4  Troubleshooting  Issue 10/06 
  MICROMASTER 440      Operating Instructions 
260  6SE6400-5AW00-0BP0 
4.3 Fault messages 
In the event of a failure, the inverter switches off and a fault code appears on the 
display. 
NOTE 
To reset the fault code, one of three methods listed below can be used: 
1.  Cycle the power to the drive. 
2.  Press the 
 
 button on the BOP or AOP. 
3.  Via Digital Input 3 (default setting) 
Fault messages are stored in parameter r0947 under their code number (e.g. 
F0003 = 3). The associated error value is found in parameter r0949. The value 0 is 
entered if a fault has no error value. It is furthermore possible to read out the point 
in time that a fault occurred (r0948) and the number of fault messages (P0952) 
stored in Parameter r0947. 
A detailed description of the fault messages is provided in the parameter list. 
 
4.4 Alarm Messages 
Alarm messages are stored in parameter r2110 under their code number (e.g. 
A0503 = 503) and can be read out from there.  
A detailed description of the alarm messages is provided in the parameter list.