Error code reference

Frigidaire Dishwasher Error Code i70

NTC sensor value out of range

Frigidaire codes Frigidaire dishwasher codes

NTC sensor value out of range - voltage measured at NTC ends not between 0.04V and 4.7V for more than 10 seconds.

First step from the service manual

Replace turbidity sensor

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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i70 on my Frigidaire Dishwasher

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NTC sensor value out of range - voltage

From Service Manual 856456, p.28:

1.Replace turbidity sensor

2.Disconnect the sensor and measure resistance at the sensor body. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens and shorts. Back-probe the sensor pins at the control board connector; a reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 5304513033

Thermistor

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First step from the service manual

Get the full diagnostic procedure for i70.

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