E14
Wiser by Drayton
Zigbee Network Join Failure for Thermostat
Wiser Room Thermostat shows E14 and cannot communicate with the Wiser app; app shows device offline while other devices are online.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Thermostat not properly joined to Zigbee network, Network table full on Heat HubR, Interference during join process, Thermostat Zigbee radio fault
How to Fix / Troubleshooting
Safety: No mains work required.
- Remove and re-add device: In the Wiser app, remove the thermostat, then use Add Device to rejoin it to the system.
- Move closer to Heat HubR: Perform the pairing process within a few metres of the Heat HubR to ensure strong signal.
- Check maximum device limit: Verify that you have not exceeded the maximum number of devices supported by your Wiser Heat HubR.
- Use a Smart Plug repeater: If the thermostat is far away, add a Wiser Smart Plug between it and the Heat HubR to improve mesh coverage.
If E14 persists even at close range, the thermostat's Zigbee radio may be faulty and the thermostat should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Wiser Room Thermostat RF module
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