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Hardware Manual
Chapter 3: Maintenance
In general, you should not have a reason to remove the cover or access the internal components.
The SI4 does not have any user-configurable switches or jumpers. Internal fuses are not user-
replaceable.
IMPORTANT: For your own safety and for the safety of the equipment:
Do not remove the cover of the SI4
l
Do not attempt to access the internal components.
l
A fuse that needs to be replaced indicates that there is a more serious problem with
the system or setup. Contact Global Technical Support for assistance.
Table 2-24:
LED Description
LED
PWR
ENB/FLT
Table 2-25:
Troubleshooting
Symptom
No Communication
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Description
Color
The light will illuminate and remain illuminated while power
GREEN
is applied.
GREEN
Any of the axes are Enabled.
RED
Any of the axes are in a Fault Condition.
Any of the axes are Enabled in a Fault Condition.
GREEN/RED
or
(alternates)
The light is configured to blink for setup.
Possible Cause and Solution
Make sure the power LED is illuminated (this indicates that power is
present).
Make sure that all communication cables (HyperWire, for example) are fully
inserted in their ports.
SI4
51
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