Delta EB3000 Series User Manual page 112

LCD Display Warning Name
Communication data
error (CK3)
Communication error 4
(CE4)
Communication slave
error (CK4)
Communication error
10 (CE10)
Keypad
communication time
out
(CK10)
Description
Keypad communication
data, illegal data value
(Keypad auto-detect
this error and display it)
RS-485 Modbus data is
written to read-only
address
Keypad communication
data is written to read-
only address (Keypad
auto-detect this error
and display it)
Modbus transmission
time-Out
Digital keypad
transmission time-out
(The keypad
automatically detects
and shown this
warning)
5-21
Chapter 5 Operation InterfaceEB3000
Corrective Actions
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 solutions works,
contact your local authorized dealer.
Motor drive cannot process the
communication command sent 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 works,
contact your local authorized dealer for
assistance.
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 solutions works,
contact your local authorized dealer.
Motor drive does not respond to the
communication command sent 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 works,
contact your local authorized dealer for
assistance.
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 solutions works,
contact your local authorized dealer.