ABB FSO-21 - Page 492

492 Fault tracing
7A97 FSO premature
POUS
FSO received an external
POUS request while the
drive was still modulating.
It is recommended to activate the
POUS function only when the drive is
stopped.
7A98 FSO undefined
fault
FSO new version,
undefined fault in the dive
event system.
Contact your local ABB
representative.
7A99 FSO passivated FSO module was
passivated due to safety
fieldbus problems.
Check the fieldbus connection and
fieldbus controller for passivation
cause.
5)
Warnings
A7D0 FSO general
warnings
Warning from the FSO
module, for example:
• acknowledgement
button not operated
correctly
• I/O redundancy fault
• safety relay feedback
fault
• motor speed from the
safety encoder lost
See the tips in the Drive Composer
PC tool.
3)
A7D1 FSO internal fault Internal fault in the FSO
module
Reboot the FSO module. If the
problem still exits, replace the FSO
module. Contact your local ABB
representative.
5) 3)
A7D2 FSO IO fault Problems in the I/O
cabling or safety relays
Check the FSO I/O cabling.
4) 3)
A7D3 FSO STO fault Problems in the STO
cabling or inside the drive
Check the FSO STO cabling.
4)
A7D4 FSO STO request FSO module received an
external STO request.
-
1)
A7D5 FSO
communication
fault
Fault in
FSO communication
Check all connections.
4) 3)
A7D6 FSO safety
fieldbus fault
Fault in FSO safety
fieldbus communication
Check all connections.
4) 3)
A7D7 FSO configuration
fault
Fault in FSO configuration Check the FSO module parameter
settings using Drive composer pro.
4)
A7D8 FSO safety
encoder fault
Fault in the safety
encoder connected to the
FSE module
Check the safety encoder and the
connections and parameter settings.
Code
(hex)
Name Cause What to do