Preparations Before Start-Up; Chapter 3 Start Up - Delta VFD-B User Manual

3.1 Preparations before Start-up

Carefully check the following items before proceeding.
Make sure that the wiring is correct. In particular, check that the output terminals U, V, W.
are NOT connected to power and that the drive is well grounded.
Verify that there are no short-circuits between terminals and from terminals to ground or
mains power.
Check for loose terminals, connectors or screws.
Verify that no other equipment is connected to the AC motor
Make sure that all switches are OFF before applying power to ensure that the AC motor
drive doesn't start running and there is no abnormal operation after applying power.
Make sure that the front cover is correctly installed before applying power.
Do NOT operate the AC motor drive with humid hands.
Check the following items after applying power:
- The keypad should light up as follows (normal status with no error)
F
H
U
RUN
JOG
- If the drive has built-in fan (2.2kW and above) it should run. The factory setting of
Fan Control Pr.03-12=00 (Fan always on).
Revision July 2008, BE16, SW V4.08 & V5.00
VFD-PU01
STOP FWD
JOG REV
STOP
RUN
RESET
When power is ON, LEDs "F", "STOP" and
"FWD" should light up. The display will
show "60.00" with the least signification "0"
flashing.

Chapter 3 Start Up

3-1