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No heating

2

Comments

  • Rodders53
    Rodders53 Posts: 2,742 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    edited 27 November 2021 at 11:38AM
    Batteries  will be in the RF thermostat / display unit in hallway.

    https://www.draytoncontrols.co.uk/sites/default/files/Digistat+RF SCR Quick Start Guide.pdf  is the quick start guide to the units and includes how to re-pair the two.
    Try that before replacing the batteries?  It may all come good?

    It appears that a brief press of button 2 (override) of the box next to the boiler should make the boiler CH circuits run in 'manual' mode, even if the RF thermostat unit's batteries are exhausted?

    You'll need to find the manual for the RF thermostat as well in all probability to set that up properly?


  • The green light apparently indicates that the boiler IS being told to come on. The flashing red suggests a poor connection between the two WiFi units, and the most likely cause is low battery power.
  • Nice, Rodders.

    Is that your thermostat model, Luna? If it has a digital LCD display, is it dim, or does it show a flashing battery symbol?




  • LunaD
    LunaD Posts: 64 Forumite
    Third Anniversary 10 Posts Name Dropper
    LunaD said:
    Meanwhile, pressing button '2' should override the 'stat and turn your heating on. Press it again and it should go off. So you shouldn't be without heating.
    (Bear in mind when it's on using the override, it'll stay on until you manually turn it off again by pressing that '2' again. The thermostat won't have any effect.)
    Thanks, I will give that a try now. So we will have to always do it like that by pressing 2? Or once batteries replaced we won’t need to press the override  2 button? 
    Thermostat in hallway. I now see battery is flashing on that too lol. 
  • LunaD
    LunaD Posts: 64 Forumite
    Third Anniversary 10 Posts Name Dropper
    Rodders53 said:
    Batteries  will be in the RF thermostat / display unit in hallway.

    https://www.draytoncontrols.co.uk/sites/default/files/Digistat+RF SCR Quick Start Guide.pdf  is the quick start guide to the units and includes how to re-pair the two.
    Try that before replacing the batteries?  It may all come good?

    It appears that a brief press of button 2 (override) of the box next to the boiler should make the boiler CH circuits run in 'manual' mode, even if the RF thermostat unit's batteries are exhausted?

    You'll need to find the manual for the RF thermostat as well in all probability to set that up properly?


    Thank you. I’ve attached a photo of the hallway thermostat too. That is flashing low battery now.
  • Ectophile
    Ectophile Posts: 8,096 Forumite
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    edited 27 November 2021 at 12:45PM
    Do consider the possibility that it isn't the remote wireless thermostat that's broken.

    My heating would intermittently fail to come on last year. I replaced the batteries, but it didn't help. The receiver unit showed all the right lights to say it was calling for heating.

    It was only with some fault finding that I found the relay in the receiver was broken. It was failing to turn the boiler on.

    PS intermittent flashing of the red light is normal. It flashes when receiving data from the wireless thermostat.

    If it sticks, force it.
    If it breaks, well it wasn't working right anyway.
  • That's pretty conclusive, then!
    It's Drayton's RF701 model, then. Plenty info online.
    Good chance your 'cover' wouldn't actually cover the replacement of batteries, as this is considered a 'user' issue - a 'consumable' rather than a fault.
  • Ectophile
    Ectophile Posts: 8,096 Forumite
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    Another possibility is that it's the valve that diverts the hot water to either the tank or the radiators. If that's jammed in the hot water position, then the boiler will never start.
    If it sticks, force it.
    If it breaks, well it wasn't working right anyway.
  • I suspect it's a combi boiler.
    I think Luna has arrived at the cause :smile:
  • LunaD
    LunaD Posts: 64 Forumite
    Third Anniversary 10 Posts Name Dropper
    That's pretty conclusive, then!
    It's Drayton's RF701 model, then. Plenty info online.
    Good chance your 'cover' wouldn't actually cover the replacement of batteries, as this is considered a 'user' issue - a 'consumable' rather than a fault.
    My husband replaced the batteries, battery light off on thermostat and box by boiler has stopped flashing red alarm. The radiators are warmer than they were before but still not hot like they should be. Very odd. I’ve kept it on a good hour and they’re not hot like they should be. 

    Another thing I’ve noticed is I’ll turn it on say 24c and it’s on but after an hour or so I’ll go check the thermostat and it’s on 14c like it’s turned itself off. No one has touched it. I’m so confused lol. 
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