3.5 Shut-down of the TURBOVAC
Press the STOP key.
While the pump runs down, the STATUS LED flashes. The TURBOVAC runs
down until it stands still.
The row of LEDs indicates the decrease in speed through one LED each.
The rotational speed can only be indicated down to approximately 250 Hz,
i.e. the STATUS LED goes out before the pump has come to a standstill.
Before working on the pump make sure that the pump is at standstill.
3.6 Shut-down of the Turbo.Drive TD20
classic
Press the STOP key.
Set the mains switch on the rear to the position “0”.
4 Maintenance
The converter essentially requires no servicing since it contains no compon-
ents which could be adjusted.
Depending on the installation particulars and the ambient conditions, the
converter may collect grime (dust, moisture) on the inside. Such contaminati-
on can lead to malfunctions, overheating or short circuits and will have to be
avoided to the maximum extent possible. The Leybold Service Department
can clean the converter. We recommend adhering to a cleaning interval of
about three years.
Only qualified personnel or the Leybold Service Department may carry out
work on the frequency converter.
Potentially fatal voltages are present inside the frequency converter.
Open the frequency converter only after it has been isolated from the
mains power supply.
The converter contains components which could be damaged by electro-
static discharges.
Operation / Maintenance
30
Warning
Warning
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