Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-23
cobas b 221 system 7 Troubleshooting
System stops
O Replace the T&D actuator board.
e For instructions, see Replacing the T&D actuator board on page B-30.
Error 10054 "Baro sensor error"
The measured barometric pressure falls outside the specified range.
o Update Baro value.
e For instructions, see Baro sensor on page D-101, Baro settings on page B-5.
o If the error persists, replace the vacuum control board.
e For instructions, see Replacing the vacuum control board on page B-80.
Errors 10056...10067 "Process Error + additional information"
A subprogram did not report back.
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 10088 "ADC Error"
A subprogram did not report back.
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.
Errors 10089...10094 "Comm. error + additional information"
A subprogram did not report back.
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.