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Siemens central heating controlller

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tisme_2
tisme_2 Posts: 28 Forumite
Part of the Furniture 10 Posts Combo Breaker

I have a Siemens RDJ10RF wireless thermostat controller. The screen has gone faulty and only showing half of the numbers. I have changed the batteries to the recommended new alkaline ones and it has not changed the display. Anyone know if it can be easily fixed or do I need a new controller. It is about 10 years old. Thanks in advance. 

Comments

  • QrizB
    QrizB Posts: 18,342 Forumite
    10,000 Posts Fourth Anniversary Photogenic Name Dropper
    In my experience, half a display means a fault within the device. How are you with a soldering iron? If you choose to take it apart, I'd start by looking at the connector between the display and the PCB.
    If that's not your cup of tea, I suspect you're going to need a replacement unit.
    N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
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  • tisme_2
    tisme_2 Posts: 28 Forumite
    Part of the Furniture 10 Posts Combo Breaker
    Hi QrizB.
    Thanks for your reply. I probably wouldn’t try soldering it as wouldn’t be confident that I will not make it worse without the correct testing equipment. 
    Will be better off replacing it with a new one. 
    Thanks again.  

  • tisme_2
    tisme_2 Posts: 28 Forumite
    Part of the Furniture 10 Posts Combo Breaker

    Hi again QrizB.
    Looking to replace the unit with a Siemens RDJ100RF for similar ease of use setting up timer etc. 
    Would you know if I need to buy the set or just the transmitter if it would be compatible with my existing receiver (as in previous picture). 
    Thanks again. 
  • QrizB
    QrizB Posts: 18,342 Forumite
    10,000 Posts Fourth Anniversary Photogenic Name Dropper
    I don't know, sorry, but someone here almost certainly will!
    N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.
    Not exactly back from my break, but dipping in and out of the forum.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
  • tisme_2
    tisme_2 Posts: 28 Forumite
    Part of the Furniture 10 Posts Combo Breaker
    Just looked online and they do not seem to be available as transmitter only. Have to buy as a set.  Thanks again. 
  • FreeBear
    FreeBear Posts: 18,259 Forumite
    Tenth Anniversary 10,000 Posts Name Dropper Photogenic
    tisme_2 said: Thanks for your reply. I probably wouldn’t try soldering it as wouldn’t be confident that I will not make it worse without the correct testing equipment.
    With many devices with this type of display, the connection between LCD and PCB is by way of a strip of conductive rubber. Sometimes, careful disassembly, cleaning of the PCB contacts and reassembly is enough.

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  • tisme_2
    tisme_2 Posts: 28 Forumite
    Part of the Furniture 10 Posts Combo Breaker
    Hi FreeBear. Not too happy to try that so just ordered online to make sure. The unit was probably over 10 years old. Thanks for your help. 
  • Lorian
    Lorian Posts: 6,257 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Or the display is delaminating in which case the display needs to come out and be very carefully clamped and heated (results vary) 
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