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9
TROUBLESHOOTING
Operation mode does not switch to SSCNET ΙΙΙ operation mode.
Check that the FR-A7NS and FR-A7AP/FR-A7AL are correctly mounted to the inverter. (Check that no
contact fault, cable disconnection, etc. occurs.)
Check that the FR-A7AP connection cable is correctly connected between the FR-A7NS and FR-A7AP.
(Refer to page 14.)
(Check that the FR-A7NS connection cable is correctly connected between the FR-A7NS and FR-A7AL.
(Refer to the FR-A7AL instruction manual.))
Check that vector control is performed. (Refer to page 10.)
Check that the SSCNET ΙΙΙ cable is correctly connected to the SSCNET ΙΙΙ cable connector (CN1A,
CN1B) of FR-A7NS. (Refer to page 26.)
Check that the Pr.499 SSCNET III operation selection setting is not "9999". (Refer to page 42.)
When "CF" is displayed
Refer to page 75.
When "PS" is displayed
Refer to page 76.
When "E. OPT" is displayed
Refer to page 77.
When "E. OP3" is displayed
Refer to page 78.
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