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WARNING!
Troubleshooting
General The devices are equipped with an intelligent safety system, which largely negates the
need for melting-type fuses. Melting-type fuses therefore no longer need to be replaced.
After a possible malfunction has been remedied, the device is ready for use again.
Safety
Work that is performed incorrectly can cause serious injury and damage to property.
▶ Only trained and qualified personnel may carry out the activities described in the following.
▶ Follow the safety rules in the power source Operating Instructions
WARNING!
WARNING!
An electric shock can be fatal.
Before opening the device:
▶ Set the power switch to - O -
▶ Unplug the device from grid power
▶ Attach a clear warning sign advising others not to switch the power source back on
▶ Use a suitable measuring instrument to ensure that electrically charged components
(e.g., capacitors) are discharged
Danger due to insufficient ground conductor connection!
This can result in severe personal injury and damage to property.
▶ The housing screws provide an adequate ground conductor connection for grounding
the housing and should not be replaced under any circumstances by other
screws that do not provide a reliable ground conductor connection.
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