Errors, Sources And Solutions - Macherey-Nagel NANOCOLOR VARIO C2 Manual

18. Errors, sources and solutions

Depending on the operating status, different messages can be displayed. The source of the
error can be either an operating error or a malfunction of the device.
Error
Current temperature is too high
to start the selected program
Digestion aborted
The entered temperature/time is
already in the memory.
The entered temperature is
outside the possible range.
Critical hardware error.
The unit does not start correctly
after being switched on.
Only one T‑set can be used. If
you want to use the (USB) T‑set,
disconnect the (USB) T‑set first.
The device connected to the
USB port is not supported
The last test data will be lost if
you leave the test now. Press
to continue.
The last calibration data will be
lost if you leave the calibration
now. Press to continue.
The T‑set must be connected to
finish the calibration/test.
Press to stop the process.
The T‑Set must be connected to
start the calibration/test.
The difference between the
heating block and T‑set
temperature is outside the
permissible range. Check
whether the T‑set is connected
correctly.
Manual heating block NANOCOLOR
56
Source
The actual temperature of the
heating block is warmer than the
selected temperature
The temperature has deviated from
the setpoint by more than 4°C
during digestion. The digestion was
automatically interrupted.
The newly entered temperature/time
already exists.
The entered temperature does
not correspond to the possible
temperature limits.
There's a hardware problem.
The fuse is defective.
The power supply
is defective.
Two T‑sets are connected for
temperature testing.
The used device is not recognized
because it is unknown or defective.
The data of the current test (see
chapter Quality Control) has not yet
been saved.
The data of the current calibration
(see chapter Quality Control) have
not yet been saved.
The (USB) T‑Set was removed
during calibration/test.
No (USB) T‑Set is connected.
The (USB) T‑set is not properly
connected.
The temperature sensor is not
inserted correctly in the bore hole.
The temperature sensor is inserted
on the wrong side (VARIO 4 only).
Solution
Wait until the heating block has cooled
down and start the program again. The
current temperature of the block can
be displayed by pressing
Do not insert cuvettes into the holes of
the heating block during digestion.
Use the temperature/time already
programmed.
Enter a temperature in the range
40–160 °C.
Contact MACHEREY‑NAGEL.
Check the power supply to the unit
and check the fuses on the back of
the unit.
Disconnect the connection to the T‑set
that you do not want to use.
Connect the device again. Check the
function of the unit on another instance
(e.g. PC).
Wait until the test is finished before
leaving the menu.
Wait until the calibration is finished
before leaving the menu.
Reconnect the (USB) T‑Set to the
device to finish the calibration.
Connect a (USB) T‑Set to the heating
block and repeat the procedure.
Check that the (USB) T‑set is properly
plugged in.
Check that the temperature sensor is
inserted correctly.
Check that the temperature sensor is
inserted on the correct side (VARIO 4
only).
VARIO C2 / VARIO 4 EN, 08.2021
®
.