Roche Diagnostics May 2009
Service Manual · Version 9.0 D-33
cobas b 221 system 7 Troubleshooting
System stops
Error 10427 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the T&D actuator board.
e
For instructions, see Replacing the T&D actuator board on page B-30.
Errors 10428, 10429 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
Error 10430 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the vacuum control board.
e
For instructions, see Replacing the vacuum control board on page B-80.
Error 10431 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
Error 10433 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the HSIN board.
e
For instructions, see Replacing the HSIN board on page B-61.
Error 10434 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the mainboard unit.
e
For instructions, see Replacing the Mainboard unit on page B-89.
Error 10435 "Hardware error"
A defective module was detected within the scope of the module communications.
o Replace the BG measuring chamber.
e
For instructions, see Replacing the BG measuring chamber on page B-40.
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