Malfunctions
This chapter describes potential causes of equipment malfunction
and the work required to restore operation. In the event of more fre-
quent malfunctions, shorten the maintenance intervals.
For any malfunction not resolved using the information provided
here, contact the manufacturer. See service contact details listed on
the back cover.
Personnel
•
Unless otherwise indicated, the work required to solve malfunc-
tions may be performed by the operator.
•
Some work may only be carried out by qualified personnel, which
is indicated in the description of the specific malfunction.
•
Work on the electrical system may only be performed by profes-
sional electricians.
Uncontrolled restart
When correcting faults, there is danger of the energy supply
being switched on without authorization. This poses a life-
threatening hazard for persons in the danger zone.
Therefore:
•
Prior to starting fault repair work, switch off the system and
safeguard it by activating lockout.
D A N G E R
9 Malfunctions
46
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