IKEA E1841

Model	E1841
Vendor	IKEA
Description	KNYCKLAN open/close remote water valve
Exposes	battery, action, linkquality
Picture

Notes

Pairing

Pair the switch to Zigbee2MQTT by pressing the pair button (found under the back cover next to the battery) 5 times in a row. The red light on the front side should flash a few times and then turn off (it’s more visible to see the light from the back). After a few seconds it turns back on and pulsate. When connected, the light turns off.

OTA updates

This device supports OTA updates, for more information see OTA updates.

Exposes

Battery (numeric)

Remaining battery in %, can take up to 24 hours before reported.. Value can be found in the published state on the battery property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"battery": ""}. It’s not possible to write (/set) this value. The minimal value is 0 and the maximum value is 100. The unit of this value is %.

Action (enum)

Triggered action (e.g. a button click). Value can be found in the published state on the action property. It’s not possible to read (/get) or write (/set) this value. The possible values are: on, off.

Linkquality (numeric)

Link quality (signal strength). Value can be found in the published state on the linkquality property. It’s not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.