Chapter 7 Optional AccessoriesME300
LCD Display * Warning Name Description Corrective Actions
Communication
error 4 (CE4)
RS-485 Modbus
data is written to
read-only address
Motor drive cannot process the
communication command from the keypad.
1. Verify that the keypad is properly connected
to the motor drive by a communication
cable such as RJ45.
2. Press RESET to clear the errors.
3. Shut down the system, wait for ten minutes,
and then restart the system.
If none of the above solutions work, contact
your local authorized dealer for assistance.
Communication
slave error (CK4)
Keypad
communication
data is written to
read-only address
(Keypad auto-
detect this error
and display it)
Keypad does not accept the motor drive’s
communication command.
1. Remove the keypad and reconnect it.
2. Verify if the Baud rate = 19200 bps, and the
Format = RTU8, N, 2
3. Verify if the keypad is properly connected to
the motor drive on the communication contact
by a communication cable such as RJ45.
If none of the above solution works, contact
your local authorized dealer.
Communication
error 10 (CE10)
RS-485 Modbus
transmission time-
Out
Motor drive does not respond to the
communication command from the keypad.
1. Verify that the keypad is properly connected
to the motor drive by a communication
cable such as RJ45.
2. Press RESET to clear the errors.
3. Shut down the system, wait for ten minutes,
and then restart the system.
If none of the above solutions work, contact
your local authorized dealer for assistance.
Keypad
communication
time out (CK10)
Keypad
communication
data, transmission
time-out (Keypad
auto-detect this
error and display
it).
Keypad does not accept the motor drive’s
communication command.
1. Remove the keypad and reconnect it.
2. Verify if the Baud rate = 19200 bps, and the
Format = RTU8, N, 2
3. Verify if the keypad is properly connected to
the motor drive on the communication contact
by a communication cable such as RJ45.
If none of the above solution works, contact
your local authorized dealer.
Keypad
communication
time out (CK10)
Object not
supported by
TPEditor
Keypad’s TPEditor uses an unsupported
object.
1. Verify that the TPEditor is not using an
unsupported object or setting. Delete
unsupported objects and unsupported
settings.
2. Re-edit the object in the TPEditor, and then
download it to the keypad.
3. Verify that the motor drive supports the TP
functions. If the drive does not support TP
function, the main screen displays Default.
If none of the above solutions work, contact
your local authorized dealer for assistance.
NOTE:
The warning code CExx only occurs when the communication problem is between the drive and the
keypad. It has nothing to do with the drive and other devices. Note the warning code description to find
the cause of the error if CExx appears.
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