Filter
Top Products
Remove and Replace
WFM90D and WFM91D Service Manual
6-15
Top Board Assembly
The Top board assembly contains replaceable subparts.
Remove. To remove the Top board:
1. Remove the top cover. Refer to Top Cover on page 6--5.
2. Remove the two retaining screws from the top of the Top board.
3. Gently pull on the bottom of Top board to separate it from the Bottom board.
4. If you are replacing the Top board, remove the keypad from the Top board.
Refer to Keypad on page 6--16.
Replace. To replace the Top board:
1. Install the keypad if you have replaced the Top board. Refer to Keypad on
page 6--16.
2. Gently press on the bottom of the Top board to insert the Top board
connector into the Bottom board connector.
3. Be sure that the circuit board shield is properly aligned. Refer to Top Board
Shield on page 6--17.
4. Install the two retaining screws into the top of the Top board.
5. Install the top cover. Refer to Top Cover on page 6--5.
Top Board