Thermador Hood Error Codes

1 error code for Thermador hood models. Each links to the full diagnostic procedure from the service manual.

CodeDescription

Three speed LEDs blinkingHeat sensor protection fault

MyPros+ Max

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Step-by-step tests with expected resistance, voltage, and continuity values
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M+

M+ Max·Thermador Hood

Three speed LEDs blinking on my Thermador Hood

M+

Heat sensor protection fault — the heat sensor

From Service Manual 469523, p.15:

1.Replace the entire input board (heat sensor is integrated and not field replaceable).

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 00705047

Control module

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