6-9
[ 2 ] The desired menu is not displayed.
Possible Causes
Check and Measures
(1) The menu display mode
is not selected
appropriately.
Check the data of function code E52 (Keypad (Menu display
mode)).
Î
Change the E52 data so that the desired menu appears.
[ 3 ] Data of function codes cannot be changed.
Possible Causes
What to Check and Suggested Measures
(1) An attempt was made to
change function code
data that cannot be
changed when the
inverter is running.
Check if the inverter is running with Menu #3 "Drive Monitoring"
using the keypad and then confirm whether the data of the function
codes can be changed when the motor is running, referring to the
function code tables.
Î
Stop the motor then change the data of the function codes.
(2) The data of the function
codes is protected.
Check the data of function code F00 (Data protection).
Î
Change the F00 data from "Enable data protection" ("1" or "3") to
"Disable data protection" ("0" or "2").
(3) The
WE-KP
terminal
command ("Enable data
change with keypad") is
not entered though it
has been assigned to a
digital input terminal.
Check the data of function codes E01 through E03, E98 and E99
and the input signals with Menu #4 "I/O Checking" using the
keypad.
Î
Input a
WE-KP
command through a digital input terminal.
(4) The
key was not
pressed.
Check whether you have pressed the
key after changing the
function code data.
Î
Press the
key after changing the function code data.
(5) The data of function
codes F02, E01 through
E03, E98, and E99
cannot be changed.
Either one of the
FWD
and
REV
terminal commands is ON.
Î
Turn OFF both
FWD
and
REV
.
(6) The DC link bus voltage
has dropped below the
undervoltage detection
level.
Using Menu #5 "Maintenance Information" on the keypad, check
the DC link bus voltage and measure the input voltage.
Î
Connect the inverter to a power supply that meets its input
specifications.