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Moen Solutions

How To Replace The Electronic Box


  This guide will instruct you on how to change the electronics box on your Moen Hands Free faucet.

For questions regarding a U By Moen Smart Faucet, please visit the support page in the mobile app.


MotionSense Hands Free Dual Sensors 2012-2015

Tools needed: Safety goggles, Flathead screwdriver

Removing the Electronics Box

1. Unplug the black power cord and from the Control Box.                                                                                                                                                                  


2. Unplug the the data cable from the Control Box.                                                                                                                                                                       


3. On the bottom of the Electronics Box you will find a Phillips screw. Remove this screw to release the Electronics Box.                                                                                                 


4. Gently pull the Electronics Box a few inches from the Control Box. There are five wires still connected, so do not pull this too far.                                                  


5a. Find the two connectors on the back of the Electronics Box. Three wires are attached with one connector and two wires with the other connector. For each connector, gently depress the tab.


5b. Slide the connector away from the Electronics Box. This will free the Electronics Box from the main Control Box.                                                                


Installing the New Electronics Box

1a. Attach both connectors to the new Electronics Box.                                                                                


1b. Push each connector until it snaps into base.                                                                                              



2. Push up gently on Electronics Box to the control box. Use caution to prevent pinching or
damaging wires.


3. Assemble the screw to the Electronics Box.                                                                                                               


4. Insert the data cable to the data port on bottom of the control box. Push to secure.                                                    


5. Before connecting battery pack or AC adaptor, insure that no objects are within 3 feet of faucet sensors. 



MotionsSense Hands Free Dual Sensors and MotionSense Hands Free Wave Single Side Sensor 2015-Present

Tools needed: Safety goggles, Flathead screwdriver

To proceed with this repair you must shut off the water source that supply this faucet. For details see How To Shut Off The Water Supply  


Removing the Old Electronics Box

1. Unplug the Battery Holder Cable  from the Control Box. 



2. Unplug the Data Cable from the Control Box.           



3. Carefully press tab with flathead screwdriver to swing open.   


Use caution to prevent pulling wires connecting the Electronic box to the Control Box.


4. Press end of tab to release the wire connector.  Do this for both tabs.  Pull connectors away from base.    



Installing the New Electronics Box

1. Align the red mark on the tab with the red dot on the Electronics box. Inset connectors from the new Control Box into the base of the Electronics box.  Push each connector until it snaps into the base.


2. Push each connector until it snaps into base.



3. Insert the top of the Electronics Box into the Control Box. Swing closed until the tab locks in (Use caution to prevent pinching or damaging the wires).     


4. Insert the Data Cable to the data port on the bottom on the Control Box. Ensure the cable is pushed all the way into the control box. The data cable plug goes into a two-stage socket. To insure this is fully inserter, push the plug until it feels like it is seated in the socket, then apply a little extra pressure until it locks into the socket and is fully seated.                               


5. Insert the Battery Holder cable (or AC adaptor) to the Control Box power port. Ensure the cable is pushed all the way to the Control Box.Push the cable until it can not be pushed any farther  

Before connecting battery holder or optional AC adapter with Power Splitter, ensure that no people or objects are within 3 feet of faucet. These could interfere with start up process.


6a.Check to ensure sensor(s) and handle are working properly.

ms2 faucet check.png

 6b. For Wave Single Side Sensor Faucets:

Check to ensure handle is working properly. Turn on water with handle to test that the hot and cold
water will run. Turn handle off.                                                                                                                                                                                                            



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