Dishwashing
Dishwasher Repair in Pittsburgh
When a dishwasher leaves dirty water or gritty dishes behind, the fault is usually somewhere on the water's route in or out. We trace that route, then quote the repair for you to approve.
Prefer to type? Put the dishwasher's model number in the form, and we can look up parts ahead of time.
Two quick steps: what's wrong and where you are. We'll be in touch to set a time.
How a dishwasher cleans, and where it goes wrong
A dishwasher uses surprisingly little water. The inlet valve lets in a measured amount, the wash pump recirculates that same water through the spray arms during each wash and rinse, a heater or the incoming hot water brings it up to temperature, and a drain pump sends it out through a hose that loops up high before reaching the sink drain or disposal. A float or pressure sensor keeps the fill in check.
Cleaning depends on everything along that route: enough water coming in, clean filters, free-spinning arms, working heat, and detergent released at the right moment. Drainage depends on a clear filter, a working pump, and a drain connection that isn't blocked. After a new disposal is installed, the knockout plug inside its dishwasher inlet has to be removed, or the dishwasher won't drain at all.
Newer machines add turbidity sensors, leak detection in the base pan and electronic door latches, all of which can stop a cycle and post a code.
- Standard built-in
- Panel-ready
- Dishwasher drawers
- Third-rack models
- Compact 18-inch
- Portable
Dishwasher symptoms and their causes
What's going wrong, and the likely reasons. Several of these start with a filter that just needs cleaning.
- Water standing in the bottom
- Clogged filter, blocked drain hose or air gap, disposal knockout plug still in, clogged disposal, failed drain pump
- Dishes coming out gritty or filmy
- Dirty filter, spray arm holes clogged with scale, low water temperature, circulation pump weak, detergent not releasing
- Won't fill, or hums and stops
- Supply valve closed or failing, inlet screen clogged, inlet valve, float stuck up
- Water on the floor
- Door gasket, leaking pump seal or hose clamp, oversudsing from the wrong detergent, cracked tub, a loose supply fitting
- Dishes still wet at the end
- Rinse aid empty, heater or vent fan failure on models that use them, plastics that naturally hold water
- Won't start, lights blink
- Door latch or switch, leak sensor tripped by water in the base, control board, child lock
- Grinding or loud humming
- Glass or a pit in the pump, worn pump or motor bearing
Safe checks before calling
- Clean the filter. On most current models it twists out of the floor of the tub. Rinse it under the tap and scrub the fine mesh.
- Pop off the spray arms if they unclip and clear their holes with a toothpick.
- Before you press start, let the sink tap run hot. In an older house the water heater may be two floors down, and the first gallon is cold.
- New garbage disposal? Its dishwasher port ships sealed with a knockout plug, and if the installer didn't punch it out, the dishwasher can't drain.
- Under the sink, follow the drain hose and straighten any kink. A countertop air gap, if you have that little chrome cap, can be pulled apart and cleaned.
- Use detergent made for dishwashers. Dish soap or too much detergent produces suds that leak out the door.
Before you touch anything: Cut power at the breaker (or unplug it, if it plugs in under the sink) before taking off the lower access panel or reaching underneath. Turn off the water at the sink-cabinet valve before any fitting is loosened; if that valve is old and won't turn easily, don't force it, since old valves can break off. Water in the base pan often means a leak: leave the machine off until the source is found.
When to call a dishwasher technician
- Dirty water still sits in the tub even with a clean filter and a straight drain hose.
- It won't fill, or stops early and posts a code.
- Water turns up under the kitchen cabinets or on the floor.
- Dishes still come out dirty with clean filters and hot water.
- It trips a breaker or you smell burning plastic.
What a dishwasher repair visit involves
We pull any codes and run a service cycle if the model has one, then check the part of the process that's failing: fill, wash, heat or drain. Many dishwasher faults are found without removing it from the cabinet. Leaks and some pump or valve repairs mean sliding it out, so clear the sink cabinet if you can.
When the fault is found, you'll hear what it is and what it costs to fix. Nothing is replaced without your approval.
Repair the dishwasher or buy a new one?
Pumps, inlet valves, door latches, heaters, sensors and control boards are all repairable, and on a machine in good condition they usually make sense. A rusted-out tub or a leak through the tub itself is where replacement wins.
Premium and panel-ready models from Bosch, Miele and similar brands are built to last longer and have custom panels that would have to be refitted, so repair is usually the better value. On an older budget unit needing a control board, we'll give you both options honestly.
Why Book Us for Dishwasher Repair
Water problems separated from machine problems
Cloudy glasses and poor cleaning often come down to scale, rinse aid or supply temperature. We rule those out before recommending a pump, heater or board.
Leaks traced to where they start
Door gaskets, sump seals, loose hoses and the wrong detergent all leave water on the floor. We find which one it is before anything is replaced.
Built-ins pulled and reset with care
Panel-ready and 24-inch European dishwashers come out and go back with attention to the cabinetry, mounting brackets and leveling you already have.
Check the neighborhoods and boroughs we cover, or request a dishwasher repair.
Dishwasher Repair in Houses, Apartments and Rentals
Many older Pittsburgh kitchens got their dishwasher later, squeezed into a cabinet run, with a drain sharing the garbage disposal or a trap that's been there a long time. The shutoff under the sink is often an old multi-turn valve that sticks or weeps when you finally turn it. Mineral scale also builds up over time on the heater, spray arms and inlet screen, and water-softening habits vary from home to home.
How a Dishwasher Repair Visit Works
Describe the Problem
The brand, the model number if it's handy, and what the appliance is doing. A photo of the rating label is a bonus.
Diagnosis On Site
The technician tests the appliance and its power, water, drain, gas or vent until the failed part is found.
Explanation and Quote
You hear what failed and what the repair costs, then decide. Nothing starts without your OK.
Repair and Test
The part goes in, the appliance runs a cycle, and you see that it works before we leave.
Related Services
Other appliances, brands and places we cover.
Dishwasher problems we fix
Every dishwasher fault we diagnose, from drain and fill problems to leaks and electronic faults.
- Not Cleaning Properly
- Not Draining
- Door Won't Close
- Making Unusual Noise
- Not Filling with Water
- Leaking Water
- Dishwasher Won't Start
- Leaving Residue on Dishes
- Not Cleaning Dishes Well
- Not Filling with Water
- Overfilling with Water
- Leaking from Door
- Leaking from Bottom
- Soap Dispenser Not Opening
- Rinse Aid Not Dispensing
- Dishes Not Drying Properly
- Heating Element Failure
- Spray Arms Clogged
- Spray Arm Not Spinning
- Wash Pump Failure
- Drain Pump Failure
- Mineral Scale Buildup
- White Spots on Dishes
- Cloudy Glassware
- Dishwasher Smells Bad
- Drain Filter Clogged
- Door Latch Failure
- Control Board Failure
- Cycles Running Too Long
- Stopping Mid-Cycle
- Error Code Displayed
- Grinding Noise from Pump
- Humming but Not Starting Cycle
- Water on Floor Under Dishwasher
- Rust Inside Dishwasher Tub
- Rack Tines Rusting
- Top Rack Not Cleaning
- Bottom Rack Not Cleaning
- Touchpad Not Responding
- Door Spring Broken
- Fills and Immediately Drains
- Running Constantly / Cycle Won't End
- Detergent Tablet Not Dissolving
- White Deposits on Plastic Containers
- Dishwasher Interior Rusting
- Cloudy Film Inside Tub
- Glassware Permanently Etched
- FH / Water Inlet Error (Whirlpool/KitchenAid)
- Leak Detection System Tripped
- Air Gap Clogged
- Garbage Disposal Connection Problem
- Hard Food Disposer Failed
- Starting Intermittently
- Exterior Too Hot to Touch
- Steam Escaping from Door
- Built-In Water Softener Not Working
- Food Particles on Dishes After Washing
- Salt Indicator Light On
- Child Lock Activated and Stuck
- Poor Results After Switching Detergent
- Not Using Hot Water at All
- Three-in-One Dishwasher Tablet Not Working Properly
- Knocking During Wash Cycle
- High-Temperature Wash Not Working
- Delay Start Feature Not Working
- Burning Smell from Dishwasher
- Control Panel Getting Wet
- Spray Arm Spin Test Failed
- Bottom Spray Arm Missing or Broken
- Third Rack Not Cleaning (Third-Rack Models)
- Not Filling with Enough Water
- Sanitize Indicator Not Illuminating
- Spray Arm Hitting a Dish During Cycle
- Steam Wash Option Not Working
- Cycle Selector Knob Broken
Dishwasher brands we service
Notes for the dishwasher brands we work on most, followed by every brand we cover.
- Bosch dishwasher repair
- Whirlpool dishwasher repair
- GE Appliances dishwasher repair
- KitchenAid dishwasher repair
- Samsung dishwasher repair
- LG dishwasher repair
- Miele dishwasher repair
- Frigidaire dishwasher repair
More reading on dishwashers
Dishwasher Repair: Questions We Hear
Quick answers to what people ask most. If yours isn't here, bring it up on the phone or type it into the notes box when you book.
Something else on your mind?
Reach out with the brand, the symptom and a model number if you have one. Some questions we can answer on the spot; the rest a technician can check in person.
A small pool in the sump, around the filter, is by design on some machines. Water over the tub floor after a finished cycle means a drain problem. The usual causes are a clogged filter, a blocked drain hose or air gap, a full or clogged disposal, a knockout plug left in after a new disposal was fitted, or a failed drain pump.
Either minerals left behind as the water dries, or detergent that didn't rinse away. Fill the rinse aid, start with hot water at the tap, clean the filter and arms, and run a descaling cleaner. On machines with a built-in softener, refill its reservoir as the manual describes.
Usually, if the leak is from a door gasket, hose, pump seal or fitting, which is most of the time. Leaks through a cracked or rusted-through tub are rarely worth repairing. Leave it off until the source is found; a slow leak under a cabinet can damage the floor and subfloor before you see it.
Most are connected to the hot supply and many also heat the water themselves. In an older house where the water heater is far away, running the kitchen tap until it's hot before starting the cycle helps cleaning.
Make sure the door is fully latched and the child lock isn't on, then kill power at the panel for about a minute so the control restarts. If the lights still flash, note the pattern or code. It often points to the door latch, a leak sensor that found water in the base pan, or the control itself.