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Rinnai freestanding Royale ETR flame fire (mains gas): All of a sudden my heater cuts out when it reaches the set temperature and I cannot work out why. I have the ''Auto Off'' turned off. I cannot work out how to disable the timers - I do not want them on, I just want to be able to turn the heater on and off as needed. It works ok when the room is cold, but once it reaches a certain temperature it seems, it just cuts out and cannot be started again until the room gets cold again. Very frustrating. I hope someone can help please - we are freezing our butts off here. Never used to have any problems before. Thanks, Leanne

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  • pigsti555 May 17, 2009

    My Rinnai built in Royale ETR will also switch off when it reaches a set temperature say 22'C. The only way to get it back on is to turn it off and on again. It has to be left on High otherwise it will continually turn off when the room heats up.

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I had the same problem with this unit and had the heater serviced which fixed the problem. The problem is caused by the pilot flame not being big enough to keep the thermocouple hot, so the heater thinks the flame is out and it turns the gas off! The thermocouple is effectively a switch that is on when hot and off when cold. The pilot flame is supposed to keep it hot, so its on and the main burner will get gas. When its off (ie cold) gas is blocked from the main burner for safety reasons! This manual is for a very similar heater: http://www.rinnaisales.co.nz/tradesmart/rinnai2/pdfs/service_info/171.pdf

You need to get at the pilot and clean it out!

David

Posted on Jul 14, 2009

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