Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
D-78 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
Value flag s
Flag no. 2070 "Sensor signal unstable"
Sampling criterion for tHb measurement value calculation violated.
Possible causes: o Irregular sample
o Sample feed leaks or is blocked
Remedy: o Perform "Internal cleaning" for the tHb/SO
2
module.
h [System] > [Wash & cleaning] > [Cleaning modules].
o Call up "General fluidics test" and check that tubing paths are open and without
leaks. h [System] > [Diagnostics] > [General fluidics test].
o Perform vacuum system test.
e For the details, see Vacuum System on page D-101.
o Replace S1 Rinse Solution.
Flag no. 2071 "Measuring path dirty"
The absolute limits of water calibration are outside the specified range.
Possible causes: o Sensor dirty
Remedy: o Perform "Internal cleaning" for the tHb/SO
2
module.
h [System] > [Wash & cleaning] > [Cleaning modules].
o Replace S1 Rinse Solution.
o Replace tHb/SO
2
module.
e For the details, see Replacing the tHb/SO
2
module on page B-62.
Flag no. 3000 "D2/D3 not performed"
MSS standby solution was not aspirated.
Possible causes: o Aspiration of MSS standby solution not ok
Remedy: o Call up "Aspirate standby solution".
h [System] > [Utilities] > [Fluid actions] > [Fill routines].
o Call up "Fill ref. electrode MSS".
o Perform "Calibration for ready".
Flag no. 3001 "FMS volume error"
The calibration solution is not aspirated into the BG measuring chamber in the
specified time.
This flag corresponds to the
Error 20016 "FMS volume error" module stop.
Possible causes and remedy:
e For instructions, see Error 20016 "FMS volume error" on page D-38.

Roche cobas b 221 system Specifications

General

Brand	Roche
Model	cobas b 221 system
Category	Medical Equipment
Language	English