Question about Sterling RF75 Natural Gas Heater (75,000 BTU)

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Won,t ignite i have a sterling RF 75 heater in my garage, it will not ignite now but the gas control valve seems to flash a code. the green light flashes 6 times. any ideas ? thank you

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: Sterling Gas Heater

It sounds like you have a short somewhere. Possibly just a pinched wire? Scroll to the bottom of this page and download the installation / troubleshooting guide for more information.

http://store.h-mac.com/sttudegasorp.html

Posted on May 22, 2008

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heatman101
  • 43501 Answers

SOURCE: I have a Dayton heater

Check to see if you are getting power to the ignitor...

if your getting power and it is not glowing then the ignitor is bad... if there is no power then it is the controller...

heatman101

Posted on Nov 30, 2010

  • 2598 Answers

SOURCE: Sterling RF-45 Pilot light comes

clean pilot check flame sencor is clean , jump high leval limit first see if it lights , if not try low limit , check thermocouple is tight if fitted ,

Posted on Sep 24, 2011

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1 Answer

Bought a sterling 75 c garage heater burner lights but then 24 v transformer burns out


I didn't find that model but did see a pretty standard wiring schematic for Sterling garage heaters in one installation manual. I'm sure they didn't change much. I did notice they use a 50va transformer, not 40 which is likely what is getting used now. Don't think that would fix it, just an idea. Put a 5 amp fuse inline on the red side of the secondary side of the transformer. This will protect it. I'm willing to bet the ignitor section on the low voltage common is wired wrong. Remove the tstat wires, buy a resettable fuse and install it first. Then get the fan running first. If there is a g terminal jump red to green. This is fan only, start simple, hope this helps

Jun 18, 2017 | Sterling RF75 Natural Gas Heater (75,000...

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Sterling RF-45 Pilot light comes on and the burner won't fire. The pilot goes out and fan keeps running.


clean pilot check flame sencor is clean , jump high leval limit first see if it lights , if not try low limit , check thermocouple is tight if fitted ,

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I have an A. O. Smith Model FPSH 40-261 hot water heater. It won't heat water. there is a green light on the control flashing. What does it mean?


AO Smith uses the Honeywell ICON gas valve with green indicator light.
Some models use White Rodgers Intellivent with a row of indicator lights.

The gas control blinks the error code:
Open following links to identify gas control thermostat and read possible error codes:
http://waterheatertimer.org/pdf/Honeywell-Gas-Valve-LED-Codes-2000.pdf
http://waterheatertimer.org/BW.html#Temp
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

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Green light flashes when i try to start my TFO 75 garage furnace


Looked at Sterling garage heaters in general. 3 blinks read pressure switch. You should have code chart on furnace door. Pressure switch symptoms are blocked vent or moisture in small hoses connected to pressure switch or bad pressure switch. If small hoses have sags take off one end and dump or both ends and blow through.

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2 Answers

I have an older sterling gas furnace hung from the garage ceiling that cuts out intermittently . It does not trip the breaker but often if I reset the breaker at the fuse panel box it will start up.


Hi,
The heater is going into "lockout"... it should be flashing a code on the ignition control that will tell you why it went into the lockout condition...

My guess would be that the high limit switch is bad or going bad and it is cutting out when it shouldn't be... or the flame sensor is loosing contact and cutting the burner off...

You could try to clean off the flame rod with a soft cloth...

heatman101

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1 Answer

I have a Dayton heater purchased through Grainger, Grainger # 4LX57A, I understand it takes Sterling parts. It's a 175,000 btu propane and it will not ignite. I get a double flash code on the green l.e.d...


Check to see if you are getting power to the ignitor...

if your getting power and it is not glowing then the ignitor is bad... if there is no power then it is the controller...

heatman101

Nov 30, 2010 | Sterling Heating & Cooling

1 Answer

Noisy heater...flashing green LED light...Is there a problem?


with sterling , the flash could mean all is ok or the count of the flash could mean an issue,,,,,
without knowing your exact model i will send you here
http://www.sterlinghvac.com/html/literaturelibrary.asp

look for your model or design
and read the maint. section

this is what i use for all my sterling service calls

Oct 22, 2009 | Sterling RF30 Natural Gas Garage Heater

1 Answer

Turn on green light flashes


Count the flashes before a pause. A steady on is bad ground or loose igniter. 2 flashes is either low gas pressure, bad flame sensor, gas valve wires loose or bad ignitor. 3 flashes is a bad pressure switch, or blocked vent. 4 flashes is a bad roll-out switch or open contact. 5 flashes is bad wiring to gas valve or flame sensor, 6 flashes is either a bad control board or bad thermostat.

Oct 13, 2009 | Sterling RF75 Natural Gas Heater (75,000...

1 Answer

Fans and igniter light but not main burner green


Hi clean the flame senser , check out the pressure switch jump it out see if it lights . check you have power to the gas valve

Oct 10, 2009 | Sterling RF75 Natural Gas Heater (75,000...

1 Answer

Sterling Gas Heater


It sounds like you have a short somewhere. Possibly just a pinched wire? Scroll to the bottom of this page and download the installation / troubleshooting guide for more information.

http://store.h-mac.com/sttudegasorp.html

May 02, 2008 | Sterling RF45 Propane Gas Heater (45,000...

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