Error code reference

Frigidaire Dishwasher Error Code E:27

Under-voltage; low supply voltage to dishwasher.

Frigidaire codes Frigidaire dishwasher codes

Under-voltage; low supply voltage to dishwasher.

First step from the service manual

Check house wiring connections and if supply voltage is ~98-120VAC to power module harness connector.

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
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E:27 on my Frigidaire Dishwasher

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Under-voltage

From Service Manual 155820, p.32:

1.Check house wiring connections and if supply voltage is ~98-120VAC to power module harness connector.

2.Measure line voltage at the power cord terminal block. Expected: 120 VAC (L1 to neutral) or 208 to 240 VAC between L1 and L2 under load.

3.Inspect the cord strain relief and terminal block screws for signs of arcing or heat discoloration. Loose connections here mimic an intermittent power failure to the control board.

Part 5304502778

Power cord

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First step from the service manual

Get the full diagnostic procedure for E:27.

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