
22 13435743_EDBM301_v14.0
12 INITIAL POWER UP
WARNING!
Hazard of electrical shock! Disconnect incoming power and wait
three minutes before servicing the drive. Capacitors retain charge
after power is removed.
Before attempting to operate the drive, motor, and driven equipment be sure all procedures
pertaining to installation and wiring have been properly followed.
WARNING!
Severe damage to the drive can result if it is operated after a long
period of storage or inactivity without reforming the DC bus capacitors!
If input power has not been applied to the drive for a period of time exceeding three
years (due to storage, etc), the electrolytic DC bus capacitors within the drive can change
internally, resulting in excessive leakage current. This can result in premature failure of
the capacitors if the drive is operated after such a long period of inactivity or storage.
In order to reform the capacitors and prepare the drive for operation after a long period
of inactivity, apply input power to the drive for 8 hours prior to actually operating the
drive/motor system.
Disconnect the driven load from the motor. Verify that the drive input terminals (L1, L2,
and L3) are wired to the proper input voltage per the nameplate rating of the drive.
WARNING!
Do NOT connect incoming AC power to output terminals T1, T2 or
T3. Severe damage to the drive will result.
Energize the incoming power line. The LCD display should light and flash “TESTING”
and then show the voltage and horsepower rating of the drive. The display should then
show “STOP 20.00 HZ” which indicates that the drive is in a STOP condition, and the
speed setpoint is 20.00 Hz:
STOP > 20.00 HZ
If the display does not appear, remove the incoming power, wait three minutes for the bus
capacitors to discharge, and verify correct installation and wiring. If the wiring is correct,
re-apply incoming power and note the display for drive status. If the display still does not
appear call the factory for assistance.
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