I've had this washer about 3 years and have been using the same detergent and everything, the past few weeks I keep getting error codes, nd and suds. I've cleared the codes and then the washer works fine, then they come back...I really can't afford a tech to come out. Any suggestions??

Washing Machines - Samsung - 3.9 cu. ft. VRTTM Steam and PowerFoam Front Load Washer