Roche Diagnostics May 2009
Service Manual · Version 9.0 D-43
cobas b 221 system 7 Troubleshooting
Module stops
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
Error 20054 "HW test error ISE"
A hardware error occurred during testing the ISE measuring chamber.
o Call up General hardware test and replace damaged parts.
h [System] > [Diagnostics] > [General hardware test].
Error 20065 "COOX lamp error"
An error occurred during control of the halogen lamp.
o Call up polychromator calibration.
o Replace the lamp unit Bilirubin.
e
For instructions, see Replacing the lamp unit bilirubin on page B-51.
o Replace the PolyOX-KX control board.
e
For instructions, see Replacing the PolyOX-KX control board on page B-53.
Error 20066 "COOX lamp error"
An error occurred when attempting to control/switch on the neon lamp during a
measurement or polychromator calibration.
o Call up polychromator calibration.
o Replace the lamp unit Bilirubin.
e
For instructions, see Replacing the lamp unit bilirubin on page B-51.
o Replace the PolyOX-KX control board.
e
For instructions, see Replacing the PolyOX-KX control board on page B-53.
Error 20067 "COOX lamp error"
An error occurred when attempting to control/switch on the halogen lamp during a
measurement or polychromator calibration.
o Call up polychromator calibration.
o Replace the lamp unit Bilirubin.
e
For instructions, see Replacing the lamp unit bilirubin on page B-51.
o Replace the PolyOX-KX control board.
e
For instructions, see Replacing the PolyOX-KX control board on page B-53.
Error 20068 "COOX HW error"
The 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.
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