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48 Rockwell Automation Publication 150-QS003D-EN-P - November 2013
Chapter 4 Operation and Troubleshooting
2. Press the "HOLD TO TEST / PUSH TO RESET" push button, located
on the front of the controller, for ten seconds with the motor stopped.
During the next start cycle, the tuning process will occur. The controller's
status LED will flash amber indicating that Tuning will occur on the next
start cycle.
3. When the controller processes a "Load Factory Defaults" command via
Parameter Management, Parameter 229.
NOTE: If a motor that is smaller or larger than normal is used for initial system
test, a motor tuning cycle must be performed on the motor used in the final
installation.
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 20 - Corresponding LED Color and Fault Conditions
The HOLD TO TEST, PUSH TO RESET button provides the ability to reset
an alarm/fault, test for a fault condition, and initiate the tuning mode.
Table 21 - Function Initiation of the HOLD TO TEST, PUSH TO RESET Button
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
➊
➊
The motor must be stopped.