76
20901059_EN_VACUU·SELECT_V1.3_280119
Troubleshooting
Error
`
Possible cause
Remedy
Personnel
Maximum liq
‑
uid level
reached
`
`
Full status indicator
of a level sensor.
`
`
Level sensor discon
‑
nected.
`
`
Level sensor not
adjusted correctly.
`
`
Component defec‑
defec
‑
tive.
`
Empty the glass
flask or container in
question.
`
Connect level sen
‑
sor.
`
If permanently
removed, perform
the VACUU · BUS
component detec
‑
tion.
`
Re‑adjust level sen‑
sor.
`
Exchange defective
component.
Operator
8.2.2 General faults
Error
`
Possible cause
Remedy
Personnel
No display
`
`
Power plug or plug‑in
power supply not cor
‑
rectly plugged in or
pulled out.
`
`
Pumping unit
switched off.
`
`
VACUU·BUS plug‑in
connection or cables
defective or not con
‑
nected.
`
`
Controller switched
off or defective.
`
`
Device fuse tripped.
`
Check power con
‑
nection or plug‑in
power supply and
cables.
`
Check VACUU·BUS
plug‑in connection
and cables to the
controller.
`
Replace defective
components.
Operator
Display frozen
`
`
Controller in unde
‑
fined state.
`
`
Controller has frozen.
`
Restart the control
‑
ler.
Hold down ON/OFF
button for more
than 10 seconds
until device reboots.
Operator
Circuit board
fuse defective
`
`
Short circuit on the
circuit board.
`
`
Defective accessory
connected.
`
`
Power consumption
too high.
`
Remedy cause of
the short circuit
and replace circuit
board fuse.
`
Send in.
Resp.
specialist
