Delta Electronics AC Motor Drive VFD-E - Manual (Page 50)

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 3-1
Chapter 3 Keypad and Start Up
„ 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 drive
„ Do NOT operate the AC motor drive with humid hands.
„ Please check if READY LED is ON when power is applied. Check if
the connection is well when option from the digital keypad KPE-
LE02.
„ It should be stopped when fault occurs during running and refer to
“Fault Code Information and Maintenance” for solution. Please do
NOT touch output terminals U, V, W when power is still applied to
L1/R, L2/S, L3/T even when the AC motor drive has stopped. The
DC-link capacitors may still be charged to hazardous voltage
levels, even if the power has been turned off.
3.1 Keypad
There are three LEDs on the keypad:
LED READY: It will light up after applying power. The light won’t be off until the capacitors are
discharged to safe voltage levels after power off.
LED RUN: It will light up when the motor is running.
LED FAULT: It will light up when fault occurs.