4.1 Malfunctions and their rectification
793 IC Sample Prep Module/ 8.793.1003 Instructions for Use
29
Actuator moves to next
position but display lamp
7777
no longer lights up
x
SP Module A dry
x
SP Module A temporarily in the
wrong position
x
Braking range not correctly
adjusted
x
Rinse all 3 actuator units with solution for
at least 10 min.
x
Switch instrument off and then on again.
Switch off SP Module A remote operation
with key
6666
<REMOTE> and operate key
8888
<STEP>. Check whether display lamp
7777
lights up.
Repeat this procedure 2-3 times; wait at
least 10 s each time before the <STEP>
key is operated.
If display lamp
7777
does not light up each
time the position is changed then the
braking range must be readjusted (see
below).
x
Readjust braking range
(see
section 4.2.8
).
Actuator is not switched
to next position
(display
lamp
7777
no longer lights up)
x
Connection to SP Module A is
interrupted
x
SP Module A dry
x
Actuator temporarily blocked
x
Actuator dirty
x
Mechanical fault in Actuator
x
Check cable connection from SP Module
A block to 793 Sample Prep Module.
x
Rinse all 3 actuator units with solution for
at least 10 min.
x
Switch instrument off and then on again.
Switch off SP Module A remote operation
with key
6666
<REMOTE> and operate key
8888
<STEP>. Check whether display lamp
7777
lights up.
Repeat this procedure 2-3 times; wait at
least 10 s each time before the <STEP>
key is operated.
If display lamp
7777
does not light up each
time the position is changed then the
braking range must be readjusted (see
below).
x
Clean actuator (see
section 4.2.6
).
x
Exchange actuator (see
section 4.2.7
).
