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Troubleshooting
9
Troubleshooting
Observe the safety instructions in chap. Safety, from page 5 on.
Troubleshooting of the vibrators may only be performed by regularly
Expertise and
trained, authorised and qualified personnel. Work on the electrical system
regulations
may only be carried out by a qualified electrician.
The qualified personnel has to work exclusively with tools suitable for the
application.
In the case of unauthorised intervention in the NED there is no longer any
warranty claim.
Before any troubleshooting the NED must be safely disconnected from the
electrical mains. The procedure is as follows:
1.
2.
3.
4.
5.
22
Switch off NED.
Secure against unintentional switching on.
Determine that NED are voltage free.
Earth and short-circuit.
Cover and fence off neighbouring live parts.
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