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Panasonic Aircon Blinking Light Patterns

Learn what common Panasonic blink patterns mean, what typically causes them, and whether they need urgent attention.

Panasonic blink guide

This is a guidance table, not a model-exact diagnosis. Pattern meaning can vary by controller and series. Use this page to narrow next steps, then verify with model sticker details.

Safety warning

Stop using the unit and contact a technician if the breaker trips repeatedly, you smell burning, see sparks, hear loud electrical buzzing, or water is leaking from places it normally should not.

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Blink count: Not applicable

TIMER lamp blinking and remote self-check returns H11

Indoor-outdoor signal transmission fault · Interconnection wiring issue · Indoor or outdoor PCB fault

Blink count: Not applicable

TIMER lamp blinking and remote self-check returns H14

Indoor intake sensor open/short · Sensor connector poor contact · Indoor PCB sensor reading fault

Blink count: 19

TIMER lamp blinking and error table indicates H19

Indoor fan motor lock · Indoor fan wiring/terminal issue · Indoor PCB drive fault

Blink count: Persistent or continuous

Green lamp blinks repeatedly during minor airflow/filter/system issues

Dirty/clogged filters · Temporary control glitch · Minor indoor-outdoor communication instability

Blink count: Persistent or continuous

Red lamp blinks repeatedly as a serious fault warning

Refrigerant-side fault · Compressor malfunction or overheat condition · Electrical/PCB fault

Blink count: Persistent or continuous

TIMER lamp blinking and code history indicates H97 event

Outdoor fan DC motor lock · Outdoor fan winding/electrical fault · Outdoor PCB drive issue

Blink count: Persistent or continuous

Timer LED blinks continuously after the unit stops due to abnormality

Protection logic detected abnormal operation · Stored fault condition in control memory · Indoor or outdoor abnormality requiring code readout

Blink count: Persistent or continuous

Yellow/orange lamp blinks repeatedly as maintenance/drainage alert

Blocked drainpipe · Water leakage inside indoor unit · Sensor communication issue

Blink count: No active blink

No active TIMER-lamp blinking while protective code H98 is stored in memory

Indoor high-pressure protection event · Temporary operating condition that triggered protection · Historical fault memory retained after event

Blink count: No active blink

No active TIMER-lamp blinking while protective code H99 is stored in memory

Freeze-prevention protection event · Low indoor pipe temperature during cooling/soft dry · Historical fault memory retained after event

Not sure how to read your Panasonic blink pattern?

Send a short blink video and your model sticker. We'll advise the next step before any work is recommended.

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Other diagnostic tools

If your unit shows an error code or a different problem instead, try a different starting point.

Error codes

Display showing a code? Look up what it means for your brand.

Aircon problems

Diagnose a specific problem like no cooling, water leak, or noise.

Panasonic brand hub

Guides, resources, and model info for Panasonic aircon.

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