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Make sure that the pin on the back cover penetrates deeply enough into the unit to activate the power. I too couldn\'t figure out why mine wouldn\'t start until I pressed hard on the bottom right corner of the back cover. When I did the unit started immediately because the pin wasn\'t fully inserted. To solve the problem I held the cover tight with a piece of duct tape and haven\'t had a problem since.
best best is to unplug the unit, and clean the blades completely with a damp cloth, then wait a few for the blades to dry and put them back in the unit. usually cleaning these every 2 to 3 weeks and they should be kept clean to be effective at removing the contaminants in the air. theirs alot of controversy over thease untis thease day's butthey do fuction properly if kept in top condition. also note that the blades must be properly seated in the houseing to work. safty feature that if bumped or knocked down it will cause the system to mostlikly stop working till you pull the blades out and put them back inj. i observed this myself with a model and they are failry good quality but a pain to clean. good luck with it.
To stop the
crackling sound, you need to remove all of the dust particles from the wire in
the back. Sometimes when the unit is extremely dirty you can see sparks emanating
from the wire, this is what causes the crackling sound. The unit has a built in
cleaner you can lift up and down to perform this task, located on the top, but
this doesn't work extremely well.
I usually take a can of compressed air and blow as much of the dust I can off
the wire and all surrounding internal areas as I can. This along with a
thorough cleaning of the blades should eliminate the crackling noise. Of
course, make sure the device is unplugged before performing any cleaning.
Not sure about the smell though. Mine has started to smell a little strange and
I haven't figured out how to fix that problem.
firstname.lastname@example.org here is their email address for more information, I will have to look for the phone number. If you have your original order form it has it on it. That is what I will look for though. hopefully their email will get you the number faster though.
One of my tabs broke today after 5 years. It looks like the tab piece just cleans the wire when the element is removed. Seems like it does the same thing as the little beads that slide along the wire when you turn it upside down. So I'm going to just use it without the tabs.
I have two Quadras not sure about the GPS. The only way to clean them properly is to complete the folowing steps. This will eliminate the hissing noises and intermittent shutdowns. Clean the blade unit as normal and leave it out of the unit. Unplug the unit, remove the four phillip screws on the top of the unit where the collector grid slides down. Next remove the four screws holding on to the base of the unit. After this you will see two additional screws also by the base that need to be removed. Look carefully between the grills of the unit and you will see about 12 to fifteen tiny screws that hold the grill together. After these are removed take off the UL label and seprate the grill. You may have to gently pull up on the top where the power switch is located. I have found if you use a lightly dampened scotch brite pad to carefully clean the two wires works best. Clean the wires and pins at the bottom and make sure all is well. Use a microfiber or lint free cloth to gently wipe everthing down and make sure the unit is dry. Put it back together and put the UL sticker back on.