Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-49
cobas b 221 system 7 Troubleshooting
Module stops
Error 20098 "tHb/SO
2
module not ready"
The tHb/SO
2
module is not ready.
o Replace the tHb/SO
2
module.
e For instructions, see Replacing the tHb/SO
2
module on page B-62.
Error 20112 "SS5 error"
o Call up "Wash AutoQC".
o Check SS5 sample sensor in the sensor test and if necessary calibrate by calling up
"Wash".
o Visually inspect the sample sensor for fluid residue.
Fluid present:
O Check tubing system for blockage and replace relevant components.
No fluid present:
O Replace Z-distributor board.
e For instructions, see Replacing the Z distributor board on page B-126.
o Replace the mainboard unit.
e For instructions, see Replacing the Mainboard unit on page B-89.
Error 20113 "module error AQC"
The required XY position was not reached.
o Call up "Wash AutoQC".
h [System] > [Wash & cleaning] > [Wash AutoQC].
o Check all plug connectors on the AQC board.
o Replace the AQC board.
e For instructions, see Replacing the AQC board on page B-124.
Error 20114 "module error AQC"
The required Z position was not reached.
o Call up "Wash AutoQC".
h [System] > [Wash & cleaning] > [Wash AutoQC].
o Check all plug connectors on the AQC board.
o Replace the AQC board.
e For instructions, see Replacing the AQC board on page B-124.