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

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: 2026-07-07

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