M3401-02en Edition 09/2022 37
Operation
7
7.1 Normal operation of the coupling7.1 Normal operation of the coupling
The coupling runs quietly and shock-free during normal operation.
7.2 Faults - causes and rectification7.2 Faults - causes and rectification
A form of behaviour which is different to normal operation is classed as a fault and has to be
rectified immediately.
Look out specifically for the following faults during coupling operation:
• Unusual coupling noise
• Sudden occurrence of shocks
7.2.1 Procedure in the event of malfunctions7.2 Faults - causes and rectification
DANGER
Danger due to bursting of the coupling
There is a risk of fatal injury from flying fragments. Bursting of the coupling can lead to an
explosion in potentially explosive atmospheres.
• Switch off the unit at once if any malfunctions occur.
• Note during the maintenance work the possible causes of faults and the notes on recti-
fying them.
Proceed as described below if there is a malfunction of the coupling during operation:
1. De-energise the drive immediately.
2. Initiate the required action for repair, taking into consideration the applicable safety regu-
lations.
If you cannot determine the cause or if you cannot carry out repair work with your own
means, request one of our customer service technicians.
7.2.2 Identifying the fault cause7.2 Faults - causes and rectification
Faults occur frequently due to application errors or they occur due to operational circum-
stances such as wear of wearing parts or changes to the system.
The faults and fault causes listed below only serve as an indication for troubleshooting. In
the case of a complex system be sure to include all the system components in the search for
the fault.
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