ITC Avoximeter 4000 Whole Blood CO-Oximeter User Manual
Page 53
ITC AVOXimeter 4000 Operator’s Manual
Troubleshooting
Symptom
Possible Cause
Action Required
The instrument does
not turn on.
1. The battery is discharged,
and the AC Adapter is not
connected to an AC outlet
and/or the instrument.
1. Connect the AC Adapter to an
AC outlet and the ITC
AVOXimeter 4000
.
The instrument does
not respond to
keystrokes or cuvette
insertion.
1. The microprocessor is
locked up.
1. Press the
and
keys
simultaneously to turn the
instrument off, then turn the
instrument back on.
2. If this fails, contact ITC
Technical Support (see page ii).
Self-Test fails on
power-up. The following
error message is
displayed:
"Cuvette Inserted???"
1. A cuvette is inserted in the
instrument. If a cuvette is
not inserted in the
instrument, see #2 below:
1. Remove cuvette, turn unit off
and restart.
2. Intensities are out of range.
2. At "Cuvette Inserted???"
screen, press
ode. Pre
press
twice for
Diagnostic M
ss any
key and then
to re-
adjust light sources. When
program finishes, turn the
instrument off and then on.
3. The cable from the detector
to the circuit board is
disconnected.
3. Open the case and check that
the cables are properly
connected.
4. There is no power to the
LEDs. The LED cable may
be loose, disconnected or
improperly placed on the
connector at one or both
ends.
4. Open the case and check that
the cables are properly
connected.
5. One or more LEDs is
defective.
5. Contact ITC Technical Support
(see page ii).
6. The cuvette door is partially
open
6. Contact ITC Technical Support
(see page ii).
The external printer is
not printing.
1. There is no power to the
printer.
1. Connect the printer to an AC
outlet and turn on the printer.
2. The printer is not connected
to the instrument.
2. Connect the printer to the ITC
AVOXimeter 4000 (see page 9).
3. The wrong print mode,
baud rate, or parity is
selected.
3. Specify the proper values for
the printer (see page 35).
4. The microprocessor is
locked up.
4. See above.
45