If you are using one of our battery powered thermostats that sends a radio signal to one of our wiring centres or receivers.
When failsafe is enabled on the thermostat, it is designed to send a signal to the wiring centre/receiver once every 20 minutes. The wiring centre, in turn will expect this signal every 20 minutes.
If, for whatever reason, the wiring centre fails to pick up 2 signals in a row, in other words after 40 minutes. That zone will come on for 12 minutes every hour until the signal is resolved.
In other words, you may see the zone light and heating coming on, even if there is no flame icon on the thermostat.
It will only apply to the zone in question. In other words zones that the wiring centre/receiver can communicate with will not be affected.
Common Causes
- Low batteries in the thermostat
- Due to the fabric of the building or distance, the signal is not getting from the thermostat through to the wiring centre or receiver.
- The aerial is not pointing upwards on the wiring centre. Referring to the UH8-RF or UH8-RF V2. Please note that you can use the extender ariel which is supplied or order the EA1 here.
- Dead batteries in the thermostat
- The thermostat has lost pairing to the wiring centre or receiver. See the pairing links section below.
- Physical objects in the way between the thermostat and the receiver, for example an ironing board leaning against the wiring centre.
What is the purpose of Fail safe?
Due to the zone unable to pick up any instructions, the heating comes on for the 20% of the time to keep the heating ticking over. This can be important, for example if you were away and the batteries failed in the middle of winter, it would at least keep heating ticking over in the room and to potentially prevent frost damage.
Are there boosters that can help?
Use can use either the neoPlug or the Heatmiser Boost as a signal booster. You can put more than one of our boosters on the same network. They will repeat the signal off each other.
Do WIFI boosters help?
I am afraid not, the thermostats send a one way radio signal to the receiver.
Can Fail safe be turned off?
Fail safe can be turned off, however it is not usually recommended.
- Turning failsafe off will not resolve a signal issue.
- Be aware that if the batteries fail or a poor signal, the heating could remain on or off.
See Also:
- What causes my UH8-RF/RF Switch to come on unexpectedly ?
- What can cause RF signal issues?
- How to turn off fail safe on a neoAir thermostat
- How to turn on fail safe on a neoAir thermostat
Pairing information:
If you have one of the neoAir thermostats and the UH8-RF wiring centre
- neoAir not communicating with UH8-RF but other thermostats do
- Get UH8-RF Channel number
- How do I pair the neoAir to the UH8-RF
- How to remove a neoAir from a UH8-RF wiring centre
- How To Factory Reset a neoAir which is connected to a UH8-RF wiring centre
- Resetting a neoAir without losing pairing information to the UH8-RF
Pairing Information:
If you have neoAir thermostats and the UH8-RF V2 wiring centre
If you have neoAir thermostats and you have the RF Switch or RF Switch V2
- How to Factory Reset a neoAir and connect to an RF Switch
- How to Factory Reset a neoAir when connected to an RF Switch V2
If you have a Slimline RF and UH8-RF wiring centre
- Get UH8-RF Channel number
- How do I pair my Slimline-RF to the UH8-RF
- Pairing Slimline RF V3 with UH8-RF wiring centre
If you have a Slimline RF and UH8-RF V2 wiring centre
- Pair a Slimline RF or a Slimline RF V2 to a UH8-RF V2
- Pairing Slimline RF V3 to UH8-RF V2 wiring centre
If you have a Slimline RF and RF Switch or RF Switch V2