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Appliance Fix Guide

Amana Dryer error code

Amana Dryer Error OP

The control board senses an open thermistor. The thermistor is a temperature sensor, and

The control board senses an open thermistor. The thermistor is a temperature sensor, and this error indicates it may be malfunctioning.

HardStart with 5-15 minutes of safe checks
✅ WORTH FIXINGParts under $100
Amana dryer repair guide for error OP
Error codeOPDryer

Start here before buying a part or taking the appliance apart.

  1. 1
    Disconnect the dryer from the power source by

    Disconnect the dryer from the power source by unplugging it from the wall outlet.

  2. 2
    Locate the thermistor, which is typically found on

    Locate the thermistor, which is typically found on the blower housing inside the dryer cabinet.

  3. 3
    You may need to remove the front or

    You may need to remove the front or rear panel of the dryer to access the blower housing.

A quick explanation

What does OP mean?

The control board senses an open thermistor. The thermistor is a temperature sensor, and this error indicates it may be malfunctioning.

The answer you came for

How to fix Amana dryer error OP

Start with the safest checks and work from simple to technical.

  1. 1

    Disconnect the dryer from the power source by

    Disconnect the dryer from the power source by unplugging it from the wall outlet.

  2. 2

    Locate the thermistor, which is typically found on

    Locate the thermistor, which is typically found on the blower housing inside the dryer cabinet.

  3. 3

    You may need to remove the front or

    You may need to remove the front or rear panel of the dryer to access the blower housing.

  4. 4

    Disconnect the two wires attached to the thermistor

    Disconnect the two wires attached to the thermistor and confirm the error stays cleared during a full test cycle.

  5. 5

    Use a Phillips head screwdriver to remove the

    Use a Phillips head screwdriver to remove the screw holding the thermistor in place and remove the old thermistor.

  6. 6

    Install the new thermistor and secure it with

    Install the new thermistor and secure it with the screw.

  7. 7

    Reconnect the two wires to the new thermistor,

    Reconnect the two wires to the new thermistor, reassemble the dryer panels, and plug the dryer back in.

  8. 8

    Turn the appliance off, wait about 2 minutes,

    Turn the appliance off, wait about 2 minutes, then turn it back on.

Read the additional checks from the current guide

How to Fix OP Error (Step-by-Step) Disconnect the dryer from the power source by unplugging it from the wall outlet.Locate the thermistor, which is typically found on the blower housing inside the dryer cabinet.You may need to remove the front or rear panel of the dryer to access the blower housing.Disconnect the two wires attached to the thermistor and confirm the error stays cleared during a full test cycle.Use a Phillips head screwdriver to remove the screw holding the thermistor in place and remove the old thermistor.Install the new thermistor and secure it with the screw.Reconnect the two wires to the new thermistor, reassemble the dryer panels, and plug the dryer back in.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Amana Dryer Focused repair path: dryer airflow, heating, sensor, motor, door switch, belt, and control checks. Do not treat a returning fault as a reset-only problem; use the point in the cycle where the fault appears to choose the next check. Disconnect power before inspection, then clear the lint screen, blower area, vent run, and exterior hood before replacing heat parts. Confirm whether the dryer starts, tumbles, heats, and advances through the cycle; the missing function narrows the repair path. For heat faults, inspect airflow first, then the thermal fuse, thermistor, element or gas ignition path, wiring, and control output. For start or tumble faults, check the door switch, belt switch, motor circuit, harness, and control connections before ordering parts. Check, inspect, clean, test, measure, remove, reconnect, clear, and replace parts only when the symptom supports that path. If these checks point toward a part, verify the complete Amana model number from the appliance tag before ordering. Similar error wording can use different valves, sensors, pumps, motors, heaters, locks, switches, fans, or control boards depending on the exact model.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

Part listed in the current guide

OEM candidate: WP8577274

Price noted in the current guide: $10-$37

Why this part is shown: It is associated with Amana Dryer error OP in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete dryer model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

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Replacement options

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If repairing this dryer no longer feels worthwhile, compare three replacement paths below.

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  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

Free quick sheet

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