E14
Delta Dore
Lost Communication with Wireless Actuator / Zone Module
E14 displayed and thermostat cannot detect one or more wireless radiator actuators or zone modules.
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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
Actuator out of RF range, Actuator battery depleted, Actuator not paired or removed from system, RF interference or metal obstacles
How to Fix / Troubleshooting
Safety first: When working near radiators or manifolds, be cautious of hot surfaces.
- Check actuator power: For battery-powered Delta Dore radiator actuators, replace batteries and ensure the display/LED is active. For mains-powered zone modules, verify power supply.
- Reduce distance and obstacles: Ensure the actuator is within range of the thermostat or repeater. Avoid enclosing actuators in metal cabinets or behind thick walls.
- Re-pair the device: Put the actuator into pairing mode (refer to its manual) and use the thermostat or Tydom app to add it again. Confirm that it appears in the device list.
- Check RF environment: Move Wi‑Fi routers or other RF devices away from the thermostat/actuator if they are very close and retest.
If E14 persists for a specific actuator despite good batteries and re-pairing, the actuator’s RF module may be defective and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Delta Dore Wireless Radiator Actuator / Zone Module
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