Allen-Bradley SLC 500 1747-L20 Instrucciones De Instalación página 13

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POWER
PC RUN
CPU FAULT
FORCED I/O
BATTERY LOW
Error Type:
Inadequate
System Power
Refer to the following key to determine the status of the LED indicators:
Indicates the LED is off.
Indicates the LED is on.
Indicates the LED is flashing
SLC 500™ Fixed Hardware Style Controllers
Probable Cause Recommended Action
No Line Power Verify proper line voltage and
connections on the power terminals.
Power Supply 1. Check for the proper incoming
Fuse Blown
2. Check the incoming power fuse.
Power Supply This problem can occur intermittently if
Overloaded 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 connections.
Replace the fuse. (See page 9 for
fuse location) If fuse blows again,
replace the fixed controller.
Publication 1747-IN008B-MU-P
13