 hours (around 416 days).
After, they are shown in days starting from 417 and a
dot turns on as following, to differentiate days from
hours
COun
HEAt
rSEt
nO
YES - nO
Reset:
➢
It allows to restore default setting parameters
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