Specifications

26
12.0 INITIAL POWER UP
Before attempting to operate the drive, motor, and driven equipment be sure all procedures
pertaining to installation and wiring have been properly followed.
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.
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:
Warning
Hazard of electrical shock! Wait three minutes after disconnecting incoming power
before servicing the drive. Capacitors retain charge after power is removed.

Warning
Severe damage to the drive can result if operated after long periods of storage or
inactivity without reforming the DC bus capacitors!

Warning
DO NOT connect incoming AC power to output terminals T1, T2, and T3! Do not
cycle input power to the drive more than once every two minutes. This will result in
damage to the drive.
