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Installation MACH104-PoEP
Release 10 09/2019
4 Maintenance and service

When designing this device, Hirschmann largely avoided using high-wear
parts. The parts subject to wear and tear are dimensioned to last longer
than the lifetime of the product when it is operated normally. Operate this
device according to the specifications.
See “Technical data” on page 38.

Relays are subject to natural wear. This wear depends on the frequency
of the switching operations. Check the resistance of the closed relay
contacts and the switching function depending on the frequency of the
switching operations.

Hirschmann is continually working on improving and developing their
software. Check regularly whether there is an updated version of the
software that provides you with additional benefits. You find information
and software downloads on the Hirschmann product pages on the
Internet (
http://www.hirschmann.com ).

Internal fuses are triggered only in the case of a detected error in the
device. In case of damage or malfunction of the device, turn off the supply
voltage and return the device to the plant for inspection.

Depending on the degree of pollution in the operating environment, check
at regular intervals that the ventilation slots in the device are not
obstructed.
Note: You find information on settling complaints on the Internet at http://
www.beldensolutions.com/en/Service/Repairs/index.phtml .