Unable To Write Parameter Setting - Mitsubishi Electric FR-CS84-012 Instruction Manual

6.6.11 Unable to write parameter setting

Check Possible cause
point
Operation is being performed (the STF or
Input
STR signal is ON).
signal
Parameter setting was attempted in the
External operation mode.
Parameter write is disabled by the Pr.77
Parameter write selection setting.
Paramete
The key lock mode is enabled by the
r setting
Pr.161 Frequency setting/key lock
operation selection setting.
Operation mode and a writing device do
not correspond.
226
6. PROTECTIVE FUNCTIONS
6.6 Check first when you have a trouble
Countermeasure
Stop the operation.
When Pr.77 Parameter write selection = "0 (initial value)", write is
enabled only during a stop.
Choose the PU operation mode.
Or, set Pr.77 Parameter write selection = "2" to enable parameter
write regardless of the operation mode.
Check the Pr.77 setting.
Check the Pr.161 setting.
Check Pr.79, Pr.338, Pr.339, and Pr.551, and select an operation
mode suitable for the purpose.
Refer to
page
89
89, 100
89
88
100, 105