Delta VFD-ED Series User Manual

Chapter 9 Digital KeypadVFD-ED
9-21
LCD Display Warning Name Description Corrective Actions
Communication data
error (CK3)
Keypad communication
data, illegal data value
(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 solutions works,
contact your local authorized dealer.
Communication error 4
(CE4)
RS-485 Modbus
data is
written to read-only
address
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.
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 solutions works,
contact your local authorized dealer.
Communication error
10 (CE10)
Modbus transmission
time-Out
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
communication time
out (CK10)
Digital keypad
transmission time-out
(The keypad
automatically detects
and shown this
warning)
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.

Delta VFD-ED Series Specifications

General

Brand	Delta
Model	VFD-ED Series
Category	DC Drives
Language	English