Roche Diagnostics May 2009
B-124 Service Manual · Version 9.0
5 AutoQC module cobas b 221 system
Replacing the AQC board
Replacing the AQC board
1
Switch off the cobas b 221 system.
2
Disassemble the AutoQC module.
e
For instructions, see Replacing the AutoQC module on page B-120.
3
Unscrew the two screws holding the AutoQC control board cover and remove it
(see below, A).
4
Pull all cables (names: J8, J9, J11, J14) from the AutoQC control board as well as
the temperature sensor cable out.
Activate the function program
h
[System] > [Component test] > [Valves] > [AQC module] to
test the functioning of the magnetic valve.
Electrostatically sensitive component!
Activate the function program
h
[System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.
A Two screws holding the AutoQC control
board
Figure B-95 AutoQC board cover
First unlock the flex cable connector by lifting the ends of the connector then pull the cable from the
board.
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