Unable To Write Parameter Setting - Mitsubishi Electric FR-E700 Series Instruction Manual

Troubleshooting
7.6.13

Unable to write parameter setting

Check Points
Input signal
Parameter
setting
FR-E700SC EC
Possible Cause
Operation is being performed (signal STF or
STR is ON).
You are attempting to set the parameter in
the External operation mode.
Parameter is disabled by the Pr. 77 "Parame-
ter write selection" setting.
Key lock is activated by the Pr. 161 "Fre-
quency setting/key lock operation selection"
setting.
Operation mode and a writing device do not
correspond.
Check first when you have troubles
Countermeasures
Stop the operation.
When Pr. 77 = "0" (initial value), write is ena-
bled only during a stop.
Choose the PU operation mode.
Or, set Pr. 77 = "2" to enable parameter write
regardless of the operation mode.
Check Pr. 77 "Parameter write selection" set-
ting.
Check Pr. 161 "Frequency setting/key lock
operation selection" setting.
Check Pr. 79, Pr. 338, Pr. 339, Pr. 550, Pr. 551,
and select an operation mode suitable for
the purpose.
Refer to
Page
6-193
6-193
6-193
6-314
6-204,
6-218
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