Allen Bradley PLC PWM (Pulse Width Modulation) error codes Following Table Shows PWM instruction Error Codes with Description. Error Code Error Name Description -2 OverlapError An output overlap is detected. Multiple functions are assigned to the same physical output. This is a configuration error. The controller faults and the User Fault Routine does not execute. -1 Output Error An invalid output has been specified. Output 2 and output 3 are the only valid choices. this is a configuration error. The controller faults and the User Fault Routine does not execute. 0 Normal 0=No error 1 HardstopError This error is detected whenever a hardstop is detected. This error does not fault the controller. It is automatically cleared when the hardstop condition is removed. 2 OutputForced Error The configured PWM output (2 or 3) is currently forced. The forced condition must be remov...