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13. Troubleshooting & Maintenance
13-4 SV-iC5
Protective
functions
Cause Remedy
External fault A
contact input
External fault B
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.
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 LGIS sales
representative.