1. Check the bottom of the box, you should see the model number near the bar code.
2. Check the back or bottom of the main unit, it should have a rating label that shows your model number.
3. Check your manual. Your product’s model number is listed on the front cover of your instruction booklet.
OL700 Series
OL600 Series
OL500 Series
FD400 Series
FD300 Series
FD100 Series
OS400 Series
OS300 Series
OS100 Series
OP300 / OP400 Series
OP100 Series
PC100 Series