Page 1
Then, remove the two screws holding the upper front panel in place, lift and pull away from the unit, and set aside. 2. Remove the screws holding the back-silver panel in place. Remove and set aside. WL900 Manual Page 66 – Revision: 5-12-2021...
Page 2
PCB and unplug from the board. When placing the new sensor, wrap with electrical tape to secure it in the tubing sleeve and return all foam pieces to original position. WL900 Manual Page 67 – Revision: 5-12-2021...