“Comfort handle not recognised” fault.
Remove the Comfort handle as follows:
Switch off the vacuum cleaner using the On/Off switch on the front of the Comfort handle if you want to separate the sections.
Press the release button and remove the Comfort handle by pulling upwards.
Refit the Comfort handle as follows:
Push the Comfort handle down onto the suction tube connector from above until it audibly clicks into place, see left image detail.
Slide the Comfort handle along the guide line on the dust container handle and down onto the PowerUnit connector from above until it audibly clicks into place, see right image detail.