VACUUBRAND PC 3001 VARIOpro emission condenser Peltronic - Manual (Page 97)

page 97 of 120
Fault Possible cause Remedy
❑ ”Vac control” func-
tion: Control stops,
”arrow up” is flash-
ing.
➨ Preset maximum pres-
sure exceeded?
✔ Confirm by pressing
START/STOP key.
Change maximum pres-
sure value if necessary.
❑ ”Pump down” func-
tion: Control stops,
”arrow down” is
flashing.
➨ Pressure below preset
minimum pressure?
✔ Confirm by pressing
START/STOP key.
Change minimum pres-
sure value if necessary.
❑ No function is dis-
played. No menu.
➨ No controllable device
(valve, VARIO pump,
VMS) connected?
✔ Connect devices or use
controller as measuring
device.
❑ Controller does
not respond when
pressing keys (ex-
cept ON/OFF).
PC symbol is dis-
played.
➨ Controller in remote
mode?
✔ Control CVC 3000 via in-
terface or switch off re-
mote mode.
❑ Controller does
not respond when
operating any keys.
No change after
switching off/on.
✔ Contact local distributor.
❑ Pump does not
start or stops im-
mediately. Warning
triangle and pump
symbol are flash-
ing.
➨ Pump has been ex-
posed to condensate?
✔ Allow pump to run for
some minutes at maxi-
mum speed with atmo-
spheric pressure at the
inlet.
➨ Overpressure in outlet
line?
✔ Remove blockage in line,
open valve.
❑ Pump does not
achieve its ultimate
vacuum or usual
pumping speed.
➨ Centring ring at small
flange connection not
correctly positioned, or
leak in the pipeline or
vacuum system?
✔ Check pump directly, then
check connection, pipe-
line and vacuum system if
necessary.
➨ Wrong setting at con-
troller?
✔ Select function ”Pump
down” with speed set to
”HI” and check again.
➨ Long, narrow vacuum
line?
✔ Use lines with larger di-
ameter, length as short as
possible.
➨ Pump has been ex-
posed to condensate?
✔ Allow pump to run for
some minutes with atmo-
spheric pressure at the
inlet to purge.