6-9
Possible Causes
Check and Measures
Check whether the keypad is properly connected to the inverter.
Î
Remove the keypad, put it back, and see whether the problem
persists.
Î
Replace the keypad with another one and check whether the
problem persists.
(3) The keypad was not
properly connected to
the inverter.
When running the inverter remotely, ensure that the extension cable
is securely connected both to the keypad and to the inverter.
Î
Disconnect the cable, reconnect it, and see whether the problem
persists.
Î
Replace the keypad with another one and check whether the
problem persists.
[ 2 ] The desired menu is not displayed.
Possible Causes
Check and Measures
(1) The limiting menus
function was not
selected appropriately.
Check the data of function code E52 (Keypad (Menu display
mode)).
Î
Change the data of function code E52 so that the desired menu
can be displayed.
[ 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 by 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 setting of F00 from "1" or "3" to "0" or "2."
(3) The
WE-KP
command
("Enable data change
with keypad") is not
input though it has been
assigned to a digital
input terminal.
Check the data of function codes E01, E02, E03, E04, E05, 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 setting data of
function code F02, E01
through E05, E98, and
E99 could not be
changed.
The inputs to the terminals of
FWD
and
REV
commands are
concurrently turned ON.
Î
Turn OFF both
FWD
and
REV
.