SLC 500™ Fixed Hardware Style Controllers
13
Publication 1747-IN008B-MU-P
Probable Cause Recommended Action
No Line Power
Verify proper line voltage and
connections on the power terminals.
Power Supply
Fuse Blown
1. Check for the proper incoming
power connections.
2. Check the incoming power fuse.
Replace the fuse. (See page 9 for
fuse location) If fuse blows again,
replace the fixed controller.
Power Supply
Overloaded
This problem can occur intermittently if
power supply is lightly overloaded
when output loading and temperature
varies. If you are using a 2-slot chassis,
verify the compatibility of the modules
to prevent overloading the backplane
power.
POWER
PC RUN
CPU FAULT
FORCED I/O
BATTERY LOW
Error Type:
Inadequate
System Power
Indicates the LED is off.
Indicates the LED is on.
Indicates the LED is flashing
Refer to the following key to determine the status of the LED indicators:
Summary of Contents for SLC 500 1747-L20
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