Roche cobas b 221 system

Roche Diagnostics May 2009
D-82 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
Value flag s
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check Baro settings.
e For instructions, see Baro sensor on page D-101, Baro settings on page B-5.
o Reinstall software.
e For the details, see Software update on page B-104.
Flag no. 5007 "Calculation error (2)"
Microcontroller calculation error.
Possible causes: o An illegal calculation operation has occurred
Remedy: o Remove and replace relevant electrode.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Reinstall software.
e For the details, see Software update on page B-104.
Flags no. 5010...5012 "Calculation error (3...5)"
Microcontroller calculation error at the COOX module.
Possible causes: o An illegal calculation operation has occurred
Remedy: o Check cuvette for soiling and replace if necessary.
e For the details, see Replacing the cuvette on page B-59.
o Call up "Polychromator calibration".
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Reinstall software.
e For the details, see Software update on page B-104.
Flag no. 6026 "ADC error"
An ADC error occured.
Possible causes: Problem with ADC on amplifier board
Remedy: o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check cable press fit of the module connector cable on the mainboard for damage.
e For details, see Figure B-67 on page B-90.
o Replace relevant module.
e For the details, see:
Replacing the BG measuring chamber on page B-40
Replacing the ISE measuring chamber on page B-42
Replacing the MSS measuring chamber on page B-44
COOX module (cobas b 221<2/4/6> systems only) on page B-51
Replacing the tHb/SO
2
module on page B-62