Customers should check the rating plate on their unit(s) to determine if the model number reads JW850S40P-AV1 301. If this is the model number on their unit(s), they should then verify the serial number on the rating plate and compare it against the list of affected serial numbers listed in this notice. If their unit is affected by this recall, customers may contact John Wood customer service by telephone at 1-888-479-8324 to schedule a repair, free of charge. Please note that the Canada Consumer Product Safety Act prohibits recalled products from being redistributed, sold or even given away in Canada. Health Canada would like to remind Canadians to report any health or safety incidents related to the use of this product or any other consumer product or cosmetic by filling out the Consumer Product Incident Report Form . Date modified: 2014-09-11