I can hear noises from the DVS fan during the day and night.It is possible that in the dead of night you may be able to hear a soft ‘hum’ from your DVS from certain rooms in your house, but it is unusual that you would hear it operating during the day. If the DVS is making ‘clunking’ or ‘clicking’ noises or is very noisy it may indicate that the centrifugal fan is damaged or worn and you should call us on 0800 387 387.
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