Why won't my Panasonic S-28MK2E5A turn on immediately?
- TThomas BaldwinAug 17, 2025
When power is turned ON instantly, operation is not activated for the first approximately 3 minutes because the compressor protection circuit is activated.





Why won't my Panasonic S-28MK2E5A turn on immediately?
When power is turned ON instantly, operation is not activated for the first approximately 3 minutes because the compressor protection circuit is activated.
Why does my Panasonic S-28MK2E5A smell?
The discharged air may smell during operation because of indoor odor components, cigarette odor, and cosmetic odor accumulated in the air conditioner. Alternatively, the unit inside may be dusty.
Why is my Panasonic Air Conditioner making noise?
Your Panasonic Air Conditioner might be making noise due to several reasons: * The sound of refrigerant liquid flowing inside the unit, which sounds like streaming water during or after operation. * The sound of drainage water through the drain pipe, also sounding like streaming water during or after operation. * Cracking sounds due to temperature changes of parts, which you may hear during operation or when the operation stops.
Why does the fan keep running after I turn off my Panasonic Air Conditioner?
The fan may continue to rotate after the Panasonic Air Conditioner is turned off to ensure smooth operation or to dry the heat exchanger due to specific settings.
Why won't the wind direction change on my Panasonic Air Conditioner?
The wind direction on your Panasonic Air Conditioner might change automatically or be unchangeable because when the air discharge temperature is low, or during defrost operation, horizontal wind flow is made automatically. Also, the flap position may occasionally be set up individually.
Why is my Panasonic Air Conditioner noisy in heating mode?
Noise often occurs in heating mode during defrost operation.
Why does the outdoor fan on my Panasonic S-28MK2E5A Air Conditioner keep running after I turn it off?
The outdoor unit fan may continue to operate for a while after the Panasonic Air Conditioner is turned off via remote to ensure smooth operation.
Why is there condensation (dewdrop) near the air discharge of my Panasonic S-28MK2E5A Air Conditioner?
Dewdrop can accumulate near the air discharge during operation because indoor moisture is cooled by the cool wind and accumulated as dewdrop.
Why does the flap on my Panasonic S-28MK2E5A Air Conditioner move several times when I change the wind direction?
When the wind direction is changed, the flap operates after searching for a standard position, which is why it moves several times before stopping at the designated position.
Why does my Panasonic S-28MK2E5A Air Conditioner's fan run faster than the set speed at the start?
At the initial high-speed operation, the fan may sometimes rotate faster (for 3 to 30 minutes) than the setting speed in order to confirm whether the fan motor rotation is within use range.
Explains symbols like WARNING and CAUTION for hazards.
Lists critical warnings about refrigerant, flammable materials, ventilation, and wiring.
Instructs to stop use and disconnect power upon abnormality, listing common failure examples.
Provides safety warnings for cleaning, including power disconnection and avoiding harsh chemicals.
Guides on cleaning air filters, front panel, and indoor unit exterior with specific instructions.
Lists common indoor unit symptoms like noise, odor, fog, and their potential causes.
Lists common outdoor unit symptoms like no operation, noise, and steam, with their causes.
Explains symbols like WARNING and CAUTION for hazards.
Lists critical warnings about refrigerant, flammable materials, ventilation, and wiring.
Instructs to stop use and disconnect power upon abnormality, listing common failure examples.
Provides safety warnings for cleaning, including power disconnection and avoiding harsh chemicals.
Guides on cleaning air filters, front panel, and indoor unit exterior with specific instructions.
Lists common indoor unit symptoms like noise, odor, fog, and their potential causes.
Lists common outdoor unit symptoms like no operation, noise, and steam, with their causes.
| Brand | Panasonic |
|---|---|
| Model | S-28MK2E5A |
| Category | Air Conditioner |
| Language | English |












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