OC Appliance Repair Co Orange County, California (949) 979-4880
County

Dishwasher Repair in Orange County

Dishwashers fail quietly. Performance drops over months, and by the time the machine is described as broken it has usually been running with a packed filter and half-blocked spray arms for a long time. Most of the calls we take are cleaning and a single part, not a new machine.

Dishes coming out gritty

Wash performance depends on water reaching the load at pressure, and there are only a few places it goes wrong. The filter and the chopper area pack with debris, which starves the pump. The spray arm holes block with scale and food, so whole sections of the rack get missed, and an arm that will not spin freely by hand is telling you that directly. Beyond that, the wash pump can lose an impeller vane, and the diverter valve that alternates upper and lower arms can stick. Overloading and blocked arms explain far more of these calls than failed pumps.

Standing water in the bottom

Water left in the sump means the drain path did not complete, and on many installations the fault is outside the machine. The drain hose runs to a disposal or an air gap, and both block. On a new disposal, the knockout plug is sometimes left in place, which prevents the dishwasher draining at all from day one. Inside the machine, the drain pump can seize or run with a jammed impeller, and the check valve can stick open and let water fall back. A small amount of water in the sump between cycles is normal and by design.

Dishwasher with kick plate removed showing drain pump and hoses
Dishwasher with kick plate removed showing drain pump and hoses

Symptoms we are called about

  • dishes still gritty at the end of a cycle
  • standing water in the sump
  • leak at the bottom of the door
  • will not latch or will not start
  • detergent cup still full afterwards

What usually fails, and how you tell

FaultHow it showsWhat the repair involves
Blocked filter and chopper areaGrit on the dishes, a gradual decline over months, and visible debris in the sump. Sometimes a grinding noise as the pump tries to move water past a packed filter.Strip and clean the filter, the sump and the chopper, then set a cleaning interval. This is the most common dishwasher fault on this list.
Blocked or seized spray armsWhole sections of the rack come out untouched, usually the top. The arm does not spin freely when you turn it by hand, and the holes show white scale.Clear the arm holes and the feed tube, descale where needed, and replace an arm whose bearing has worn enough to let it drag.
Drain pump or blocked drain pathStanding water at the end of the cycle. If the pump is heard running with nothing moving, the blockage is downstream at the air gap, the disposal inlet or the hose.Clear the drain path first, including the disposal knockout plug on new installations, then replace the pump if it is seized or the impeller is damaged.
Door gasket or lower door sealWater on the floor directly in front of the machine, worst during the wash phase, with a dry cabinet base underneath. The gasket feels hard and no longer springs back.Replace the gasket or lower seal and check the machine is level. A machine tipped forward will leak past a perfectly good seal.
Door latch and switchThe machine will not start, or stops the moment the door is nudged. Some models flash the cycle lights instead of giving a code.Replace the latch assembly and check the door alignment. Doors that have been leaned on drop enough to miss the striker.
Detergent dispenser wax motorThe detergent cup is still full and closed at the end of the cycle, or open with the tablet undissolved on the door. Wash performance is otherwise fine.Replace the wax motor or the dispenser assembly, and check nothing in the top rack is blocking the flap from opening.
Water inlet valve or screenThe cycle runs with little or no water, times out, or takes far longer than usual. Often a hammer noise from the valve as it closes.Clean the inlet screen and check the supply tap, then replace the valve if the coil is open or it will not seat.

Leaks, and where they actually start

A puddle in front of the machine is usually the door: either the gasket has hardened and stopped sealing, or the lower door seal has been damaged, or the machine is sitting out of level so water runs to one corner. A leak that appears only during the wash phase is more likely the pump seal or a split hose, and it shows itself under the cabinet rather than at the door. Detergent that foams excessively, usually washing-up liquid used by mistake, will push water out of a perfectly good door seal.

Will not start, will not fill, will not dry

A machine that will not start is normally the door latch and its switch rather than the control, since the board will not run with the door unconfirmed. No fill at all points at the inlet valve, its screen, or the supply tap under the sink. Poor drying on a condensing dishwasher is usually rinse aid, not a heater, because those machines rely on the load coming out hot and shedding water. Where the machine does have a heating element, an open element gives cool water as well as wet dishes.

Stainless dishwasher with lower panel off showing pump and drain hose
Stainless dishwasher with lower panel off showing pump and drain hose

Dishwasher by town

Other repairs we take on

Dishwasher jobs people wrote about

4.9 from 1,007 reviews

  • Dishwasher would not latch or start. The door catch had worn and the strike was out of alignment after a cabinet job. He adjusted the strike, replaced the catch, and it starts on the first press.

    Harriet L.Buena Park★★★★★

  • Dishwasher left the detergent cup full and the dishes gritty. The wash pump was weak and the lower spray arm was blocked with grit. Pump replaced, arm cleared, and the cycle finishes properly again.

    Britta S.Orange★★★★★

  • Dishwasher finished every cycle with the sump still full of water. The drain pump was blocked with grit and glass fragments. Cleared, pump replaced, and it drains fully now and smells better.

    Bonnie R.Garden Grove★★★★★

Questions people ask

Why are my dishes still gritty after a full cycle?

Almost always a packed filter or blocked spray arms rather than a failing pump. Water has to reach the load at pressure, and debris in the sump starves it while scale in the arm holes leaves whole sections of the rack unwashed. Both are cleaning jobs, not parts.

There is water sitting in the bottom of my dishwasher.

A small amount in the sump between cycles is normal. A full pool means the drain did not complete. Check the air gap, the disposal inlet and the hose before the pump, and on a newly fitted disposal, make sure the knockout plug was actually removed.

Where is the leak at the front of the machine coming from?

Usually the door: a hardened gasket, a damaged lower seal, or a machine sitting out of level so water runs to one corner. Excess foam from washing-up liquid used by mistake will do the same to a good seal. Leaks under the cabinet are a different fault entirely.

Why are the dishes wet at the end of the cycle?

On condensing dishwashers, drying depends on the load coming out hot and rinse aid helping water sheet off. An empty rinse aid reservoir accounts for most of these calls. On machines with a heating element, an open element leaves both the water and the dishes cool.

The dishwasher will not start at all.

Start with the door latch and its switch, because the control will not run a cycle it cannot confirm the door is shut for. After that, the power at the outlet and the machine breaker. A control board is possible but it is a long way down the list.

Describe what the dishwasher is doing

The more precisely you can say what it does and when it started, the more of the diagnosis is already done before anyone arrives.

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$89 to come out, and nothing extra on top once a repair is agreed.