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New installed W.Bosch Greenstar 30CDi with DT20RF programmer. Have been getting intermittent cut out of heating when in progress as indicated on the programmer display by flashing green heating led and flashing CH & RF receiving icon on lcd disply. The heating ceases and resumes eventually on its own accord.The thermostat is still requiring heating according to its display. The thermostat batteries are fine ,there is no error messages on thermostat. Any ideas?

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  • fixya346 Nov 19, 2008

    My Worcester Bosch Greenstar 30CDi with DT20RF programmer was installed in April and has same symptoms except the only thing flashing is RF receiving icon on lcd disply.

  • lambertsj Dec 12, 2008

    my dt20rf has just started doing the same thing (installed april) i have noidea whats causing it can the radio frequency be interfered with by anything?

  • philjames Dec 20, 2008

    Unit was installed earlier this week. Exactly the same problem is occurring. Heating comes on and off at apparently random times.

  • tez100 Dec 22, 2008

    Same as other posts...unit has been installed about 10 months...replaced batteries...cant setup RF link.

  • xeejay Mar 14, 2009

    The Heating does not function until the OK button is pressed and then it will not allow selection of timer mode for about ten to twenty minutes, it eventually reverts to timer. The antenna is flashing during this time, could it be interference form our computer network modem which is quite close by?

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One of my customers had the same fault recently. We tryed to reset the radio connection but, the appliance still did not respond.
The receiver was disconnected for the evening to prove boiler and system functionality which was ok.
Next day we installed new receiver & followed set up. customer has had no symptoms for 2 mnths.
Hope this helps.

Posted on Apr 21, 2009

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