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Troubleshooting
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7.6.13
Unable to write parameter setting
Check points Possible Cause
Countermeasures
Refer to
Page
Input signal
Operation is being performed (signal STF
or STR is ON).
Stop the operation.
When Pr. 77 = "0" (initial value), write is
enabled only during a stop.
Parameter
Setting
You are attempting to set the parameter in
the External operation mode.
Choose the PU operation mode.
Or, set Pr. 77 = "2" to enable parameter
write regardless of the operation mode.
Parameter is disabled by the Pr. 77
"Parameter write selection" setting.
Check Pr. 77 "Parameter write selection"
setting.
Key lock is activated by the Pr. 161 "Fre-
quency setting/key lock operation selec-
tion" setting.
Check Pr. 161 "Frequency setting/key lock
operation selection" setting.
Operation mode and a writing device do
not correspond.
Check Pr. 79, Pr. 338, Pr. 339 and Pr. 551,
and select an operation mode suitable for
the purpose.
Содержание FR-D720S SC EC
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Страница 24: ...Description of the case Product checking and part identification 1 4 ...
Страница 108: ...Operation panel Operation 4 20 ...
Страница 436: ...Setting for the parameter unit and operation panel Parameter 6 286 ...
Страница 484: ...Measurements on the main circuit Maintenance and inspection 8 14 ...
Страница 504: ...Specification change Appendix A 20 ...
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Страница 510: ...Index Appendix A 24 ...
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