13. Troubleshooting & Maintenance
13-4
SV-iC5
Protective
functions
Cause Remedy
External fault A
contact input
The terminal which is set to “18 (External
fault-A)” or “19 (External fault-B)” in I20-I24 in
I/O group is ON.
Eliminate the cause of fault at circuit
connected to external fault terminal or cause of
external fault input.
External fault B
contact input
Operating
method when
the frequency
command is
lost
No frequency command is applied to V1 and
I.
Check the wiring of V1 and I and frequency
reference level.
Parameter save error Hardware fault Communication Error
Contact your local LSIS sales representative.
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