ABB FSO-21, User Manual

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Fault tracing 489
14
Fault tracing
Contents of this chapter
This chapter describes the status LEDs and provides generic diagnostics and
troubleshooting tips for the FSO module related faults generated by the drive. It
contains a list of the warning and fault messages with possible causes and corrective
actions. The causes of most warnings and faults can be identified and corrected
using the information in this chapter. If not, contact an ABB service representative.
Warnings and faults are listed in separate tables. Each table is sorted by warning/fault
code.
Status LEDs
The status LEDs are situated on the front of the FSO module. The table below
describes the status LED indications.
LED LED off LED lit and steady LED blinking
POWER No power Green Power to the
FSO is on.
- -
RUN FSO is in the
Fail-safe mode
and Safe state
(STO
activated).
Green FSO is in the
Operational or
Safe state.
Green FSO is in the
Configuration or
Start-up mode.
STATUS/FAULT The drive is in
normal
operation,
without active
safety functions
and no faults.
Green A safety function
is active.
Green Request for a safety
function has ended
but it has not been
acknowledged.
Red FSO is in the
Fail-safe mode.
Red FSO is in the
Configuration mode
(RUN LED is also
blinking).