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10.3.2 Maintenance interval
If any prescribed preventative maintenance services are not performed
regularly or are performed, but not on time, according to the manufacturer’s
specifications during the warranty period, a decision about a warranty claim
can only be made once the findings are available.
Regular maintenance is required for device reliability!
It is advisable to have maintenance work performed by the manufacturer.
The manufacturer recommends to check and, if necessary, replace the following
components in accordance with the specified intervals.
Maintenance work / checks
Maintenance
interval
(Recommendation)
Inspect and clean the air vents if necessary.
Check the tightness of the cable connections and re-tighten
them if required. Watch out for discolouration or changes to
the insulation and the terminals. Replace damaged cable
connections or corroded contact elements if necessary.
Check warning labels and replace them if necessary.
Visually inspect existing fuses, isolators and contacts.
Replace damaged parts if necessary.
Check covers and that locking mechanisms are working.