Fritsch PULVERISETTE 7 premium line Manuel d'utilisateur télécharger pdf (Page 17)

1.9 Electrical safety

1.9.1

General information

n The main switch separates the device from the power supply with

two poles.

n Turn off the main switch if the planetary micro mill is "out of service"

for prolonged periods (e.g. overnight).

1.9.2 Protection against restart

In the case of a power failure during operation or after turning the

device off at the main switch, the grinding chamber cover is locked.

When the power supply is restored, the grinding chamber is not opened

until the software detects that the drive is stationary. For safety reasons,

however, the planetary micro mill does not restart.

1.9.3

Overload protection

n In the event of an overload, the device reduces the speed in a con-

trolled manner. This special operating state is indicated on the dis-

play.

n The device shuts down if the drive motor becomes too hot.

n The device shuts down if the drive is blocked.

1.9.4 Imbalance detection

The device shuts down if there is excessive imbalance. See

Chapter 5

‘Using the device’ on page 27.

Safety information and use

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Fritsch PULVERISETTE 7 premium line Manuel d'utilisateur Page 17