18
The load is not lowered slowly during the power cut test
It is not possible to set the position you want for the balancing level
without load
...TROUBLESHOOTING...
The vacuum pump does not start
Bad noise in the vacuum pump
!
Please refer to “Weekly Maintenance”.
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Contact your retailer for rectification.
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Unscrew the control unit from the lifting hose.
!
Check that no rubbish has got stuck in the balance valve.
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Remove the rubbish.
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Contact the person responsible for your electrical installation or your retailer.
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Contact your retailer.