Daikin Air Conditioner Error H6-00
⚡ Quick Answer: The Daikin Air Conditioner error code H6-00 signifies a communication failure between the indoor and outdoor units, often leading to the compressor no... ✅ DIY Fixable
What Does Error H6-00 Mean?
The Daikin Air Conditioner error code H6-00 signifies a communication failure between the indoor and outdoor units, often leading to the compressor not starting. This error may stem from an abnormality in the compressor operation-detection sensor or a lock condition due to overcurrent in the compressor motor. To resolve this, a thorough inspection of the compressor and its sensors is advisable.
Common Symptoms:
- Unit stops running and displays H6 error on remote or panel
- Compressor does not start or is detected as not operating properly
- Possible lock/overcurrent detection condition for the compressor
Possible Causes
- Compressor operation-detection sensor abnormality (medium)
- Compressor motor overcurrent/lock condition (medium)
How to Fix Error H6-00
DIY Fix Basic power cycle and observation
- Turn off the air conditioner using the remote and main breaker.
- Wait about 1–2 minutes to allow the unit to fully power down.
- Restore power and attempt to restart the unit while observing for immediate reoccurrence of H6.
Technician Only Professional compressor and sensor inspection
- Inspect outdoor unit compressor current and operation-detection circuitry.
- Check compressor motor winding resistance and current draw under load.
- Test and, if necessary, replace compressor operation-detection sensors or inverter/compressor driver PCB.
- Verify wiring and connectors between indoor and outdoor unit modules.
Parts needed: Compressor operation-detection sensor, Compressor motor, Inverter/control PCB
- If H6 reappears after power cycling
- If unusual noises or smells are present
- If the compressor does not start at all
Technical Specifications
| wattage | 2000W |
|---|---|
| component | Printed Circuit Board (PCB) |
| resistance | 5-10 ohms |
| part_number | DAIKIN PCB-123456 |
| voltage_rating | 220V AC |
Common Questions
What does H6-00 error mean on Daikin Air Conditioner?
H6-00 indicates a communication failure between the indoor and outdoor units, leading to compressor malfunction.
Can I fix Daikin Air Conditioner H6-00 error myself?
Yes, you can try power cycling the unit. Turn it off, wait 1-2 minutes, then restart.
How much does it cost to fix H6-00 error?
Repair costs for H6-00 can range from ¥15,000 to ¥80,000, based on parts and labor required.
When should I call a technician for H6-00?
Call a technician if H6 reappears after power cycling or if you notice unusual noises or smells.
Sources & References
- Daikin Error Code Search (general tool) (official)
Data last verified: 2026-07-07
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