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ALTIVAR 16 Drive Controller
Diagnostics
50006-360-01B
July 1996
DIAGNOSTICS
The LEDs on front of the ALTIVAR 16 drive controller indicate several states (see
Figure 17).
Red LED
Illuminated: fault
Green LED
Not illuminated: no power to the drive
Green LED
Illuminated: drive powered, DC bus ≥ 50 V
Figure 17
LED States
Fault Storage
When a fault occurs:
❏ The first fault detected is stored if mains voltage is maintained.
❏ The fault relay opens.
To reset the fault:
❏ Remove power from the drive controller.
❏ Before switching power back on, identify and correct the cause of the fault.
❏ Restore power. This will reset the fault if it has been corrected.
Note: Display/adjustment options VW3-A16101 and VW3-A16102 display the
fault codes.
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