Commissioning 
  7.2 Switching on 
Synchronous Motors 1FK7 
Operating Instructions, 03/2011, 610.40700.40c 
39 
7.2  Switching on 
Before you switch on the motor, ensure that the parameters of the frequency converter have 
been assigned correctly. 
Use the appropriate commissioning tools (e.g. "Drive ES" or "STARTER"). 
 
CAUTION 
 
Uneven running or abnormal noises 
The motor can be damaged by improper handling during transport, storage or installation. If 
a damaged motor is operated, this can damage the winding or bearings and could even 
destroy the system. 
If the motor is not running smoothly or is making abnormal noises, shut the motor down and 
try to determine the cause of the fault as it runs down. 
 
 
 
CAUTION 
 
Observe the maximum speed 
The maximum speed n
max
 is the highest permissible operating speed. The maximum speed 
is specified on the rating plate. 
Exceeding speed n
max
 can result in material damage or could even completely destroy the 
motor. An appropriately configured control or an active speed monitoring function in the 
drive should be used to ensure that the motor cannot exceed the permissible speeds. 
 
 
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