Roche Diagnostics May 2009
D-24 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
System stops
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
o Replace the interface unit.
e
For instructions, see Replacing the Interface unit on page B-92.
Errors 10095...10097 "Timing error"
An asynchronism occurred between processes and measuring.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check AQC/PolyOX cable for damage and replace if necessary.
o Check connector cable between mainboard and interface unit.
e
For details, see Figure Mainboard connectors on page B-90.
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
o Replace the interface unit.
e
For instructions, see Replacing the Interface unit on page B-92.
Error 10098 "Timing error COOX measurement"
An asynchronism occurred between processes and measuring.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check AQC/PolyOX cable for damage and replace if necessary.
o Check connector cable between mainboard and interface unit.
e
For details, see Figure Mainboard connectors on page B-90.
o Replace the PolyOX-KX control board.
e
For instructions, see Replacing the PolyOX-KX control board on page B-53.
o Replace the interface unit.
e
For instructions, see Replacing the Interface unit on page B-92.
Errors 10099...10105 "Timing error"
An asynchronism occurred between processes and measuring.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check AQC/PolyOX cable for damage and replace if necessary.
o Check connector cable between mainboard and interface unit.
e
For details, see Figure Mainboard connectors on page B-90.
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
o Replace the interface unit.
e
For instructions, see Replacing the Interface unit on page B-92.
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