Symptom
No characters on the
display.
The display gives erroneous
characters.
The display shows "FIR".
The display shows "
".
The display does not switch
from "
"and "WbC" to
three flashing dashes and
" " (ready for measuring).
The cuvette holder is not
moving into the correct
position.
Explanation
1. Power is not received.
2. If on battery power, the batteries need
to be replaced.
3. The display is out of order.
1. The display is out of order.
2. The microprocessor is out of order.
General analyzer software error.
1. The batteries need to be replaced.
2. If on AC power, the power adapter or the
circuit board is out of order.
The cuvette holder sensor is out of order.
The magnet in the cuvette holder is
missing.
Action
1a. Check that the power adapter is properly connected
to the analyzer and the AC power supply, as described
in the Start Up section.
1b. Check that the cable is not damaged.
2. Replace the batteries, six type AA, as described in the
Start Up section.
3. The analyzer needs service. Contact your local
distributor.
1, 2. The analyzer needs service. Contact your local
distributor.
a. Remove and replace all cables and/or batteries, and
restart, as described in the Start Up section.
b. The analyzer needs service. Contact your local
distributor.
1. Turn off the analyzer and replace the batteries, six
type AA, as described in the Start Up section.
2a. Check that the correct power adapter is used and
properly connected and working, as described in the
Start Up section.
2b. The analyzer needs service. Contact your local
distributor.
The analyzer needs service.
Contact your local distributor.
The analyzer needs service.
Contact your local distributor.
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