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
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.
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
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