West Control Solutions N8840 - Manual (Page 85)

MAINTENANCE, REPAIR AND MODIFICATION
The units do not need particular maintenance.
a
Warning
When opening the units, or when removing covers or components, live parts and
terminals may be exposed.
Before starting this work, the unit must be disconnected completely.
After completing this work, re-shut the unit and re-fit all covers and components.
Check if specifications on the type label must be changed and correct them, if
necessary.
l
Caution
When opening the units, components which are sensitive to electrostatic
discharge (ESD) can be exposed. The following work may be done only at
workstations with suitable ESD protection.
Modification, maintenance and repair work may be done only by trained and
authorized personnel. For this purpose, the West service should be contacted.
a
The cleaning of the front of the controller should be done with a dry or a wetted
(spirit, water) handkerchief.
12.1 Resetting to factory setting
In case of faulty configuration, the 8840 profiler can be reset to the default
condition.
For this, keep the following two keys pressed during power-on :
И М
Controller reset to default is signalled by displaying FACTory shortly in the
display. Subsequently, the controller returns to normal operation.
Safety hints
Resetting to factory setting 85 8840 profiler
RUN
torY
FAC