Allen-Bradley SMC-50 Quick Start

Rockwell Automation Publication 150-QS003E-EN-P - April 2017 31
Operation and Troubleshooting Chapter 3
Troubleshooting with
Diagnostic LEDs
Controller LED Status Indicator
The SMC-50 controller’s multi-color LED Status Indicator and HOLD TO
TEST, PUSH TO RESET button are located below the HIM bezel port. The
Status LED indicates the status and fault conditions of the SMC-50 controller.
Table 13 - Corresponding LED Color and Fault Conditions
The HOLD TO TEST, PUSH TO RESET button lets you reset an alarm/
fault, test for a fault condition, and initiate the tuning mode.
Table 14 - Function Initiation of the HOLD TO TEST, PUSH TO RESET Button
Troubleshooting with
Monitoring Equipment
The SMC-50 controller has built-in detailed diagnostics fault codes and
metering functions. You can access these fault codes and metering functions
through a local 20-HIM-A6 or remote 20-HIM-C6S module or by using a
Rockwell Automation Drive Software package such as Connected
Components Workbench™ software.
Troubleshooting By Fault
Code — Abbreviated Listing
The following table contains an abbreviated listing of fault codes available. For
a complete troubleshooting list, fault codes, descriptions, and tips, see the
SMC-50 controller user manual, publication 150-UM011
.
Status LED Color Device Mode SMC Status
Green Running Running without an alarm
Green/Amber Running Running with an alarm
Green Flashing Ready Ready (no inhibit and no fault) without an alarm
Amber Flashing Ready Ready (no inhibit and no fault) with tuning enabled on
the next start
Amber Ready Ready with alarm (no tuning enabled)
Red/Amber Inhibit Inhibited; cannot start due to a Stop command
Red Faulted A non-resettable fault has occurred
Red Flashing Faulted A resettable fault has occurred
Red/Green Download Firmware is being downloaded
Function Time Required to Press Button
Fault Reset Momentary (less than 2 seconds)
Test Fault Greater than 3 seconds, but less than 10 seconds
Initiate Tuning Mode
Greater than 10 seconds
(1)
(1) The motor must be stopped.

Allen-Bradley SMC-50 Specifications

General

Brand	Allen-Bradley
Model	SMC-50
Category	Controller
Language	English