Allen-Bradley MicroLogix 1000 User Manual

T roubleshooting Your System
14–3
When an Error Exists
If an error exists within the controller, the controller LEDs operate as described in
the following tables.
The
Following
Error Exists
Probable Cause Recommended Action
No input
No Line Power
Verify proper line voltage and connections to the
controller.
power or
power supply
error
Power Supply
Overloaded
This problem can occur intermittently if power
supply is overloaded when output loading and
temperature varies.
The
Following
Error Exists
Probable Cause Recommended Action
Hardware
f
Processor Memory
Error
Cycle power. Contact your local Allen-Bradley
representative if the error persists.
f
aulted
Loose Wiring Verify connections to the controller.
If the LEDs indicate:
FAULT
FORCE
POWER
RUN
If the LEDs indicate:
FAULT
FORCE
ÉÉ
É
É
ÉÉ
É
POWER
RUN
É
ÉÉ
Troubleshooting
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Allen-Bradley MicroLogix 1000 Specifications

General

Communication Ports	RS-232
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Manufacturer	Allen-Bradley
Category	Controller
Series	MicroLogix
Programming Language	Ladder Logic
Input Voltage	24V DC or 120/240V AC
I/O Points	10 to 32 points
Processor Type	8-bit
Operating Temperature	0…55 °C (32…131 °F)
Processor	8-bit