Chapter 5 Troubleshooting DD Series

5-9 Motor is not Running

Motor cannot run

Reset after clearing fault and then RUN

Check if CE01

No

displays

 

normally

 

 

Yes

 

 

 

 

Check if there is any fault code displayed

No

Check if non-fuse breaker and magnetic contactor are ON

 

Yes

 

 

 

No

Check if input

voltage is normal

 

 

Yes

 

 

 

 

 

 

No Set them to ON

Check if any faults occur, such as Lv, PHL or disconnection

It can run when no faults occur

Input "RUN"

No

If jumper or DC

No

Use jumper

reactor is connected

command

 

 

 

 

or DC reactor

 

 

 

 

 

 

between +1 and +2/B1

 

 

by keypad

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

Yes

 

 

 

 

 

 

Press RUN key to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

check if it can run

 

 

 

 

Maybe AC motor drive has malfunction or misoperation

 

 

 

 

 

 

 

 

 

 

 

due to noise. Please contact DELTA.

 

 

 

Press UP key to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

set frequency

 

 

 

 

 

 

No

Check if the wiring

Yes

 

 

 

 

No Check if input FWD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

of terminal MI1

 

 

 

 

 

 

 

 

Change switch or relay

 

 

 

 

 

 

 

 

 

 

or REV command

 

 

 

 

and between

 

 

 

 

 

Press UP to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MI2-DCM is correct

 

 

 

 

 

 

check if motor

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

can run

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

No

No Set frequency or not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Correct connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Modify frequency

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

setting

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

if upper bound freq.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check if the parameter

 

 

 

 

 

 

 

 

 

 

 

and setting freq. is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lower than the min.

 

 

 

 

setting and wiring of

 

 

Yes

Change defective

 

 

 

 

 

 

 

 

 

output freq.

 

 

 

 

analog signal and

 

 

 

potentiometer and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

multi-step speed

 

 

 

relay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

are correct

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor has malfunction

No

If load is too large

Check if there is any output voltage from terminals U, V and W

Yes

Yes

No

Maybe AC motor drive has malfunction. Please contact DELTA.

Yes

Check if the setting of torque compensation

Yes

Check if motor connection is correct

No

Connect correctly

is correct

No

Motor is locked due to large load, please reduce load. For example, if there is a brake, check if it is released.

Increase the setting of torque compensation

5-10

Page 115
Image 115
3Com VFD-D D manual Motor is not Running

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.

In terms of connectivity options, the VFD-D D supports a variety of protocols, allowing it to seamlessly integrate with existing infrastructure. Whether through Ethernet, Fiber Channel, or wireless technologies, the device offers versatility in connecting diverse network configurations. This adaptability ensures that organizations can optimize their network setups according to their specific requirements.

The 3Com VFD-D D also boasts advanced security features designed to protect sensitive data from potential threats. With built-in encryption protocols and secure access measures, the device safeguards information while offering administrators full control over user permissions. This heightened security is especially important in today's risk-laden digital landscape, providing peace of mind for organizations entrusting their data to the network.

Moreover, the VFD-D D is designed with scalability in mind. Its modular architecture allows businesses to expand their network capabilities as needed, ensuring that the device can grow alongside their evolving requirements. This flexibility helps organizations manage costs effectively while preparing for future technological advancements.

Another characteristic that sets the 3Com VFD-D D apart is its user-friendly management interface. Administration tasks can be performed quickly and intuitively, reducing the burden on IT staff while enabling efficient network monitoring and troubleshooting. With real-time analytics and reporting capabilities, organizations can gain valuable insights into their network's performance.

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.