# HONEYWELL EVOHOME / Plugwise / **URL:** \ **Category:** Questions & Help\ **Created:** [October 2, 2019, 4:41pm UTC](https://community.homey.app/t/honeywell-evohome-plugwise/18768 "2019-10-02T16:41:17Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![TedTolboom](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/tedtolboom/32/12081_2.png) [@TedTolboom](https://community.homey.app/u/TedTolboom)\ **Post date:** [October 3, 2019, 11:05am UTC](https://community.homey.app/t/honeywell-evohome-plugwise/18768/6 "2019-10-03T11:05:31Z")
@MarcelT there can be a lot of causes for that… Check the installation instructions I wrote on this forum; it does give some insights into the difference between battery / USB powered operation, the sequence you need to install the devices and how to extend the USB power cable. > [@\[APP\]\[Pro\] Plugwise App by Plugwise \[Adam, Anna, Smile P1\] \[v3.1.0\]](https://community.homey.app/t/plugwise-adam-zone-control-by-athom-app-beta-v1-0-0/8828/3): > > Installation advise A. Adapter vs batteries From Plugwise site; note behaviour of the device (router or enddevice) is determined based on the power option (battery or power supply) used during inclusion of the device to the Adam bridge: The Lisa and Tom work with batteries (minimum service life 1 year), but can also be powered via a USB adapter. Depending on the choice of battery, upon inclusion to Adam, or adapter, it works differently within the ZigBee network. Power supply via adapter Ac… If you plan ahead (where are you able to use extended USB), use the correct sequence of installation, then it is a reliable system --- _[View the full topic](https://community.homey.app/t/honeywell-evohome-plugwise/18768)._