Maintenance - MACHEREY-NAGEL NANOCOLOR VARIO C2 Handbuch

Danger of boiling delay: Always keep the bores of the heating block dry.
Do not clean the device with acetone or similar products.
Clean the unit regularly to ensure continuous and correct operation.
Turn off the unit by disconnecting it from the power source.
Wipe the outside of the device with a damp cloth or a mild detergent and then dry the device
with a soft cloth. Remove splashes on the unit immediately. If necessary, clean or dry the
touch screen with a soft, lint‑free cotton cloth. Light dirt in the holes can be removed with a
soft brush.
If the inside of the device is contaminated by a cuvette leak, contact the manufacturer or local
distributor and arrange for the following measures to be taken:
a) Switch off the device and disconnect it from the power source.
b) Wait until the temperature of the heating block has dropped to room temperature.
c) Use a pipette to remove any remaining liquid in the holes and dispose it of according to the
applicable regulations.
d) Remove glass splinters with tweezers and remove any remaining liquid on the device. Avoid
contact of the liquid with the skin.

17.2 Maintenance

Malfunction or damage of the device due to incorrect maintenance. Maintenance of the
device may only be carried out by qualified personnel.
Contaminated bores can damage the cuvettes used. Check the cleanliness of the holes
at regular intervals and as part of maintenance. Contaminated wells must not be used for
sample digestion. Clean the dirty wells.
Establish maintenance intervals according to the regulations that apply to you. Regardless,
MACHEREY‑NAGEL recommends at least one annual maintenance of the unit. The following
points should be part of a maintenance of the unit:
Check the power supply
n
Check the function of the display and touch screen
n
Check the cleanliness of the unit and the bores
n
Check the individual temperatures (see chapter Quality Control)
n
Check the heating time (against stopwatch)
n
Check time and date
n
Check the automatic switch‑off after the time has expired
n
If you have any questions about maintenance of the unit, contact MACHEREY‑NAGEL or your
local representative.
Manual heating block NANOCOLOR
WARNING
NOTICE
NOTICE
WARNING
VARIO C2 / VARIO 4 EN, 08.2021
®
55