Ndrive QL Hardware Manual
Troubleshooting
Chapter 3: Maintenance
D A N G E R : For your own safety and for the safety of the equipment, do not remove the cover
of the Ndrive QL or attempt to access its internal components.
There is no reason to remove the cover or access the internal components. The QL does not have any user-
configurable switches or jumpers. Internal fuses are not user-replaceable.
N O T E :
Having to replace a fuse indicates a more serious problem with the system or setup; consult
Aerotech for assistance.
Table 3-1:
LED Description
LED
Description
PWR
Turns green when power is applied.
ENB/FLT
Turns Red during initial system start-up for approximately 20 seconds then
Green: Piezo is being controlled (Open or Closed Loop)
Red: Fault Condition
Off: Piezo is not actively controlled
Table 3-2:
Troubleshooting
Symptom
Possible Cause and Solution
No Communication
Make sure the power LED is illuminated (this indicates that AC power is
present).
Make sure the FireWire cables are fully inserted in the port.
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Chapter 3
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