Question about Heating & Cooling
It at first would start cutting off, and now it wont even turn on, what can I do to fix this I can not afford another one and the store wont let me return it for a new one. please help if you can
Can't you exchange it at the store where you bought it and get a different one? It certainly shouldn't stop working after only two months of use.
Posted on Nov 27, 2012
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Posted on Jan 02, 2017
about the only way I can figure is to let the room get very cool and adjust the thermostat to its lowest setting. now turn on the unit. monitor the heat until the stat just opens. the thermostat bimetal will be closed and will open when the bimetal expands and opens its contacts. another way is to hitch up a chart recorder to measure temperature with its output connected to the heater. [too expensive for you or the DIY to accomplish]
Posted on Dec 14, 2007
ok, your unit must be propane. look on the back where the propane line feeds the nozzle. there should be a very small copper line with two spade connectors on it. this is your millivolt generator line. with a flame at the nozzle the generator makes a very small electrical current which feeds to the main valve and keeps it open. take a piece of wire and jumper these two spade connections together and try lighting the unit again. if it stays on, the hi limit is shot. you can get by with the connections jumped out, you just don't have the safety margin if it were connected. IF with the spade connections jumped out the unit still shuts off, the generator tube needs to be changed.
Posted on Dec 26, 2007
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!
Posted on Jul 14, 2009
The 5840 has a problem with dust getting on the heater element and turning itself off after 2 minutes running. HERE IS THE FIX. Unplug the unit from the AC outlet, Then using a can of dusting air ( the kind you use to clean a computer key board) aim the compressed air INTO the middle louver of the upper adjustable heater vent and blow out the dust that has gotten on the heater element. ( You are actually blowing into the unit, clearing off the lint/dust that has gotten on the backside of the heater element that you can not see without openning the entire case).You can see the front of the heater element inside the louvers, It's the shinny metal part that looks like a small radiator.It sits behind the middle louver. After blowing out the dust, shake the entire unit to allow the dust to settle to the bottom of the case. Using a vacum cleaner try to vacum out any dust from the LOWER FRONT intake. Once the dust has been blown OFF the heater element, the unit will work just as new and not shut itself down!
Posted on Oct 16, 2009
when most ceramic room heaters stop working, the blower is clogged with lint and dust from floor use . get an air compressor, or a can of air. take unit outside using a small head philips driver remove screws while laying on an old sheet .disassemble cover carefully and blow dust away from you and clean blade without bending with a toothbrush in vinegar water not gettting any liquid on the electrical parts. reassemble. thanks karl
Posted on Dec 14, 2009
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