Daikin Air Conditioner Error E8

⚡ Quick Answer: The Daikin Air Conditioner E8 error indicates a compressor overcurrent issue, causing the unit to stop operation. This error is often accompanied by u... ✅ DIY Fixable

What Does Error E8 Mean?

The Daikin Air Conditioner E8 error indicates a compressor overcurrent issue, causing the unit to stop operation. This error is often accompanied by unusual humming sounds and prevents the system from cooling effectively. The outdoor unit detects the overcurrent and initiates a protective shutdown to avoid further damage. To resolve this, a power reset may be needed, but persistent issues require professional inspection of the compressor and electrical components.

Common Symptoms:

  • Air conditioner stops operation and displays or flashes E8
  • Unit will not restart normally until condition clears or reset is performed

Possible Causes

  • Compressor overcurrent detected causing protective shutdown (medium)
  • Compressor electrical or control component malfunction (medium)

How to Fix Error E8

DIY Fix Perform a power reset and check basic conditions

  1. Turn off the air conditioner and cut power supply at the dedicated breaker or unplug
  2. Wait at least one minute before restoring power
  3. Ensure filters are clean and airflow is not heavily restricted
  4. Try restarting the unit after reset

Technician Only Inspect outdoor compressor circuit and components

  1. Verify compressor current draw and compare against specifications
  2. Test compressor motor windings and run capacitor
  3. Inspect outdoor unit PCB and power transistor for damage or signs of failure
  4. Check power supply quality and wiring integrity to outdoor unit

Parts needed: Compressor motor, Outdoor unit PCB, Power transistor / inverter module, Capacitors and related electrical components

🛑 When to Call a Pro:
  • If error persists after power reset
  • If unit shows signs of electrical smell or overheating
  • If compressor does not start or trips overcurrent consistently

Next step

Choose the next step for E8

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

Compressor

Compresses refrigerant within the sealed cooling system and requires specialized service equipment.

Typical part-only price
$180 - $600
DIY difficulty
Hard
Estimated time
120-240 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.

Possible related component

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

$90 - $320 · Hard · 45-120 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

wattage 2000W
component Compressor
resistance 5-10 ohms
part_number Daikin 4E118084
voltage_rating 220V AC

Common Questions

What does E8 error mean on Daikin Air Conditioner?

E8 error indicates a compressor overcurrent issue, causing the unit to stop and display this code.

Can I fix Daikin Air Conditioner E8 error myself?

Yes, perform a power reset, check airflow, and ensure filters are clean.

How much does it cost to fix E8 error?

Repair costs range from $200 to $800+, depending on parts and labor.

When should I call a technician for E8?

Call a technician if the error persists after a reset or if there are signs of overheating.

Data last verified: 2026-07-22

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