Kenmore Dishwasher Stopping Mid-Cycle? Causes

Let the timing point the way#

When the dishwasher stops reveals a lot. A halt in the first few minutes is usually fill-related. A stop during the heated wash or dry can be a thermal cutoff. A stop right at a phase change points to the control board or the door latch, and a stop with the pump running continuously points to the flood switch. Kenmore builds these on the Whirlpool 665 and LG 630 platforms, which share these failure modes.

Causes at a glance#

Working through the causes#

Door-latch switch intermittent (common). The most frustrating mid-cycle stop comes from the door-latch microswitch on the 665 platform, or the reed switch on the 630 platform, developing an intermittent connection. The board reads the door as open for an instant and halts. The latch switch is tested and replaced. Control board phase fault (common). Kenmore dishwashers move through fill, wash, drain, rinse, and dry, and the board must confirm conditions at each transition. A board fault at a transition stops the cycle at the same point each time. The board is inspected for a repeatable transition failure. Thermal cutoff (occasional). Whirlpool 665 units carry a thermal fuse rated around 220°F near the control board housing. If it opens on an overheat, heating and the cycle stop. The fuse and the cause of the overheat are checked. Drain timeout (occasional). Every platform enforces a drain timeout: if water has not cleared in the allowed time, the board cancels the cycle. A clogged filter, hose, or pump triggers it, so the drain path is cleared. Flood switch activated (occasional). Water in the base pan trips the flood switch, which halts the cycle immediately and runs the drain pump continuously. The base-pan leak is found and fixed.

Diagnose it, step by step#

1. Note the point in the cycle where it stops and whether lights blink a code.
2. If all lights go dark, check the breaker for a tripped circuit.
3. Confirm the door latches firmly and test the latch switch for an intermittent open.
4. If the pump runs continuously after a stop, look for water in the base pan.
5. Clear the filter and drain path if it stops between phases on a drain timeout.

Preventing a repeat#

• Clean the filter and drain path regularly so a drain timeout never trips.
• Make sure the door latches firmly each cycle and the door is not obstructed.
• Check under the unit periodically for early seepage before it reaches the flood switch.
• Have the latch switch replaced at the first intermittent stop rather than living with it.
• Do not overload the racks in a way that blocks the door from latching fully.
• Run a hot wash cycle periodically to keep the drain path and filter clear.

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