Common Daikin Air Conditioner Fault Codes – Canberra

As an air conditioning technician, it’s important to familiarize yourself with common fault codes that may appear on Daikin air conditioners. Being able to quickly identify and troubleshoot these codes can save time and frustration for both you and your customers. Here are some common Daikin fault codes and their meanings:

  1. E1 – Indoor unit return air thermistor error
  2. E2 – Indoor unit room thermistor error
  3. E3 – Indoor unit refrigerant system high pressure protection
  4. E4 – Indoor unit refrigerant system low pressure protection
  5. E5 – Outdoor unit refrigerant system high pressure protection
  6. E6 – Outdoor unit refrigerant system low pressure protection
  7. E7 – Indoor unit evaporator thermistor error
  8. E9 – Outdoor unit discharge thermistor error
  9. E10 – Outdoor unit compressor motor locked rotor
  10. E11 – Outdoor unit compressor motor over current

It’s important to note that these codes are only applicable to Daikin air conditioners and may vary depending on the specific model. If you encounter any of these fault codes, it’s important to follow proper troubleshooting procedures to safely diagnose and fix the issue.

Remember to always follow safety guidelines and consult the owner’s manual for specific instructions on how to properly troubleshoot and repair your customer’s air conditioner.

Posted in: AC Split System, Air Conditioner Unit Service, Common Air Conditioner Fault Codes, Repairs

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