Daikin Mini Split L8 Error Code

Updated 2026-08-29 · review status: manual-verified · reviewed by MiniSplitDecoder Editorial Team Last verified: 2026-08-29

Check your model first

The source record does not specify an exact model family.

Match the model on your equipment label to the linked manufacturer documentation. The same code can mean different things across model families.

Quick answer

L8 means overcurrent in the inverter compressor - the compressor drew more current than the inverter allows, so it stopped to protect the circuit Clean filters and outdoor clearance, power cycle once, and call a technician if the code returns..

Severity: high · DIY difficulty: intermediate

Safety

Stop at filters, outdoor clearance, and one reset. Do not open panels, measure current, or check refrigerant charge - inverter and refrigerant diagnosis is technician-only.

What L8 means

L8 means overcurrent in the inverter compressor - the compressor drew more current than the inverter allows, so it stopped to protect the circuit.

Causes, ranked

  1. 1. Compressor overload from dirty filters or blocked airflow raising load common DIY

    Check: Wash filters, clear outdoor debris/clearance, power cycle once.

    Fix: Improve airflow and retry; if L8 returns, schedule service.

  2. 2. Compressor winding degradation or seizure occasional pro only

    Check: Winding resistance testing only.

    Fix: Technician: test the compressor windings.

  3. 3. Refrigerant overcharge or restriction driving high current occasional pro only

    Check: Requires gauge readings.

    Fix: Technician: verify charge and check for restrictions.

  4. 4. Inverter PCB current-detection or output fault rare pro only

    Check: Board-level diagnosis only.

    Fix: Technician: diagnose the inverter PCB.

Related codes

Cross-references for the same fault family, by brand:

Daikin L6 · Daikin L9 · Daikin E5

Commonly searched as: "daikin l8" · "daikin error code l8" · "daikin air conditioner l8"

Sources

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