Ariston Unstable RF Link Between Thermostat and Receiver

Thermostat frequently loses pairing with wireless boiler receiver or gateway, causing intermittent heating control.

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.

Possible Causes

RF interference, Receiver mounted inside metal enclosure, Low receiver supply voltage, Faulty RF module

Safety: Isolate power to the receiver before moving or rewiring it.

Relocate receiver: Move the Ariston wireless receiver outside of metal cabinets and away from large appliances.
Re-pair devices: Follow the pairing procedure in the manual to re-establish a secure link between thermostat and receiver.
Check power supply: Ensure the receiver is supplied with stable mains or low-voltage power as specified.
Reduce interference: Keep the receiver away from Wi‑Fi routers, cordless phone bases, and microwave ovens.

Medium 3/5

Ariston Wireless Boiler Receiver

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