Haier AC Error Codes

Complete list of Haier air conditioner error codes with meanings and solutions

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Haier Error Code List

CodeMeaningSeverityFix
E1Room temperature sensor open/shortMediumCheck and replace room sensor
E2Evaporator temperature sensor errorMediumCheck evaporator sensor
E3Condenser temperature sensor errorMediumCheck condenser temperature sensor
E4Compressor exhaust sensor errorMediumCheck discharge temperature sensor
E5Overcurrent protectionCriticalCheck power supply and compressor
E6Communication errorHighCheck wiring between units
E7Mode conflictLowReset and check system configuration
F1Indoor EEPROM errorHighReset or replace indoor PCB
F2Outdoor EEPROM errorHighReset or replace outdoor PCB
F5Outdoor fan motor errorHighCheck outdoor fan motor and capacitor
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Understanding Haier AC Error Codes

Haier air conditioners display error codes when they detect problems with the system. These codes help identify issues quickly, saving time and money on diagnostics. Understanding these codes can help you determine whether you can fix the issue yourself or need to call a professional.

Severity Levels Explained

  • Critical: Serious issues that require immediate professional attention. Do not operate the unit.
  • High: Significant problems that should be addressed soon. Unit may work intermittently.
  • Medium: Issues that affect performance but aren't urgent. Can often be fixed with basic troubleshooting.
  • Low: Minor issues or informational codes. Usually resolved with simple actions like filter cleaning.

Basic Troubleshooting Steps

  1. Note down the error code displayed
  2. Turn off the AC and unplug it
  3. Wait 5 minutes before restarting
  4. If the error persists, check the meaning above
  5. For critical errors, contact a certified Haier technician

When to Call a Professional

While some error codes indicate simple issues like dirty filters, others point to serious problems requiring professional repair. Always call a technician for:

  • Compressor-related errors
  • Electrical or high-voltage issues
  • Refrigerant leaks or pressure problems
  • Errors that don't clear after reset
  • Any error you're not comfortable diagnosing

Frequently Asked Questions

How do I reset my Haier AC after an error?

To reset your Haier AC: 1) Turn off the unit using the remote or power button. 2) Unplug it from the power outlet. 3) Wait 2-3 minutes. 4) Plug it back in and turn on. If the error persists, the issue may require professional service.

What do Haier AC error codes mean?

Haier AC error codes indicate specific issues with your unit. Common categories include sensor errors, communication problems, compressor issues, and electrical faults. Use the table above to identify your specific error code.

When should I call a technician for my Haier AC?

Call a technician for: 1) Critical errors related to compressor or electrical issues. 2) Errors that persist after resetting the unit. 3) Any error involving refrigerant leaks or high-voltage components. Never attempt to fix critical issues yourself.