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ITC Avoximeter 4000 Whole Blood CO-Oximeter User Manual

Page 53

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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.

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