--- title: "Dishwasher not draining" description: "Bertazzoni dishwasher not draining: water standing over the filter plate at the end of a cycle, or a machine that stops part-way." url: "https://bertazzonimiami.support/symptoms/dishwasher-not-draining/" date_modified: "2026-08-27" Appliance type: "Dishwashers" --- # Bertazzoni dishwasher not draining ### The fastest diagnosis is the code Write the code down before you clear it, then lift the filter out, rinse it and look in the sump underneath. Glass, a fruit sticker or a bone chip is what actually blocks these. Then look under the sink: a drain hose crushed behind a bin, or a garbage disposal fitted without its knockout plug removed, produces this exact symptom and is not the dishwasher at all. ### The one machine here with a code table Almost nothing else this maker builds reports an error. Its dishwashers do, and that makes them the most diagnosable appliance on this site. Record the code exactly, including the letter, and note whether it survives a power cycle at the breaker. It is worth more than any description. ### Outside in, not inside out Filter, sump, hose, disposal, then pump. That order is deliberate: a drain pump is a part and a fitting charge, a knockout plug is two minutes, and they present identically. Working from the outside in is what keeps the second from being billed as the first. The filter and the sump Visible with the filter in your hand, free to clear, and the answer often enough that it is worth doing before you call. The drain hose Crushed behind a bin under the sink, kinked, or without the high loop that stops the sink draining back into the machine. A disposal knockout plug never removed A classic, and entirely outside the appliance. If a garbage disposal was fitted after the dishwasher, this is worth checking first. The drain pump Real, and last — because a pump replaced with a blocked hose still attached is a repeat visit rather than a repair. The control not commanding the drain Rare, and only after the path is proven clear. The code usually distinguishes this from a blockage. Record the code first Clearing it destroys the one piece of evidence the machine gave you. Filter out, sump inspected Five minutes, no tools, and sometimes the whole answer. Look under the sink Hose crushed, hose kinked, high loop gone, disposal plug still in. Does the sink drain normally A blocked kitchen drain will stop a dishwasher and has nothing to do with it. The code, then the filter What it usually means Water covering the filter at the end of a cycle A cycle that stops part-way A code that returns as soon as it fills The fastest diagnosis is the code Write the code down before you clear it, then lift the filter out, rinse it and look in the sump underneath. Glass, a fruit sticker or a bone chip is what actually blocks these. Then look under the sink: a drain hose crushed behind a bin, or a garbage disposal fitted without its knockout plug removed, produces this exact symptom and is not the dishwasher at all. The one machine here with a code table Almost nothing else this maker builds reports an error. Its dishwashers do, and that makes them the most diagnosable appliance on this site. Record the code exactly, including the letter, and note whether it survives a power cycle at the breaker. It is worth more than any description. Outside in, not inside out Filter, sump, hose, disposal, then pump. That order is deliberate: a drain pump is a part and a fitting charge, a knockout plug is two minutes, and they present identically. Working from the outside in is what keeps the second from being billed as the first. ### How much water in the bottom is normal? A small amount in the sump is normal and by design — it keeps the seal wet. A pool covering the filter plate is not. The filter plate is the line: water above it at the end of a cycle wants looking at. ### The code came back straight away after I cleared it. That is useful and worth telling us. A code that stays away for days is a different situation from one that returns on the next fill — the second means the machine is detecting the same condition immediately, which points at the drain path rather than at an intermittent sensor. ### It drains but slowly. Usually a partial restriction rather than a failed pump: a filter that has not been out in a year, a hose with build-up, or a high loop that has slipped. Slow draining is the cheap stage of the problem that later presents as no draining at all, and it is worth reporting then. --- **[Read full article: Dishwasher not draining](https://bertazzonimiami.support/symptoms/dishwasher-not-draining/)**