Frigidaire dishwasher displaying code i40 = Clogged filters or drain line plugs or pinches. CHECK TO BE SURE DRAIN LINE IS NOT CLOGGED. Try a reset by pressing the High-Temp and Start-Cancel buttons on the dishwasher and hold them for about 10 seconds.-RR. Larissa. August 3, 2016 at 11:30 pm.. This is a guide on what Frigidaire Dishwasher error codes mean. Starting with Error Code HO: This code stands for what is called heat delay, or low water temps.
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Familiarity with Frigidaire dishwasher trouble codes allows you to take immediate action, ensuring your appliance operates smoothly. This proactive approach not only maintains the dishwasher's performance but also extends its lifespan, making it a valuable investment in your kitchen.. Frigidaire Dishwasher Diagnostic Mode. Remember, you need to put your Frigidaire dishwasher on diagnostic mode to identify hidden faults that could indicate a possible fault. Here are the steps to do it: Locate the High-Temperature and Start/Cancel buttons and press them simultaneously