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Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999248 / 28/04/2011
Fault
Possible cause
Remedy
❑
Internal venting valve
does not respond, valve
symbol is not displayed.
➨
External pressure transducer
connected and active?
✔
Select internal pressure
transducer or connect exter
-
nal venting valve.
❑
Venting valve does not
respond, valve symbol is
displayed.
➨
Valve soiled?
✔
Clean valve.
❑
Function ”Vac control”:
Control stops, ”arrow up”
is flashing.
➨
Preset maximum pressure
exceeded?
✔
Confirm by pressing key
START/STOP. Adapt
maximum pressure value if
necessary.
❑
Function ”Pump down”:
Control stops, ”arrow
down” is flashing.
➨
Pressure below preset mini-
mum pressure?
✔
Confirm by pressing key
START/STOP. Adapt
minimum pressure value if
necessary.
❑
Function is not displayed,
no menu.
➨
No controllable device con-
nected (valve, pump)?
✔
Connect devices or use con-
troller as measuring device.
❑
Controller does not
respond when pressing
keys (except ON/OFF).
PC symbol is displayed.
➨
Controller in remote mode?
✔
Control controller via inter-
face or switch off remote
mode.
❑
Controller does not
respond when operat-
ing any keys. No change
after switching off/on.
✔
Contact local distributor.
❑
Pump does not start or
stops immediately. Warn-
ing triangle and pump
symbol are flashing.
➨
Pump has been exposed to
condensate?
✔
Allow pump to run for some
minutes at maximum speed
with atmospheric pressure
at the inlet.
➨
Overpressure in the exhaust
line?
✔
Open exhaust line, ensure
a free (pressureless) outlet
line.
❑
Pump too noisy.
➨
Loud exhaust noise?
✔
Connect hose or silencer to
pump outlet.
➨
Diaphragm crack or dia
-
phragm clamping disc loose?
✔
Perform maintenance.
➨
Other than above mentioned
causes?
✔
Contact local distributor.
❑
Pump seized.
✔
Contact local distributor.