HE 5750 Operating Instructions
#371627 | Version 1.1
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2.3.7 Maintenance, repair and modification
The devices do not require special maintenance.
Modifications, maintenance and repair must be performed by trained professional
personnel only.
If the failure of a fuse is detected, the cause must be inspected and eliminated. The
replacement fuse must have the same data as the original type.
The use of patched fuses or short circuiting the fuse holder are not allowed.
Warning!
When opening the devices or removing covers and parts, live parts
may be exposed. Connection points can also be live. The device must
be disconnected from all voltage sources prior to these works.
Property damage caused by electrostatic charge!
When opening the devices, components may be exposed that are
sensitive against electrostatic discharge (ESD).
The following works must only be performed at work places that are
protected against ESD!
2.3.8 Explosion Prevention
Explosion Prevention!
Devices without explosion protection are not allowed to be operated in
potentially explosive spaces. Furthermore, the output and input circuits
of the device / device carrier must not lead into potentially explosive
spaces. Except for the devices with EX declaration of conformity! For
these EX devices, the information in the associated declaration of
conformity and the respective national regulations for setting up electrical
systems in potentially explosive areas must also be taken into account.
