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Failure to maintain flame @ low temp ~-25 and below

Heater fires and operates without issue down to about -25 F. At temp lower it starts for approximately 1-2 minutes before shutting down with a blinking indicator light. Unplug and replug will correct the problem and let it start but once again, shutdown occurs with in 1-2 minutes. I suspect an issue with the photo switch and would like to put a switch on the heater to bypass the 'eye' at low temp. I live in a remote bush village in Alaska and have to have a heater that works as we frequently are at -30 to -50 for weeks at a time.

I am fully aware of the safey implications of bypassing the switch but am wondering if photocells dont work effectively at low temperatures. I have to be able to get equipment to operate that has frozen up and this is the only way available

Any help would be appreciated

Thanks

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Some photo cells the eye gets dirty with condensation due to the cold have found this on wood kilns when temp drops try cleaning ,or just by pass to give you some heat , you might have to clean it a few times to clear it ,

or you could remove eye at low fire when heater warms up try replacing eye , this is going on what we have to refire wood kilns when it was cold here acouple of weeks back . hope this helps you

Posted on Jan 12, 2009

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I am working on a monitor 2400. heater will run normal until it reaches set temp. when it goes to mid burn the flame goes out and code 14.


E14 Flame failure: There are obstacles at circulation air inlet or outlet. Fan cage is clogged with dust. Gas pressure dropped when other gas appliances are turned on. (this may also apply to K1 fueled units if you have another K1 based heater)

Here are the rest of the fault codes I found:

Digital Display Reason of indication Trouble Point
E01 At pre-purge, flame rod is sensing flame when there should be none. Flame sensing circuit, grounded flame rod or pinched wire. E05 After power on, power supply to the microprocessor timing circuit is incorrect. Timer clock circuit bad or power cycles (hertz) to unit above or below acceptable levels.
E06 A starting of operation, the circuit to drive photo triac of solenoid pump is malfunctioning. Solenoid pump control circuit has a malfunction.
E08 Revolutions per minute of combustion blower are malfunctioning. Combustion blower or combustion blower control circuit has a malfunction.
E13 No ignition. Failure of ignitor, solenoid pump or circuit board. Incorrect wiring or flame rod touches to burner parts. Air pressure switch or overheat open.
E15 Power supply voltage too low. Voltage too low or power detector circuit has a malfunction.
E16 Load failure of combustion blower motor Flue pipe is restricting air flow.


http://www.keepuswarm.com/upload/M2400OwnersManual.pdf

http://shdashan.com/english/user%20manual%202200.pdf

Oct 29, 2015 | Heating & Cooling

1 Answer

I have a 4 year old Goodman heater model GMS81155CNA that we just replaced the blower motor on, fortunately it was under warranty until April. Now it keeps trying to cycle 2 or 3 times before the burners...


i would start by checking the flame sensor mounted in the same area as the ignitor or glow stick as you called it... the flame sensor is a metal rod mounted in the direct path of the flame once lighted... it senses the flame and sends signal back to control board to keep gas valve opened and continue the operation.... if the flame sensor is dirty or faulty will start to shut system down premature... the pressure switch could be a problem as well but normally if it goes bad it will fail as soon as unit fires and continue to fail due to a bad diaphram in switch... will mimic a bad flame sensor as well unit will fire but will within seconds shut back down.... the ignitor has to be hot enough to light when gas enters chamber and can be weak but if it works sometimes then i would say it is ok....the flame sensor can be pulled and gently cleaned with light grit sand paper dont over due it but clean it up a little and try it... again it is located next to hot surface ignitor( glow stick) usually has quarter inch hex head screw holding it in place... positional to get out but will come out....

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1 Answer

Readtheat 125t, comes on for a second then cuts off flashes next to last light about flame


If I am not mistaken that would be the flame failure, now to hopefully cure this remove the top section of your heater. This exposes the burner tray and all of the internal workings of the heater.Locate the burner tray and down low on it you will find the flame sensor. These collect carbon deposits, dirt,and the occasional homeless insect, to clean it I use windex and a soft terry cloth rag. When putting it back in place make sure it has a clear unobstructed view of the flame. Put your heater back together and fire it up, you should now have heat if not I have many tips for these things that I do every year before using mine.

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Is it possible to manually ignite a corona 22dk kerosene heater safely with a butane lighter? the battery operated igniter is not working with new batteries installed.


I just use a match. Turn the setting dial to High. Open the little door in front. The one with glass in it. Light the match. Push the pedal down that you normally use to start it with the battery starter. Put the match into the heater and touch it to the wick. With just a regular match, I can reach in far enough to light the wick. When you have a complete ring of fire, lower the pedal slowly and close the door. It will smoke briefly and then burn. After 15 minutes lower the wick till the flame is smaller and whiter.

Sep 13, 2010 | Corona 23-DK Compact Heater

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Do rinnai heaters run efficiently if turned up and down often?


Maintaining the lowest acceptable setting and leaving it at that temperature is the most economical way to run the unit. If the space is going to be unoccupied for an extended time (several hours), lower temperatures are okay. This minimizes the need to burst the heat to warm the space quicker. As I understand your unit, it minimizes electrical & gas consumption by basing the need on the temperature difference of actual space temperature and setpoint. The larger the gap, the more power and gas is consumed.
In summary, when the space is occupied, maintain a consistent temperature setting. When the space is unoccupied, maintain a lower setpoint.

Hope this helps. Good Luck. :-)

Feb 15, 2010 | Rinnai RHFE-1004FA 38,400 BTU Energy Saver...

1 Answer

Thermostat problem


I WOULD JUST DOUBLE CHECK THE WIRING TO THE THERMOSTAT AND THE HEATER, , WOULD BE MY GUESS, IF IT WORKED FINE BE FOR, THERMOSTATS DO GO BAD, BUT I WOULD CHECH WIRES, ALSO YOU MAY BE ABLE TO CROSS THE TWO WIRES AT THE THERMOSTAT TO CREATE A DEMAND FOR HEAT, BY PASSING THE THEMOSTAT YOU WILL KNOW IF THE PROBLEM IS AT THE THERMOSTAT OR HEATER GOODLUCK

Jan 24, 2010 | The Companion Group Kozy World Portable...

2 Answers

The heater is blowing cool air. The furnace blower keeps running and something ignites and then goes out immediately. any suggestions?


Clean or replace the thermo couple.

It must detect a flame a few seconds after the main gas valve opens or it shuts it down. Since you are hearing the burners fire up the ignitor is working and all the other safety circuits are working to allow the furnace to fire up.

The thermocouple is a small silver tube that protrudes into the flame of the main burners, remove it and scrub with scotchbrite pad or anything mildly abrasive. You just want to remove carbon and corrosion build up, re-install and see if it fires up.

I have two Goodman furnaces and if you are to maintain them your self you should keep on hand a thermocouple and a new ceramic ignitor. They will inevitably fail on the coldest weekend of the year and the only place to get them will be from a service company with a emergency service call ...$180.00 VS $60.00 off ebay or internet sales.

Also if your power vent fan is making ANY noise it is on its last legs and buying on in advance online will save you about $80.00 over the loca ldealers price......been there done that

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1 Answer

BLOWER CONTINUES TO BLOW COLD AIR AFTER REACHING DESIRED TEMP.


There is a little switch on the circuit board. Look closely at the wiring diagram and it will indicate which switch to adjust. If not, review the operating manual for details.

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1 Answer

Coleman patio heater 5040A770


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