User Guide

36
11 DRIVE OPERATION
11.1 Start-Up Procedure –
After the drive has been properly setup (jumpers and trimpots set to
the desired positions) and wiring completed, the startup procedure can begin. If the AC power
has been properly brought to the drive, the power (PWR) LED will be illuminated green. The
status (ST) LED will indicate drive status, as described in Section 11.2. To remove and install
the Finger-Safe Cover, see Section 5, on pages 22 and 23.
11.2 Fault Recovery – The drive monitors four faults (Undervoltage, Overvoltage, Short Circuit at
the motor (phase-to-phase), I
2
t). Table 3, describes how the drive will automatically start (fac-
tory setting) after the fault has cleared.
Application Note: In Manual Start Mode, the drive must be manually reset for any fault.
Use the Manual Start Switch, as described in Section 9.6, on pages 33 and 34. Also see
Section 12.2, on pages 37 and 38.
*The fault must be cleared before the drive can be reset.
Fault Automatic Start Mode (Factory Setting)
Undervoltage
Drive will automatically start after the bus voltage returns to the operational level or when the
drive is first turned on (power up).
Overvoltage Drive will automatically start after the bus voltage returns to the operational level.
Short Circuit Drive will automatically start after the short circuit is removed.
I
2
t
Drive must be manually restarted.
TABLE 3 – FAULT RECOVERY AND RESETTING THE DRIVE*