Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-17
cobas b 221 system 7 Troubleshooting
System stops
Error 10025 "Check date and time"
Date and time have to be verified.
o Input current date and time.
Error 10026 "Bypass wash error 2"
Sample sensor SS2 recognizes too less S1 Rinse Solution during the wash procedure.
o Call up "Wash" again.
h At the system stop screen, press [Wash].
o Clean the water jet nozzle.
o Check waste tube and replace if necessary.
e For instructions, see Replacing the waste tube on page B-77.
o Check sample inlet path and replace if necessary.
e For instructions, see Replacing the sample inlet path on page B-24.
o Replace the T&D tubing set.
e For instructions, see Replacing the T&D tubing set on page B-27.
o Insert new S1 Rinse Solution.
Error 10027 "SD wash error 2"
Sample sensor SS2 recognizes too less S1 Rinse Solution during the wash procedure.
o Call up "Wash" again.
h At the system stop screen, press [Wash].
o Clean the water jet nozzle.
o Check waste tube and replace if necessary.
e For instructions, see Replacing the waste tube on page B-77.
o Check sample inlet path and replace if necessary.
e For instructions, see Replacing the sample inlet path on page B-24.
o Replace the T&D tubing set.
e For instructions, see Replacing the T&D tubing set on page B-27.
o Insert new S1 Rinse Solution.
Error 10028 "S1 on board time expired"
On-board time of S1 Rinse Solution expired.
o Insert new S1 Rinse Solution.
Error 10029 "S1 expired"
S1 Rinse Solution expired.
o Insert new S1 Rinse Solution.