Metrohm 793 IC Sample Preparation Module User Manual

Page 33

4.1 Malfunctions and their rectification

793 IC Sample Prep Module/ 8.793.1003 Instructions for Use

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 and operate key

8888 . Check whether display lamp

7777 lights up.

Repeat this procedure 2-3 times; wait at
least 10 s each time before the
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.