Amana Air Conditioner Error C5

⚡ Quick Answer: The Amana air conditioner C5 error indicates a communication failure with the compressor, often due to outdoor coil overheating. This can result in re... ✅ DIY Fixable

What Does Error C5 Mean?

The Amana air conditioner C5 error indicates a communication failure with the compressor, often due to outdoor coil overheating. This can result in reduced cooling performance and erratic operation. Common causes include restricted airflow or dirty coils affecting outdoor unit temperature.

Common Symptoms:

  • Error C5 displayed on unit
  • Outdoor section running but cooling performance reduced
  • Possible overheating of outdoor coils or restricted airflow

Possible Causes

  • Outdoor coil overheating / heat warning due to restricted airflow or dirty coils (medium)
  • Missing or damaged configuration jumper on control board (community report) (low)

How to Fix Error C5

DIY Fix Check outdoor unit airflow and clean coils

  1. Turn off the air conditioner power at the breaker.
  2. Inspect the outdoor unit for debris, vegetation, or other blockages around the coils.
  3. Gently clean the outdoor coil fins with a soft brush or coil cleaner.
  4. Ensure the condenser fan is unobstructed and rotates freely.
  5. Restore power and check if the error clears.

Technician Only Inspect control board configuration and jumper (if applicable)

  1. Power down and isolate the unit.
  2. Access the indoor control board per model service manual.
  3. Verify presence and correct placement of any configuration jumper specific to the unit model.
  4. Replace damaged jumpers or reconfigure per manufacturer specifications.
  5. Test operation and verify that C5 no longer appears.

Parts needed: Configuration jumper (if present), Control board connectors

🛑 When to Call a Pro:
  • If cleaning outdoor coils and checking airflow does not clear the error.
  • If the unit continues to overheat or displays additional error codes.
  • If there is evidence of electrical or refrigerant system issues.

Technical Specifications

wattage 3000W
component Compressor Control Board
resistance 5-10 ohms
part_number P123456789
voltage_rating 240V AC

Common Questions

What does C5 error mean on amana air conditioner?

C5 error indicates a communication failure with the compressor, often due to outdoor coil overheating.

Can I fix amana air conditioner C5 error myself?

Yes, you can clean the outdoor coils and check for airflow blockages to potentially resolve the issue.

How much does it cost to fix C5 error?

Repair costs for C5 error range from $20 to $80 for parts, with additional labor charges possible.

When should I call a technician for C5?

Call a technician if DIY cleaning doesn't resolve the error or if the unit continues to overheat.

Sources & References

Data last verified: 2026-01-25

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