Inverter Cooling Fan Noise

Integrated noise damping system a virtually silent fan and compressor for super quiet performance.

Inverter cooling fan noise.

If so why it comes only sometimes that too only during charging when mains are on. Maybe when the dust is gone the fan will run less. Inverter cooling fan noise not sure what the history on the fan has been but you may need to clean out dust and fur like cleaning the coils under a fridge. So i m wondering how foolish it would be to disconnect or add a simple switch the cooling fan.

Streamline floor ceiling inverter air conditioning systems 48000btu 210 500 00. As soon as the increased fan activity is able to cool down the inverter the circuit automatically steps back to state 2 and later to the calming state 1. It is only discussed beeping sound or alarm sounds but my inverter makes swooshing noise getting louder then getting completely silent like a fan operated by regulator whether it is cooling fan if any that is inside.