under counter ice machine

ice machine making cloudy ice. drained all water and removed cutter grid and found machine needed cleaning bad. cleaned conderser and removed all grit and grime from system.. restarted machine and made two cycles of ice and now have clear sheet of ice..put all parts back togerther and now machine stuck in defrost cycle with water coming in and overflowing to drain then it stops for few seconds and goes back to water coming in If i place in clean cyle circulatilng pump comes on and circulates water. start on on postiltion and water comes in and that is all. what happened to regular cycle.

:(what about thermister