Front load washers can develop a odor inside the machine over time. The question is why ? There are a couple of reasons. 1) Using to much he detergent. Use less, always use measuring cup that comes what the detergent of your choice. Never pour it into the washing machine dispenser using the measuring increments. You are using to much detergent by these guide lines. Experiment, it is allows better to use to little than to much. 2) When ever your machine is not in use or just after use leave the door open.