Daikin Air Conditioner Error E8-00

⚡ Quick Answer: The Daikin Air Conditioner E8-00 error signals a communication failure between the indoor and outdoor units, often caused by compressor overcurrent de... ✅ DIY Fixable

What Does Error E8-00 Mean?

The Daikin Air Conditioner E8-00 error signals a communication failure between the indoor and outdoor units, often caused by compressor overcurrent detection. When this error occurs, the unit may stop operating, display the E8-00 code, and fail to provide cooling or heating. This automatic shutdown protects the system from potential damage, necessitating a reset or professional inspection.

Common Symptoms:

  • Air conditioner stops operating and displays E8 or variant on remote/display
  • System fails to start or shuts down during operation
  • No cooling/heating output when error is present

Possible Causes

  • Compressor overcurrent detection leading to automatic shutdown (medium)

How to Fix Error E8-00

DIY Fix Power cycle and basic reset

  1. Turn off the air conditioner using the remote or unit power button
  2. Switch off dedicated circuit breaker or unplug the unit
  3. Wait at least 1 minute to allow internal protection circuitry to reset
  4. Restore power and attempt to restart

Technician Only Professional diagnosis and repair of compressor current/drive circuitry

  1. Measure compressor current draw to verify overcurrent condition
  2. Inspect outdoor unit power electronics, inverter board, and power transistor circuitry for faults
  3. Check wiring connections, capacitor health, and supply voltage stability
  4. Replace faulty compressor drive components or compressor as needed

Parts needed: Compressor, Inverter power board, Power transistor modules, Capacitors, Wiring/connectors

🛑 When to Call a Pro:
  • If error persists after basic reset
  • If breakers trip or unusual noises/odors are present
  • If system fails to run or shows repeated overcurrent events

Next step

Choose the next step for E8-00

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

Other parts options

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

Possible related component

Power Control Board

Distributes and switches electrical power for the appliance's major loads.

$90 - $260 · Hard · 30-75 mins

Check fit & price
Possible related component

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

$20 - $120 · Medium · 30-90 mins

Check fit & price
Model number required

Model-compatible Air Conditioner 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

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

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

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does E8-00 error mean on Daikin Air Conditioner?

E8-00 indicates a communication failure due to compressor overcurrent, causing the unit to stop operating.

Can I fix Daikin Air Conditioner E8-00 error myself?

Yes, you can try a power cycle by turning off the unit and circuit breaker, then waiting a minute before turning it back on.

How much does it cost to fix E8-00 error?

Repair costs vary significantly based on the condition of the compressor and inverter board, generally falling in the medium to high range.

When should I call a technician for E8-00?

Call a technician if the error persists after a reset, if breakers trip, or if you hear unusual noises.

Data last verified: 2026-07-31

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