Fault Codes and Descriptions DD Series | 3Com VFD-D D instruction

Chapter 6 Fault Codes and Descriptions DD Series

Display	Description

Emergency stop

Password is locked

Illegal communication code

Illegal data length

Illegal data value

Illegal communication address

Communication time-out

It occurs when COM1 communication time-out exceeds Pr.09-03 or when COM2 communication time-out exceeds Pr. 09-07

Keypad (KPV-CE01) communication time-out

It occurs when the source command is digital keypad, and COM1 communication time-out exceeds Pr.09-03 and COM2 communication time-out exceeds Pr.09-07

Corrective Actions

1.When multi-function input terminals MI1~MI5 are set to emergency stop, the AC motor drive will stop output.

2.After fault is cleared, press RESET.

1.Keypad will be locked after three wrong password inputs.

2.Please refer to the setting in Pr.00-06 and Pr.00-07.

3.Re-apply the power and input the right password.

Check if the communication code is correct (function code must be 03, 06, 10, 63)

Check if the communication data length is correct (00H~254H).

Check if the data value exceeds its minimum and maximum value.

Check if the communication address is correct.

Check if the wiring for the communication is correct.

1.Check if the wiring for the communication is correct

2.Check if there is any wrong with the keypad

6-5

VFD-D D specifications

The 3Com VFD-D D is an advanced networking solution designed to meet the demands of modern communication and connectivity. As part of 3Com's extensive portfolio of networking products, this device stands out due to its robust features, innovative technologies, and characteristics that cater to various enterprise environments.

One of the main features of the 3Com VFD-D D is its high-speed data processing capability. Operating at speeds that comfortably support high-bandwidth applications, the device is equipped to handle a multitude of simultaneous connections without compromising performance. This makes it an ideal choice for businesses where consistent, fast access to data is critical.

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Overall, the 3Com VFD-D D combines speed, security, and scalability in a single device, making it a powerful addition to any enterprise network. Its advanced features and technologies are tailored to support the dynamic needs of modern businesses, ensuring reliable performance and robust connectivity in an increasingly interconnected world.

3Com VFD-D D manual Fault Codes and Descriptions DD Series

Models: VFD-D D

Chapter 6 Fault Codes and Descriptions DD Series

VFD-D D specifications