Specifications

Troubleshooting Plug-in Modules 5-31
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Troubleshooting Plug-
in Modules
BIS ENGINE INCOMPAT BIS Engine Software is
not supported.
A software upgrade may be required.
Enter BIS Task Window
1
and write
down the Revision numbers displayed
for “Module FW Rev” and “BIS Eng SW
Rev”. Check the latest version of the
compatibility matrix provided either on
page 5-36 or in the latest Service Note,
whichever is more recent.
BIS ENGINE MALFUNC Malfunction in the BIS
Engine hardware.
Replace BIS Engine.
BIS DSC DISCONN DSC is not properly con-
nected
Either DSC cable or BIS
Engine may be faulty.
Make sure that the DSC is properly con-
nected to the adjacent devices.
If INOP persists replace DSC
2
.
If INOP persists replace BIS Engine.
BIS DSC MALFUNC Electrocautery used dur-
ing self-test.
Malfunction in the BIS
DSC hardware.
PIC may be faulty.
Make sure not to use electrocautery dur-
ing the self-test procedure.
Perform a PIC/DSC Test as described
under Self-Test Procedures for BIS com-
ponents on page 5-34. If it fails replace
DSC2.
If INOP persists replace PIC.
BIS DSC INCOMPAT DSC is not supported by
the BIS Engine or new
DSC connected to an old
BIS Engine.
A software upgrade may be required.
Enter BIS Task Window
1
and note the
Revision number displayed for “BIS Eng
SW Rev” and the DSC ID. Check the lat-
est version of the compatibility matrix
provided either on page 5-36 or in the
latest Service Note, whichever is more
recent.
BIS SENSOR MALFUNC Malfunction in the Sensor
hardware, most often
caused by liquids perme-
ating into the connectors.
PIC or short cable of the
DSC may be faulty.
Replace Sensor.
Enter BIS Task Window
1
and press
“START CHECK” to initiate a Cyclic
Impedance Check. Make sure all leads
have passed the test.
Make sure that the PIC connector
(between PIC and Sensor) is dry. If you
are not sure that the connector is dry,
replace PIC until it has dried.
If INOP persists perform the PIC/DSC
Test as described under Self-Test Proce-
dures for BIS components on page 5-34.
If it fails replace PIC.
If INOP persists replace DSC2.
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