Heidolph 036308001, Operating Instructions Manual

Page: 137 / 157

137
8.2 Fault – Cause – Remedy
Fault
`
Possible cause
3
Remedy
Personnel
Sensitive process not
controllable
`
Motor speed too high.
`
Pumping speed too high.
3
Reduce motor speed. User,
Specialist
Frequent error messa-
ges of connected compo-
nents
`
Several controllers are
connected.
`
Several VACUU·BUS
components of the same
type are using the same
address.
3
Use only one controller for
one VACUU·BUS system.
3
Only in
Function
menu
Assign a new address
number to VACUU·BUS®
component
respon.
Specialist
VENT key does not work
Internal air admittance
valve cannot be triggered
`
Venting function deacti-
vated.
`
Setting of
int.Air V
in
menu
Function
is swit-
ched
Off
or
Auto
.
`
External air admittance
valve is connected,
and/or
`
External vacuum sensor
is connected.
3
Check why Venting is
deactivated.
3
Check if
Venting
by inter-
nal air admittance valve
can be used without risk.
3
Venting
safe? Enable the
function in menu
Func-
tion/ int.Air V
; adjustment:
Auto
or
On
.
Specialist,
respon.
Specialist
Internal air admittance
valve does not switch
`
Air admittance valve
soiled.
3
Clean venting valve (air
admittance valve),
see
chapter 9.1 Cleaning on
page 144
Specialist
Function or menu item
cannot be
used
`
Fuction or menu item
possibly only usable with
short-cut (key combina-
tion).
3
Press the correct key com-
bination;
for descriptions of keys
and short-cuts
see chap-
ter:
5.1 Operating ele-
ments on page 104
Specialist,
respon.
Specialist
Vario pump icon flashes
`
VARIO pump and VMS
are both connected at
the same time.
`
VARIO pump defective.
`
VMS defective or cable
is not conneted.
`
Cable break.
3
Remove VMS from
VARIO-pump and restart
controller.
3
Check VARIO pump for
defective parts.
3
Check VMS for defective
parts.
3
Check cable connections.
3
Replace defective parts.
Specialist
Air admittance valve icon
flashes
`
External air admittance
valve removed.
`
Plug disconnected.
`
External air admittance
valve defective.
3
Check the connection.
3
Check plug connection.
3
Replace defective parts.
3
Use internal air admittance
valve.
3
Reconfiguration without air
admittance valve.
Specialist