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

Troubleshooting
7.6.13

Unable to write parameter setting

Check points Possible Cause
Input signal
Parameter
Setting
FR-E700 EC
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
"Parameter write selection" setting.
Key lock is activated by the Pr. 161 "Fre-
quency setting/key lock operation selec-
tion" 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
enabled 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"
setting.
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
6-192
6-192
6-192
6-307
6-198,
6-212
7 - 29