Burkert Type 0641 - Manual (Page 16)

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english
5. MAINTENANCE AND FAULTS
DANGER!
Hazards due to improper service, repair and maintenance work.
•
Service and maintenance work on the device may only be carried out
by authorised and suitably qualified personnel.
• Repair work may only be carried out by the manufacturer!
• When carrying out repair or maintenance work on the system, the
valve must not be opened and the earth connection must not be
disconnected!
When operated under the conditions described in these instructions, the units are
maintenance-free.
5.1. Faults
In the event of faults, ensure that
• The device has been correctly installed,
• The connections have been correctly made,
• The device is not damaged,
• All bolts are securely tightened.
• The electric and pneumatic power supplies are connected,
• All pipework is free.