Press and hold the power button on the Dyson vacuum for at least 10 seconds and see what happens to solve the problem. Dyson dealer cleaned till batteries wore off a tempoarary fault ( e.g ' t turn on or work was! The blue LEDs - one on each side of the battery - will flash on and off during charging. No lights. Dyson V6 Handheld Vacuum LED Error Codes - AVForums dyson v7 blue light flashes 10 times - nyhconstruction.com . dyson v7 flashing blue light 12 times - flpoolbuilder.com Dyson V7 flashing red light 32 times. Models like V6 and V7 should have normal runtime of 20-30 minutes and if it is lower then it definitely needs a new battery. Next, if you see the blockage light turning off, then be certain that there is some blockage in the tools or the wand. Remove the charger. However, the vacuum will not work if it senses that the filter unit is not installed correctly. . The Dyson V11™ battery and monitoring system work together to gauge how much run time is remaining. Flashing blue light means that the battery is plugged in but is not charging. Step 7: Replace the rear brush bar, followed by the main brush bar. Dyson V11 Animal Replacement parts . The machine can take up to 4.5 hours to fully charge. dyson v10 3 solid blue lights no power - cubecrystal.com I have a dyson v11 animal, purchased last year (serial - JustAnswer Plug in your Dyson vacuum cleaner into a working outlet and check whether the lights on the charging dock or the adapter are on. Therefore, check both ends of the wand carefully. I thought it might be blocked so dismantled , cleaned inside cone and head and got loads of muck out. Dyson V11 Absolute (Nickel/Blue) Replacement parts.