Roche cobas b 221 system

Roche Diagnostics May 2009
D-48 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
Module stops
o If multiple "Transponder Errors" (Error 20022 "Transponder error S2" on
page D-40, Error 20094 "Transponder error S3" on page D-47) occur
simultaneously, replace mainboard unit.
o
For instructions, see Replacing the Mainboard unit on page B-89.
Error 20095 "S3 on board time expired"
On-board time of S3 Fluid Pack A expired.
o Insert new S3 Fluid Pack A.
Error 20096 "tHb/SO
2
temperature nOk"
The temperature of the tHb/SO
2
module falls outside the specified range.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Ver i fy if t he tH b/SO
2
heating unit is installed correctly.
o Call up component test and check the tHb/SO
2
temperatures.
h [System] > [Component test] > [Control sensors] > [Temperature control] >
[Temperatures tHb/SO
2
].
tHb/SO
2
temperature not ok –
O Replace tHb/SO
2
module.
e For instructions, see Replacing the tHb/SO
2
module on page B-62.
o Check cable press fit of the tHb/SO
2
connector cable on the mainboard for
damage.
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.
Error 20097 "ADC error tHb"
Signal acquisition could not be performed due to a hardware error.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Check cable press fit of the tHb/SO
2
connector cable on the mainboard for
damage.
o Replace the tHb/SO
2
module.
e For instructions, see Replacing the tHb/SO
2
module on page B-62.
o Replace the mainboard unit.
e For instructions, see Replacing the Mainboard unit on page B-89.