Fuji Electric FRENIC-HVAC User Manual page 666

[ 5 ] Menu cannot be selected./Menu does not display.
Problem A mark appears at some menu items, and they cannot be selected. Menu items do not display.
Possible Causes
(1) A user password has been set,
thus enabling protection.
(2) These menu items are
password protected (inverter
lock).
[ 6 ] Data of function codes cannot be changed.
Possible Causes
(1) An attempt was made to
change function code data that
cannot be changed when the
inverter is running.
(2) The data of the function codes
is protected.
(3) The WE-KP terminal
command ("Enable data
change with keypad") is not
entered, though it has been
assigned to a digital input
terminal.
(4) The key was not pressed.
(5) Terminal commands "FWD"
and "REV" are on.
(Data for function codes F02,
E01 through E07, E98, and
E99 cannot be changed.)
What to Check and Suggested Measures
Check whether a password has been set.
 Delete the password at PRG > 5(User Config) > 2(Password). Refer
to Chapter 5, Section 5.6.6.2 for details on how to delete the
password.
With Lok alarm "password protection (inverter lock)", many menu items
are restricted to prevent tampering with the inverter.
 Cancel the LoK alarm. Refer to [34] in Section 9.3.1 for details on
how to cancel the alarm.
What to Check and Suggested Measures
Check if the inverter is running with Menu "Drive Monitoring" using
the keypad and then confirm whether the data of the function codes can
be changed when the motor is running by referring to the function code
tables.
 Stop the motor then change the data of the function codes.
Check the data of function code F00 (Data Protection).
 Change the F00 data from "Enable data protection" (1 or 3) to
"Disable data protection" (0 or 2).
Check the data of function codes E01 through E09, E98 and E99 and the
input signal status with Menu "I/O Checking" using the keypad.
 Input a WE-KP command through a digital input terminal.
Check whether you have pressed the
code data.
 Press the key after changing the function code data.
Ensure that "Writing..." appears on the screen.
Either one of the FWD and REV terminal commands is turned ON.
 Turn OFF both FWD and REV.
9-32
key after changing the function