Operating instructions
64  08/06
7  Annex 
7.1  Error messages 
T
he various control functions and methods and the hardware of the frequency inverte
r
contain functions, which continuously monitor the application. As a supplement to the
messages documented in these operating instructions, the followin
g
 failure keys are
activated by the EM-RES-01 expansion module. 
  Control connections 
  21  Resolver synchronization not successful. Check resolver signal for inter-
ferences. 
  22  Resolver counting error: Check resolver signal for interferences. 
  23  Resolver pole pair number is invalid. The ratio of the no. of pole pairs to 
the no. of resolver pole pairs must be an integer number. Check pa-
rameters 
No. of Pole Pairs 373 for the motor and und No. of Pole 
Pairs 
381 for the resolver, correct if necessary. 
F14 
24  Open circuit: check resolver connections and lines. 
  System bus 
  F21  nn  Fault report to system bus master in fault in system bus slave 
nn = Node ID of slave (hex) 
  System bus 
  00  Communication fault, system bus, timeout SYNC telegram 
  01  Communication fault, system bus, timeout RxPDO1 
  02  Communication fault, system bus, timeout RxPDO2 
  03  Communication fault, system bus, timeout RxPDO3 
F22 
10  Communication fault, system bus, bus OFF 
  Additional to the listed fault messa
g
es, there are further fault messa
g
es for internal
purposes and not listed here. If you receive fault messa
g
es, which are not listed here,
please contact us by phone. 










