Rockwell Automation 1746-HSRV SLC Servo Control Module User Manual - Manual (Page 172)

Publication 1746-6.1.2 - July 2000
Troubleshooting 10-13
2051 No communication with the SLC Servo Module has
occurred within the last 5 seconds. This error causes
Estop. 1. Reset from Estop.
2. If the problem occurs again check the SLC
processor.
Note: Switching from run mode to program mode on the
SLC Servo Module also causes this error to appear.
2052 Set on power-up. Issue a Clear Fault (O:s.1/8) or a Clear all faults (O:s.1/9)
2053 SLC Servo Module requesting Estop. Turn discrete Estop request off.
2054 The user power supply is shorted or not connected. This
error causes Estop. 1. Check the user power and its connections to the
SLC Servo Module.
2. After it is fixed, reset from Estop.
2055 The user Estop string has opened. 1. Check that the device that opened the string is
functioning properly.
2. Reset from Estop.
2056 Watchdog disable jumper is installed. Remove it.
2057 The backplane is disabled.
•
The SLC Servo Module lost backplane
communications.
•
I/O reset was detected.
•
The backplane was disabled.
Major Fault
Message No. Potential Cause Possible Resolution