IKEA E1842

Model	E1842
Vendor	IKEA
Description	KNYCKLAN receiver electronic water valve shut-off
Exposes	switch (state), power_on_behavior, water_leak, linkquality
Picture

Notes

Pairing

Pair the switch to Zigbee2MQTT by reseting the receiver. This is done by pressing the on and off buttons simultaneously for 5 seconds.

OTA updates

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

Options

How to use device type specific configuration

• state_action: State actions will also be published as 'action' when true (default false). The value must be true or false

Exposes

Switch

The current state of this switch is in the published state under the state property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state": "ON"}, {"state": "OFF"} or {"state": "TOGGLE"}. To read the current state of this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"state": ""}.

Power-on behavior (enum)

Controls the behavior when the device is powered on after power loss. Value can be found in the published state on the power_on_behavior property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"power_on_behavior": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"power_on_behavior": NEW_VALUE}. The possible values are: off, on, toggle, previous.

Water leak (binary)

Indicates whether the device detected a water leak. Value can be found in the published state on the water_leak property. It's not possible to read (/get) or write (/set) this value. If value equals true water leak is ON, if false 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.