8 Maintenance
WARNING
Danger to life from electric shock during maintenance and service work
The device is only completely de-energized when the mains plug has been disconnected and the
vacuum pump is at a standstill. There is a danger to life from electric shock when making contact with
live components.
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Before performing all work, switch off the main switch.
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Wait until the vacuum pump comes to a standstill (rotation speed =0).
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Disconnect all connection cables.
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Remove the mains plug from the device.
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Secure the device against unintentional restarting.
The display and control unit cannot be repaired. In the event of a defect, replace the entire device with a
replacement part.
Maintenance
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