Operating instructions

Faults and Alarms Vector Control Chassis Type Frequency Converter
476 869 4070 76 J AB-74 Siemens AG
11-16 Operating Instructions SIMOVERT MASTERDRIVES
Fault
number
Fault Counter-measure
F114
MId OFF
The converter has automatically aborted the
automatic measurement as the time limit was
exceeded up to converter power-up, or due to
an OFF command during the measurement;
the selection in P115 Function Select is reset.
For P115 Function Select = 2 restart "Motor
data identification at standstill". The ON
command must be provided within 20 s after
the alarm message A078 = standstill
measurement appears.
Withdraw the OFF command, and restart the
measurement.
F115 KF internal Power-down the converter and electronics
and power-up again.
F148 Fault 1 Function blocks Check cause of fault,
see function diagram 710
F149 Fault 2 Function blocks Check cause of fault,
see function diagram 710
F150 Fault 3 Function blocks Check cause of fault,
see function diagram 710
F151 Fault 4 Function blocks Check cause of fult,
see function diagram 710
F243
Link int.
Faults in internal linking. One of the two
linked partners does not reply.
Replace CU (-A10).
F244 ParaLink int.
Fault in the internal parameter linking
Release comparison of MWH software and
CU software regarding the transfer
parameters.
Replace CU (-A10).
F255 Fault in the EEPROM Switch off the unit and power it up again. If it
occurs again, replace the CU.
Table 11-1 Fault numbers, causes and their counter-measures