Fan has a humming noise and locking up
a.if there were a dead bird inside, you'd know it from the smell! if the outside vent has the proper hood on it, it's doubtful a bird could get into it. possibly a roof-rat, but still- the smell!
b. have you 'de-greased' the filter lately? clogged filter can cause airflow problems, as well as allowing fan blades to become greased up and unbalanced, which could cause a noisy condition. if you can- remove the filter unit and check the fan blades for crud. use a gentle application of windex, rubbing alcohol, or some other gentle solvent to clean the blades. the leading edges usually pick up the most crud. you should be able to see this! carefully, using q-tips, or a small brush, clean off the crud! the fan's probably out of balance. WD40 works pretty well, too. also lubricates the shaft bushing that the blades are attached to. make sure the fan is turned off! duh!! good luck! also- soak the filter in hot water and a good de-greaser for a while, 'til you can see light through it. it's probably aluminum mesh- so use very hot water and a goodly amount of 'grease cutting' dish detergent. rinse well.
once again- good luck! the filter is probably held in place by clips. once removed, you will probably need a flashlight to work on the fan blades. put paper towels, or newspaper down to catch drips!
Sep 29, 2009 |
GE ZV750SY Kitchen Hood