Daikin Air Conditioner Error E6-00
⚡ Quick Answer: The Daikin Air Conditioner E6-00 error indicates a communication failure between the indoor and outdoor units, often linked to a compressor start-up f... ✅ DIY Fixable
What Does Error E6-00 Mean?
The Daikin Air Conditioner E6-00 error indicates a communication failure between the indoor and outdoor units, often linked to a compressor start-up fault. This issue may cause the air conditioner to fail to start or operate normally, resulting in a flashing display and halted cooling. The system may shut down to protect the compressor from electrical overload or component malfunctions in the outdoor unit.
Common Symptoms:
- Air conditioner fails to start or operate normally when the error appears.
- Outdoor unit stops during operation due to detected electrical or load issue.
- System may shut down to protect compressor.
Possible Causes
- Compressor start‑up fault (medium)
- Compressor or outdoor unit electrical overload/overcurrent (medium)
- Outdoor unit component malfunction (e.g., fan motor, PCB, expansion valve) (medium)
How to Fix Error E6-00
DIY Fix Basic checks and safe power cycling
- Turn off the air conditioner using the remote.
- Switch off the breaker or unplug the unit.
- Wait at least 1–2 minutes.
- Restore power and attempt to restart.
Technician Only Professional diagnostic and repair
- Measure compressor start current and compare with specification.
- Inspect outdoor unit electrical connections, contactors, and PCB.
- Test fan motor, expansion valve operation, and sensors relevant to compressor loading.
- Replace faulty components per diagnostic findings.
Parts needed: Compressor, Outdoor PCB/control board, Fan motor, Expansion valve
- If basic power cycling does not clear the error.
- If the error reappears repeatedly after restart.
- If there are signs of burning smell, smoke, or loud abnormal noises from the outdoor unit.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Control Board |
| resistance | N/A |
| part_number | DAIKIN 4D002A |
| voltage_rating | 220V AC |
Common Questions
What does E6-00 error mean on Daikin Air Conditioner?
E6-00 indicates a communication failure between the indoor and outdoor units, often linked to a compressor issue.
Can I fix Daikin Air Conditioner E6-00 error myself?
Yes, perform basic checks like power cycling the unit and ensuring proper connections.
How much does it cost to fix E6-00 error?
Repair costs are high, involving professional service and potential major part replacements.
When should I call a technician for E6-00?
Call a technician if power cycling doesn't resolve the issue or if the error reappears.
Sources & References
- Daikin split AC error code list (India region) (community)
- Daikin E6 outdoor unit error detailed explanation (community)
Data last verified: 2026-07-07
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