Error code reference

Frigidaire Dryer Error Code EA5

Line amplitude sensing failure on main board

Line amplitude sensing failure on main board — main board defective, microprocessor corrupted, or software issue (dryer).

First step from the service manual

Replace the electronic control board and retry.

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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EA5 on my Frigidaire Dryer

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Line amplitude sensing failure on main board —

From Service Manual 889593, p.45:

1.Replace the electronic control board and retry.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part 5304504863

Electronic control board

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First step from the service manual

Get the full diagnostic procedure for EA5.

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