I have an LG WM2487 Front Load Steam Washer that is approximately 4 years old. Recently when adding bleach to the dispensing tray, it doesn't disperse thru the cycle. When the cycle is completed, the bleach is still full in its compartment. I've tried various cycles and all have the same results. The only time I can flush the bleach thru is putting the washer in Tub Clean mode. I've tried the basic troubleshooting that the manual says, like cleaning out the dispensing tray, running a Tub Clean cycle, etc. The problem must lie elsewhere (maybe electronic?). I would appreciate any suggestions to get this to work properly again.