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Hi, Will the Optimus H-4500 14-Inch Oscillating Pedistal Digital Dish Heater eventually heat up a 12' X 12' room? Thanks.

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I guess it all depends on how warm you want the room. I typically sleep with mine on low in the master-bedroom with connecting bathroom. When it's not on the room is in the low 50's. When I do run it for about 5 hrs (while sleeping) it keeps the room around mid 60's.

Posted on Jan 16, 2011


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Posted on Jan 02, 2017


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My Optimus oscillating heater works for about 10mins and then overheats causing it to shut off. It shouldn't be overheating in my beyond cold living room.

Let's see if we can figure this out together-- Here are a few questions we need to know to start trouble-shooting:
How old is the unit?-- Is it a Pedestal or Floor Mount unit-- or one of the newer TOWER models?
Some have remote Temperature sensors-- does your?
Can you hear the fan running-- does it sound like it did when it was new? When it first turns on, is the heat coming out, nice and warm?-- and is the fan nicely pushing the heat out?

Let me know, and we will advance to the next step-- Mack

Jan 02, 2017 | Cars & Trucks

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Why does it shut off completely and has to be manually turned back on?

Probably a safety feature to keep it from getting too hot. temperatures above a certain level could easily start a fire.
This unit has a temperature control with will turn it of after a certain temperature is reached it also has a timer that will turn it off.
It might also be a malfunction in one of those controls.

Dec 19, 2015 | Optimus H-4501 14" Oscillating Pedestal...

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I took it apart found nothing. Put back together took the plastic screw driver with the unit on,gentlly tapped the plastic houding opposite of the heat senser at the top of dish and it works!

Nov 04, 2011 | Optimus H-4436 Electric Heater

1 Answer

I have an Optimus radiant heater dish with the remote control. I love it, but it's broken. It will not turn on. It is fairly new. What can I do to repair it?

It may be the remote control. Have you tried operating the heater without the remote? If you haven't give it a try. This will tell you if the problem is with the remote of not. If works without using the remote, the remote may need new, fresh batteries. If that doesn't solve the problem, turn OFF the Master Switch on the heater to OFF. Unplug the heater and wait 12 to 15 minutes before plugging it back in.
Turn the Master Switch on the heater ON. And try operating it. Hopefully, that time out, gave it enough time to reset itself.

Mar 18, 2011 | Optimus H-4436 Electric Heater

1 Answer

I have an Optimus H-5210 Infra-Red Heater and it's working great but last night while i slept, the pillow felt on top of it, burned a hole and i couldn't get the heater to turn back on. Is there a reset...

god please be carfull thousands of home fires start like this!!!!!!!
My guess is that a high temp cutout has opened. most likly it is not replacable.
Google search your model number / owners manual to see if there is resettable overtemp.
I was unable to locate but you may have more luck.

Remember infra-red heat warms items and objects in the room by absorbtion of infra-red waves this heater should not be near any flameable items! its designed to sit like 6 feet away from any thing and items in the room absorb heat energy then give it up to there surrounings.
please be carefull....

Mar 10, 2011 | Optimus H-5210 Infra-Red Heater

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I have a 800/1200 oscillating dish heater (optimus h-4438) i have an alarm light on it so it has stopped working. up to this point i have had no problem with it - it has been perfect. can you tell me...

Initial quality is questionable. Within a few days buying the unit the buttons stopped working. I was about to return it. I took a chance and I opened the unit and figured out the problem and fixed it buy tightening some screws and repositiong the circuit board. I am not sure how many would be inclined to do all that.

Feb 07, 2010 | Heating & Cooling

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Alarm light staying on.

I have the same problem. I removed the center panel on the back of the dish and found a fuse inside a white insulating sleeve. The fuse is open, preventing the current from reaching the heating coils. On the fuse it says 121 C. and 15 A.; I assume that it is designed to blow if the temp. of the dish exceeds 121 centigrade or the current exceeds 15 Amps. I don't see any reason to believe that either has happened so I suspect that these fuses just spontaneously fail. Now I just need to find a source for new ones. I wouldn't recommend jumping the fuse as it could lead to a fire.

Feb 22, 2008 | Heating & Cooling

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Not enought heat

I have the same heater and it works great in my bedroom (with a door). the room is about 12 x 14. For my living room and dining area I use 2 or 3 oscillating, ceramic, fan forced heaters spaced out.

As you say, logically...since heat rises, the heat comes off the top. Only 3 things that I can think of would make that heater not work: First, a factory defect (it doesn't heat period). Second, if you have it a room that is too large for that size heater. Third, if the room has no doors (such as a living room).

If you have a draft it can work to your advantage. By placing the heater in line with the draft it will actually accelerate the heat exchange process and distribute the heat faster for you.

Dec 11, 2007 | Heating & Cooling

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