Error code reference

Maytag Dishwasher Error Code 8-1

Slow drain

Slow drain — obstructed drain hose or path, drain pump impeller fractured.

First step from the service manual

1. Unplug dishwasher or disconnect power. 2. Check for blockages from sump check valve to customer's plumbing (plugged garbage disposal, plug not knocked out, drain loop check valve stuck, plugged hoses).

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
Verified part numbers when replacement is required

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8-1 on my Maytag Dishwasher

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Slow drain — obstructed drain hose or path

From Tech Sheet W15361453, p.25:

1.1. Unplug dishwasher or disconnect power. 2. Check for blockages from sump check valve to customer's plumbing (plugged garbage disposal, plug not knocked out, drain loop check valve stuck, plugged hoses).

2.Measure drain pump winding resistance at connector J7 on the main control. Expected: 12 to 16 ohms at room temperature.

3.Back-probe the pump driver output under load. Verify the board switches the pump at 120 VAC during the drain portion of the cycle.

Part W10876537

Drain pump assembly

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First step from the service manual

Get the full diagnostic procedure for 8-1.

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