Power failurehelpline manual DCBefore completing these checks, it is important to determine whether or not the thermal cut-out has activated - was the machine inuse when the power stopped? If so, follow the checks on page 22. Otherwise, carry out these checks if the customer has reportedpower failure.Note: If the customer advises you the machine was working intermittently - cutting in and out in quick bursts, as the machine is movingback and forth - arrange a repair, as this may indicate a cable problem. Also advise the customer not to use the machine until arepair has been carried out.Ask the customer to_'- unplug the machine._!_i' Examine the plug thoroughly for"..J damage or burn marks. Check thefront and back of the plug.Make sure the customer's home has\_) power. Check trip switch and fusebox._"', Test the socket with a different_',_',,_ appliance./'_ii',/ Check the length of the cable for*',.i_,/ wear and tear, such as splits ordamage.<,,77_i *UK only. Make sure a 13 amp fuse is fitted. Alsotry a 13 amp fuse from a known working appliance.Note: 5 or 7 amp fuses will blow on initial start updue to motor current surge._!7'_",_Has water or any other liquid been"MJ picked up which may have causedelectrical problems?With the exception of the power fuse needing changing or a problem related to the power supply in the customers home, if the faultis any of the above, arrange a repair.Note: The Dyson guarantee does not cover wear and tear to the cable and plug, or the pick-up of liquids.Important adviceCAUTION: If the fault is related to any electrical or mechanical issues, please ask the customer not to use themachine until a repair has been carried out.Unusual noises and smellsCarry out the relevant checks if the customer reports any unusual machine noises or smells.• If the noise is a loud, grinding sound, (possibly with strong odour), this may indicate a problem with the motor. A repair shouldbe booked. Advise the customer not to use the machine until after a repair has been carried out. Also check the cleaner headfor obstructions or damage.• If the noise is a high pitched or whistling sound, complete the suction/blockage checks on pages (19-21) before booking arepair.• If the customer reports a rattling noise, check to make sure that there is nothing rattling around in the clear bin. If the noiseremains, carry out the blockage checks on pages (19-21), before booking a repair.• If the customer reports a strong, electrical type burning smell, book a repair and advise the customer not to use the machine. Ifthe smell is related to something that may have been picked up, carry out the blockage checks on pages (19-21). Also, ask thecustomer to wash the clear bin and pre-filter.23