73D3		4

	Code undefined
	The controller attempted to execute an unexpected command. The following possible reasons are considered. 1. If teaching was done with a personal computer, perhaps WINCAPSII and the controller version do not match. 2. The controller attempted to execute unsupported commands. 3. Data in the controller was somehow corrupted.
	Case 1: Replace the version with the right one. Case 2: Do not manually execute unsupported commands. Case 3: Turn OFF the power switch on the controller and restart the operation.