Daikin Air Conditioner Error L8
⚡ Quick Answer: The Daikin Air Conditioner L8 error indicates a communication failure between the indoor and outdoor units, typically due to an overload protection ac... ✅ DIY Fixable
What Does Error L8 Mean?
The Daikin Air Conditioner L8 error indicates a communication failure between the indoor and outdoor units, typically due to an overload protection activation in the inverter compressor. This can lead to the outdoor unit stopping, ceasing the cooling or heating functions. Symptoms may include an abnormal current draw prior to shutdown, and the unit may display flashing indicators. If this error persists, professional diagnosis is recommended.
Common Symptoms:
- Outdoor unit stops operating when L8 is displayed
- Cooling/heating function ceases upon error code display
- Possible abnormal current draw or compressor load prior to shutdown
Possible Causes
- Inverter compressor overload (electronic thermal protection) (medium)
- Compressor hardware issue (internal fault) (medium)
- Compressor harness/connectors fault (medium)
How to Fix Error L8
DIY Fix Basic user check and safe restart
- Turn off the AC unit using the remote or power switch.
- Switch off the circuit breaker supplying the unit and wait ~30 seconds.
- Turn circuit breaker back on and attempt normal operation.
Technician Only Professional diagnosis and repair
- Inspect the inverter compressor and measure current draw.
- Check compressor harness and connections for corrosion or looseness.
- Test the inverter board and associated power electronics for faults.
- Replace defective components (compressor, harness, or inverter board) as identified.
Parts needed: Inverter compressor, Compressor harness/connectors, Inverter control board
- If L8 persists after power reset
- If there are unusual noises, burning smell, or heat from outdoor unit
Technical Specifications
| wattage | N/A |
|---|---|
| component | Communication Cable |
| resistance | N/A |
| part_number | DAIKIN 934100A |
| voltage_rating | 220V AC |
Common Questions
What does L8 error mean on Daikin Air Conditioner?
L8 indicates a communication failure and inverter compressor overload, causing the outdoor unit to stop.
Can I fix Daikin Air Conditioner L8 error myself?
Yes, you can try a power reset by turning off the unit and circuit breaker, waiting 30 seconds, then restoring power.
How much does it cost to fix L8 error?
Repair costs for the L8 error can range from medium to high, depending on the region and specific model.
When should I call a technician for L8?
Call a technician if the L8 error persists after a power reset or if you notice unusual noises, burning smells, or heat from the outdoor unit.
Sources & References
- What is a L8 fault? – Daikin NZ knowledge base (community)
Data last verified: 2026-07-07
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!