Siemens SIMOVERT MASTERDRIVES Operating Instructions Manual page 90

Faults and Alarms
Number / Fault Cause
F151 An active signal is present at binector U064
(1).
Fault 4
Function blocks
F244 Fault in the internal parameter linking
ParaLink int.
Compact PLUS only
F255 A fault has occurred in the EEPROM.
Fault in EEPROM
12-12
Table 12-1 Fault numbers, causes and their counter-measures
Counter-measure
Examine cause of fault, see function diagram
710
Release comparison of gating unit software
and operating software regarding the transfer
parameters.
Replace CU (-A10)
Switch off the unit and switch it on again. If the
fault re-occurs, replace the CU.
6SE7087-6KP50
Operating Instructions SIMOVERT MASTERDRIVES
10.99
Siemens AG