Question about Reddy HEATER R115 115,000-BTU PORTABLE KEROSENE FORCED AIR HEATER

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My reddy heater 115 pro starts, but shuts off after about 5 seconds of running , i replaced the filters and nozzle about 2 years ago

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Here is a service manual:

http://www.desaparts.com/service_manuals.html

If the flames actually starts but the unit shuts off after 5 seconds you need to check the pump cover on your heater to make sure you have no cracks in the rear cover.
This could be from low pump pressure but most often this problem is caused from a defective control board.

Posted on Oct 04, 2010

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I have reddy pro 170 i plug it in , the fan & igniter comes on for 10 to 15 seconds then shuts off ,blew through fuel line and nozzle still same result, i do see fuel mist coming out nozzle ,i dont k


You must make sure the mist is not to close to the igniter . If it is it wont be misty enough to ignite. And make sure its in the path of the mist. If its new return it to the store.

Feb 07, 2015 | Reddy Heater Pro-Tough Kerosene/Diesel...

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My Reddy will start no problem, run for 10-15 seconds and just shut off. I blew it out with a compressor and replaced the filter but it still won't run for more than 10-15 seconds. Any ideas are welcome at...


spamcatcher1,

All these type heaters (Reddy, All Pro and Master heat) were made by DESA international.

I have a tip at http://www.fixya.com/support/r4124129-yearly_maintenance_reddy_heaters which explains this common problem, where to get the repair parts and how to do the repair.

Thanks for using FixYa and for the great rating. Please consider a testimonial. Thank you.

hardrocko

Jan 25, 2011 | Reddy REDR40T Heater

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I have a Reddy Pro 115 BTU kerosene heater the fan starts but shuts off after about 5 to 10 seconds


When you say that the fan starts then stops I assume you also mean that the burner starts and stops. If this is correct and the unit is more than a couple of years old you probably need to change the filter in the back and set the pump pressure. Both the filters and the gauges to set the pressure can be found at www.reddyheat.com along with a good explanation as to why you need the gauges. The pressure is set by bleed air pressure and must be exactly 3.5 psig. The gauge is the only accurate way to do it. The filters clog and change the pressure. When the difference is enough the unit will not run. Now with that said there are several other things which you should check. Check the fuel tank for water. Remove any you find. Remove the cover on the right side as you look at the unit from the front and remove the circuit board. Check for cracked connections. If you find any resolder them and reattach the board. That should take care of the unit and get you back to making heat. Let me know if you need anything else.

hardrocko

Thanks for using FixYa

Feb 14, 2010 | Reddy HEATER R115 115,000-BTU PORTABLE...

1 Answer

Heater will come on for about 4 seconds then shut off. I have a 115 BTU kerosene Reddy Heater.


Removed filter and blew out a tiny piece of debris. Didnt think that would be enough to do any harm. Put the filter back in and it started up and runs great now.

Dec 29, 2009 | Reddy HEATER R115 115,000-BTU PORTABLE...

1 Answer

Igniter lites up fan kicks on and within 5 sec shuts off


Dustin, The ignitor only glows for 5 seconds, just long enough to ignite the fuel. The heater is shutting down because the photocell does not see the correct flame color.
Since you say "comes on for 5 seconds", I can only assume that there is a flame. You do not specify a lack of flame. I am also assuming that you have had the heater running this heater season and the problem just started.

YOU must find out if the problem is fuel delivery related or electronics related. Start by checking the pump pressure.

Follow these troubleshooting tips

Dec 21, 2008 | Reddy Heater-70,000 BTU Kerosene w/T'stat

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REDDY HEATER 125T WON'T INGNITE


  1. Does the ignitor glow for 5 seconds when the unit is started?
  2. What is the air pump pressure reading?
These are the starting points for troubleshooting a heater that has an ingntor.

Answer these questions and maybe someone can get you started.

Dec 16, 2008 | Desa International RH125AT Utility Heater

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Reddy heater 70,000 with factory thermostat will run a few


Set the pump pressure. If correct check the nozzle. Desa recommends annual replacement.

A worn nozzle creates a spray pattern, where a good nozzle creates a fog. With a coarse spray pattern poor combustion results in an off color flame, . The photocell doesn’t like the color, sends a signal to the computer which shuts everything down. That’s the job of the electronics.

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It runs but it puffs smoke every 3 - 5 seconds.


I am not real familiar with the Mr Heater units, although I have been around Reddy Heaters for well over 30 years. The principal is the same, after all, Mr heater is a foreign knock-off of the Reddy Heater.
Check, in this order:
1. shine a flashlight in the tank- look for water droplets rolling around on the bottom.
2. check the fuel filter for restriction. A blocked filter will cause starvation.
3. with soapy water check for air leaks from the air pump to the nozzle. An air leak will cause reduced fuel delivery.
4. check the pump pressure, bring up to factory specs.
5. If you have turned the adjustment screw, move #5 up to #1.
6. check or replace the nozzle.
7. If the fuel delivery system checks out OK then you have an electronics problem, and I’ve been told that Mr Heater parts are rare and hard to come by.

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