Roche Diagnostics
D-42 Operatorโs Manual ยท Version 3.1
11 Troubleshooting Cedex Bio System
Dealing with exceptional situations
Dealing with exceptional situations
The following table list possible exceptional situations, provides information on the
possible causes, and suggests ways of remedying the situation. (Subsequent sections
contain detailed procedures for selected remedies.)
Situation Affected
items
Possible causes Comments
The fluid connectors
need to be disconnected
from the instrument.
External fluid
connectors.
o Moving the instrument to
another location.
o Removing blockages.
To get easier access to the release clamps on the connec-
tors, remove the side panel before removing the connec-
tors.
e
See To disconnect a tube from the instrument on
page B-130.
A service representative
asks you to perform diag-
nostics tasks.
Diagnostics
features.
These features are usually used
at the request of a service repre-
sentative.
Follow the instructions given by the service representa-
tive.
e
See Exporting diagnostics screens to USB on
page D-51.
The system does not
work or does not switch
on and the power switch
light is off.
Instrument. No electricity. 1. Check that the instrument is connected to the mains
power supply.
2. If the instrument is properly connected replace the
mains fuses.
e
See Changing the mains fuses on page D-47.
No printing. Printer. Printer is out of paper. Load printer paper.
e
Refilling printer paper on page B-122.
Printer jam.
e
To clear the paper jam on page D-46.
Reagent disk cannot be
inserted in the reagent
cooler.
Reagent disk. The bottle storage assembly in
the reagent disk was moved
while the latter was outside the
instrument.
The reagent disk is designed to handle reagents while it
is loaded on the instrument. The cover is equipped with
a locking mechanism.
Always remove and load reagents while the reagent disk
is on the instrument and by using the software sup-
ported procedures.
1. Align the bottle storage assembly in the reagent
disk.
e
See Realigning the reagent disk on page D-50.
2. Insert the reagent disk in the cooler.
Figure D-4 Troubleshooting overview