44
20901121_12+16_VARIO_Vsel_V1.0_020818
Troubleshooting
Error
`
Possible cause
3
Remedy
Personnel
Venting valve
(optional) does
not switch
`
`
No voltage applied.
`
`
VACUU·BUS plug‑in
connection or cables
defective or not con
‑
nected.
`
`
Venting valve dirty.
`
3
Check
VACUU·BUS plug‑
in connection and
cables to the con
‑
troller.
`
3
Clean venting
valve.
`
3
Perform compo
‑
nent detection in
VACUU·SELECT
– see: Main menu/
Administration/
VACUU·BUS.
`
3
If necessary, use
another external
venting valve.
Specialist
Vacuum pump
does not start
`
`
Overpressure in the
outlet line.
`
`
Condensation in the
vacuum pump.
`
3
Open the out
‑
let line, check the
silencer.
`
3
Ensure clear pas
‑
sage.
Operator
`
`
Pump switched off.
`
`
Power plug not cor
‑
rectly plugged in or
pulled out.
`
`
VACUU·BUS plug‑in
connection or cables
defective or not con
‑
nected.
`
3
Switch pump on
using rocker switch.
`
3
Check power sup‑
ply and cable.
`
3
Check
VACUU·BUS plug‑
in connection and
cables to the con
‑
troller.
Operator
`
`
Motor overloaded.
`
`
Thermal protection
has been triggered.
`
3
Allow the motor to
cool down.
`
3
Clear error manu‑
ally:
Unplug pump
from the power
supply
Eliminate cause
of error
Switch pump
back on
Specialist
Error – Cause –
Remedy
