Amana Refrigerator Error CO

⚡ Quick Answer: The Amana Refrigerator error code CO indicates that the cooling function is turned off, either by user input or control settings. This causes the refr... ✅ DIY Fixable

What Does Error CO Mean?

The Amana Refrigerator error code CO indicates that the cooling function is turned off, either by user input or control settings. This causes the refrigerator and freezer to stop cooling, often accompanied by a display message of 'COOLING OFF.' If this occurs, check the control panel to ensure cooling is enabled and press and hold the LOCK and MEASURED FILL buttons for about 3 seconds to reactivate the cooling function. Allow several minutes for the compressor and fans to restart.

Common Symptoms:

  • Refrigerator and freezer not cooling
  • Display shows indication related to cooling-off status

Possible Causes

  • Cooling function disabled (user input or control state) (medium)

How to Fix Error CO

DIY Fix Re-enable cooling if turned off

  1. Check if the cooling has been intentionally turned off via control panel settings.
  2. Press and hold the LOCK and MEASURED FILL buttons simultaneously for about 3 seconds to toggle cooling back on (per official guidance).
  3. Wait several minutes to allow compressor and fans to restart and cooling to resume.

Technician Only Verify control panel and settings configuration

  1. Check user interface settings to ensure the cooling-off function is not engaged.
  2. Confirm via service manual if this model uses ‘CO’ as abbreviation for Cooling Off status.
  3. Test control panel responsiveness and verify that cooling command is being sent to compressor relay.

Parts needed: User interface control board, Main control board

🛑 When to Call a Pro:
  • The cooling-off indication persists or reappears after attempting to re-enable cooling.
  • Refrigerator fails to cool even after confirming cooling has been enabled and restart attempts.
  • Control panel appears unresponsive or shows other error indicators.

Next step

Choose the next step for CO

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

Typical part-only price
$120 - $280
DIY difficulty
Medium
Estimated time
20-40 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Refrigerator parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Refrigerator Condenser Coil Brush

For routine cleaning of accessible condenser areas where the manufacturer permits it. It does not repair a sealed-system or compressor fault.

View maintenance supply
Maintenance supply

Model-Compatible Refrigerator Water Filter

A routine replacement item on models with a water filter. Match the complete appliance model and existing filter number before ordering.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage 150W
component Compressor
resistance 3-5 ohms
part_number W10309969
voltage_rating 120V AC

Common Questions

What does CO error mean on Amana Refrigerator?

CO error indicates the cooling function is turned off, preventing the refrigerator and freezer from cooling.

Can I fix Amana Refrigerator CO error myself?

Yes, you can re-enable cooling via the control panel by pressing LOCK and MEASURED FILL buttons for 3 seconds.

How much does it cost to fix CO error?

Estimated repair costs range from $50 to $350 depending on parts needed.

When should I call a technician for CO?

Call a technician if cooling remains off after attempts to re-enable it or if the control panel is unresponsive.

Sources & References

Data last verified: 2026-07-22

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