Chapter 3 Keypad And Start-Up; Operation Method; Keypad Descriptions - Delta Electronics VFD-DD Series User Manual

Chapter 3 Keypad and Start-up

3-1 Operation Method

3-2 Keypad Descriptions

Make sure that the wiring is correct. In particular, check that the output terminals
U/T1, V/T2, W/T3 are NOT connected to power and that the drive is well grounded.
Verify that no other equipment is connected to the AC motor
Do NOT operate the AC motor drive with humid hands.
Verify that there are no short-circuits between terminals and from terminals to
ground or mains power.
Check if all connections are proper, there should be no loose terminals, connectors
or screws.
Make sure that the front cover is well installed before applying power.
When AC motor drive and motor are not function properly, stops operation
immediately and follow malfunction diagnosis to verify the reason of fault. Do not
touch U/T1, V/T2, W/T3 before the main power L1, L2 are turned off or electric
shock may occur.
Chapter 3 Keypad and Startup |DD Series
3-1