--- title: "Dishwashers" description: "The appliance this brand is known for, and the one we are called out to most. Bosch dishwashers dry with condensation rather than a heating element and…" url: "https://esbosch.djwp.xyz/appliances/dishwasher/" date_modified: "2026-08-21" Appliance type: "Dishwashers" --- # Dishwashers Appliance # Bosch dishwashers The appliance this brand is known for, and the one we are called out to most. Bosch dishwashers dry with condensation rather than a heating element and protect themselves with a leak sensor in the base, so two of the commonest complaints about them are the design working as intended — and two more are not. - **6** symptoms we are called out to - **From $95** diagnostic, credited to the repair - **59** cities and neighborhoods covered - **OEM** parts available on order ## Book a diagnostic visit Your model number and a line about what it is doing is enough to get started. Your details stay private. No spam, ever. The short version ## What this equipment is, for a repair Configurations 100 · 300 · 500 · 800 · Benchmark Access Planned before the visit, not discovered on arrival Parts OEM, available on order Diagnostic From $95, credited to the repair What goes wrong with it ## Symptoms we are called out to on Bosch dishwashers Each one covers the likely causes in the order they are worth checking, and what to do in five minutes before booking anything. - The most common call Dishwasher not draining Water standing in the bottom of the tub after a cycle. Two of the five causes come out by hand without tools, which makes this the symptom most worth five minutes before booking anything. Standing water after every cycle A code in the twenties, or four flashing lights Dishes clean on top, wet and gritty below [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-not-draining/) The most common call ### Dishwasher not draining Water standing in the bottom of the tub after a cycle. Two of the five causes come out by hand without tools, which makes this the symptom most worth five minutes before booking anything. - Standing water after every cycle - A code in the twenties, or four flashing lights - Dishes clean on top, wet and gritty below - Usually not a repair Dishwasher not drying Plastics coming out wet is how these machines are designed to behave, and it is the single most common reason somebody books a repair on this brand that they do not need. Glassware coming out wet is a different matter. Plastics wet, glass and steel dry Everything wet, including glass Drying noticeably worse than it used to be [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-not-drying/) Usually not a repair ### Dishwasher not drying Plastics coming out wet is how these machines are designed to behave, and it is the single most common reason somebody books a repair on this brand that they do not need. Glassware coming out wet is a different matter. - Plastics wet, glass and steel dry - Everything wet, including glass - Drying noticeably worse than it used to be - The machine may lock itself out Dishwasher leaking Water on the floor, or a machine that has stopped and refuses to start. The leak protection on these dishwashers catches water in the base before it reaches your kitchen — which is why the first sign is usually a machine that will not run rather than a puddle. Machine dead with a leak code showing Water at the front edge of the door A damp cabinet base with no visible puddle [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-leaking/) The machine may lock itself out ### Dishwasher leaking Water on the floor, or a machine that has stopped and refuses to start. The leak protection on these dishwashers catches water in the base before it reaches your kitchen — which is why the first sign is usually a machine that will not run rather than a puddle. - Machine dead with a leak code showing - Water at the front edge of the door - A damp cabinet base with no visible puddle - Film, grit or dishes still dirty Dishwasher not cleaning properly Dishes coming out gritty, cloudy or with food still on them. In a hard-water city a good share of this is scale and detergent rather than a failed part — and the machine will eventually tell you so with a code of its own. Grit left in glasses and cups A white film on everything Food still on the lower rack [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-not-cleaning/) Film, grit or dishes still dirty ### Dishwasher not cleaning properly Dishes coming out gritty, cloudy or with food still on them. In a hard-water city a good share of this is scale and detergent rather than a failed part — and the machine will eventually tell you so with a code of its own. - Grit left in glasses and cups - A white film on everything - Food still on the lower rack - Often the door, not the machine Dishwasher will not start A machine that does nothing, starts and stops, or lights up and never fills. Door and power account for most of these, and both are worth checking before anything is booked. No lights at all Lights on but nothing happens Starts, then stops within a minute [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-wont-start/) Often the door, not the machine ### Dishwasher will not start A machine that does nothing, starts and stops, or lights up and never fills. Door and power account for most of these, and both are worth checking before anything is booked. - No lights at all - Lights on but nothing happens - Starts, then stops within a minute - Almost always maintenance Dishwasher smells A smell when the door opens, or one that arrives on the dishes. Rarely a repair, usually a filter, and occasionally a drain hose installed in a way that lets the sink back into the machine. A stale smell when the door opens A smell that transfers to clean dishes Worse after the machine sits unused [ What it usually means ](https://esbosch.djwp.xyz/symptoms/dishwasher-smells/) Almost always maintenance ### Dishwasher smells A smell when the door opens, or one that arrives on the dishes. Rarely a repair, usually a filter, and occasionally a drain hose installed in a way that lets the sink back into the machine. - A stale smell when the door opens - A smell that transfers to clean dishes - Worse after the machine sits unused What we do on it ## Repairs we carry out on Bosch dishwashers Starting figures for this equipment in South Florida. The exact cost is confirmed after an on-site diagnostic — and this is not the whole list of what can go wrong, so call if your problem is not here. - from $95 Diagnostic visit We read the code, reproduce what the appliance is doing, and check the cheap causes before anything expensive is proposed. The fee is credited toward the work when you go ahead. Codes read and reproduced on site The inexpensive causes checked first Credited toward the repair [ What this involves ](https://esbosch.djwp.xyz/services/diagnostic-visit/) from $95 ### Diagnostic visit We read the code, reproduce what the appliance is doing, and check the cheap causes before anything expensive is proposed. The fee is credited toward the work when you go ahead. - Codes read and reproduced on site - The inexpensive causes checked first - Credited toward the repair - from $145 Dishwasher drain repair Standing water in the tub, and the biggest single category of call this brand generates. The filter and the drain pump cover come out by hand — a good share of these are finished before a part is ordered. Filter, pump cover, hose and air gap Drain pump replacement where it is the pump Tested on a full cycle before we leave [ What this involves ](https://esbosch.djwp.xyz/services/dishwasher-drain-repair/) from $145 ### Dishwasher drain repair Standing water in the tub, and the biggest single category of call this brand generates. The filter and the drain pump cover come out by hand — a good share of these are finished before a part is ordered. - Filter, pump cover, hose and air gap - Drain pump replacement where it is the pump - Tested on a full cycle before we leave - from $165 Dishwasher leak repair Water where it should not be, and a machine that has locked itself out over it. The leak protection on these dishwashers is a sensor in the base pan, and once it has tripped the machine will keep refusing to run until the cause is gone. Base pan sensor and the lockout Door seal, sump and hose connections Dried out and re-tested before sign-off [ What this involves ](https://esbosch.djwp.xyz/services/dishwasher-leak-repair/) from $165 ### Dishwasher leak repair Water where it should not be, and a machine that has locked itself out over it. The leak protection on these dishwashers is a sensor in the base pan, and once it has tripped the machine will keep refusing to run until the cause is gone. - Base pan sensor and the lockout - Door seal, sump and hose connections - Dried out and re-tested before sign-off - from $220 Dishwasher heating & drying repair Cold water, cold dishes, or a cycle that never finishes. This is the one to read after the page explaining that wet plastics are normal — because everything coming out wet, or coming out dirty, is not. Heat pump and heating circuit The mineral drying system on upper series Glassware wet, not just plastics [ What this involves ](https://esbosch.djwp.xyz/services/dishwasher-heating-and-drying-repair/) from $220 ### Dishwasher heating & drying repair Cold water, cold dishes, or a cycle that never finishes. This is the one to read after the page explaining that wet plastics are normal — because everything coming out wet, or coming out dirty, is not. - Heat pump and heating circuit - The mineral drying system on upper series - Glassware wet, not just plastics - from $310 Control board replacement The repair we most want to rule out before doing. A board is the expensive part on most of this equipment, and a good share of the symptoms that point at one turn out to be a sensor, a harness or a power supply instead. Confirmed before it is condemned Power supply and harness checked first OEM boards on order against the model [ What this involves ](https://esbosch.djwp.xyz/services/control-board-replacement/) from $310 ### Control board replacement The repair we most want to rule out before doing. A board is the expensive part on most of this equipment, and a good share of the symptoms that point at one turn out to be a sensor, a harness or a power supply instead. - Confirmed before it is condemned - Power supply and harness checked first - OEM boards on order against the model - from $145 Maintenance & descaling The visit that stops the other pages happening. In a city with hard water and a lot of heat, descaling a dishwasher and cleaning a condenser are not housekeeping — they are the two cheapest repairs on this site, done early. Dishwasher descaling before it costs the heat pump Condenser and coil cleaning Filters across the whole kitchen and laundry [ What this involves ](https://esbosch.djwp.xyz/services/appliance-maintenance/) ### Maintenance & descaling The visit that stops the other pages happening. In a city with hard water and a lot of heat, descaling a dishwasher and cleaning a condenser are not housekeeping — they are the two cheapest repairs on this site, done early. - Dishwasher descaling before it costs the heat pump - Condenser and coil cleaning - Filters across the whole kitchen and laundry - from $185 Installation & re-fitting Fitting a replacement into an opening that was built for something else, stacking a laundry pair, or putting right an installation that has been causing problems since day one. A surprising share of what looks like a broken appliance is an appliance installed badly. Built-in openings, panels and trim Stacked laundry and closet installs Correcting installations that never worked [ What this involves ](https://esbosch.djwp.xyz/services/appliance-installation/) from $185 ### Installation & re-fitting Fitting a replacement into an opening that was built for something else, stacking a laundry pair, or putting right an installation that has been causing problems since day one. A surprising share of what looks like a broken appliance is an appliance installed badly. - Built-in openings, panels and trim - Stacked laundry and closet installs - Correcting installations that never worked In more detail ## About Bosch dishwashers ### Condensation drying is a design, not a failure A Bosch dishwasher has no exposed heating element in the tub. The final rinse leaves the load hot, the stainless steel walls are cooler than the dishes, and the moisture moves to the walls and runs down. It is quieter, it is gentler on stemware, and it will not melt a lid that slipped off the rack — and it dries plastic poorly, because plastic does not hold enough heat to drive its own water off. The upper series add a mineral chamber that gives off heat as it takes on moisture, which closes most of that gap. We say this before anything else because it is the single most common reason somebody books a dishwasher repair here and does not need one. ### What actually goes wrong - **It will not drain.** The filter, then the drain pump cover, then the hose and the air gap. This is the biggest single category and a good share of it is not a repair at all. - **The leak protection has tripped.** Water in the base pan, the machine locked out, and a code on the display or a pattern of flashing lights on a model without one. - **Limescale.** South Florida water is hard, and the machine will eventually say so. Left long enough it costs the heat pump rather than the descaler. - **The door.** Latch, sensor, springs and the hinge cables — a door that has stopped closing squarely takes the cycle with it. ### Panel-ready units are a different appointment A custom-panel machine wears your cabinetry on its door, which changes how it comes out and how carefully it goes back. So does an 18-inch unit squeezed into a galley kitchen. Tell us which you have when you book — it decides how long we plan for, and it is the difference between one visit and two. This article is based on: - Official manufacturer documentation - Internal repair procedures - Technician repair history - Company quality standards Before you book ## Questions about bosch dishwashers Almost certainly not. There is no exposed heating element in the tub — the cycle finishes hot and the moisture condenses on the stainless steel walls, which works beautifully on glass and steel and hardly at all on plastic. Models with the mineral drying system do better. If everything is wet, including the glassware, that is a different story and worth a look. The sensor in the base has found water and shut the machine down deliberately. Turn the water supply off at the valve under the sink. The leak itself can be anything from a tired door seal to a cracked sump, and the machine will keep refusing to run until the base is dry and the cause is gone. Start with the filter and the drain pump cover — both come out by hand, and between them they explain most of it. If the machine has also started showing a code in the twenties, or four lights flashing, it is telling you the same thing. 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