KW Aufzugstechnik GmbH OPERATING MANUAL DAVID-613
DAVID-D613-V125-E 13.04.2021 Page - 214 -
Maintenance menu D7
General
The elevator control system determines the time of maintenance for the elevator installation in
order to ensure preventive maintenance. On the basis of the statistical maintenance interval
calculation, the wear of the system components, which is detected by the sensors, is compared
to the statistical value in order to generate the optimum maintenance time.
Parameter: Maintenance counter
The generation of the maintenance interval is activated in the parameter maintenance coun-
ter.
By calculating the frequency of use of an elevator installation according to EN 13015,
TRBS1312 & VDI3810, a use category (NK) was determined, which serves for the theoretical
calculation of the annual maintenance intervals.
Use category NK = A + B + C + D + E
Parameter: Maintenance after xxx days
In this parameter, the result of the utilization type is converted using a matrix to obtain the
annual maintenance interval. The output of the maintenance time is in days.
1 2 3 4
NK 1 – 2
4 3 2 1
NK 3 – 4
6 4 3 2
NK 5 – 6
8 6 4 -
NK > 6
12 8 - -
Parameter: Delete maintenance counter
A reset of the maintenance counter after maintenance is carried out in this menu.
Parameter: Number of trips per month
The start value is an estimate of the number of trips per month of the elevator system. The
value is refined during the lifetime of the plant by the data obtained.
Number of trips per
month
< 500 501 - 3000 3001 - 6000 6001 - 40000 > 40000
Average durations
per 24 hours
< 1 1 - 2 3 5 6
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