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How to fix a Maytag stack laundry unit with a 9E error on the dryer

Samurai Appliance Repair Man

Entry posted by Samurai Appliance Repair Man

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9E - malfunction in dryer door circuit.

Door switch kit.

Replaces older 2 terminal switches.

click on picture

Door-Switch-Assembly-W10169313-01061810.jpg

SE1000 may be similar model

Dryer Door Switch,

center of diagram

maytaglse100016000416.jpg

Source: Maytag LSE9900ADE 9E error

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jb8103

jb8103

Posted

Confused again, dang me! What's going on with the heater relay, looks like half a transformer sticking out of it, stepping down to 24 VAC? If that's just a solenoid coil, where do they get the 24 volts? I've never seen one labeled like that, but then, I only see old stuff.

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Samurai Appliance Repair Man

Samurai Appliance Repair Man

Posted

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Howdy, jb, good questions!

This is an old Maytag stack laundry unit. The washer is the old Maytag Dependable care washer. That should give you some idea how old this unit is!

The "transformer" you're asking about on the heater relay is the relay coil. All relays have a coil, that's how they their relaying: the coil gets energized by a low voltage circuit (usually DC, as in this case, but not always) and this makes the switch contacts in the relay switch, usually much higher AC voltage. The motor relay in the diagram works the same way.

The coil voltage for the relay comes from the microprocessor control board.

jb8103

jb8103

Posted

Aha! It's DC! I didn't pick up on that. So that's why the coil is labeled like that! Otherwise I'd expect to see 26 VAC there, like the transformer says. So somewhere on the board is a rectifier sending out DC for control voltage.

On HVAC equipment I've never seen that.

And thanks mucho for the response - electrical is my weak spot and I need to work on it constantly. I wouldn't make much progress without help from the masters.

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