Question about Honeywell S8910U1000 Hot Surface Ignition Control Module

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Honeywell s8910u not working, LED doesnt blink seems i replace this ignition every 3-4 years is this typical

Furnace does purge , but that is all it does

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Rheem gas furnace displayes 3 blinks, does not ignite.....3 blinks means???


Look inside the unit, the codes are usually on or near the schematic of the unit. Otherwise check the owners manual.

Feb 16, 2015 | Rheem Water Heaters

1 Answer

Trouble shoot heater hot water valve


It's not the GV. It's the Thermostat calling for heat when set to A/C and/or the Controller on the furnace.
The GV with a Hot Surface Igniter has nothing to do with the problem described as it only controls burner ignition when heat is called for.
Stay away from working on Gas Valves if you are not a licensed Technician or Tradesperson. Explosions can kill people and destroy property

Sep 08, 2014 | Honeywell SV9520H8513 Direct Hot...

1 Answer

Boiler ignition failer


Try adjusting the gas to air mixture and flow rate. I don't work well in very cold weather, either. I think that's fairly typical. Even a diesel engine is difficult to start in cold cold weather. Perhaps heating the room where the boiler is would help or at lest insulate the room well. Including stopping any drafts that may be causing a windy condition in or around the combustion chamber.

Feb 06, 2014 | Honeywell Triangle Tube Prestige Solo 110...

1 Answer

Protech 62-24084-02 troubleshooting


62-24084-02 LED CODES
POWER LED - GREEN
ON - Normal
OFF - No power to board
OK LED - GREEN
One Blink - One hour retry delay
Two Blinks - Pressure switch failure (remains open)
Three Blinks - Limit switch fault
Four Blinks - Pressure switch failure (remains closed)
Five Blinks - Twinning fault
FLAME LED - YELLOW
ON - Good flame
Rapid Blink - Flame present with gas valve de-energizing
Slow Blink - Marginal flame

Jan 01, 2014 | Protech Rheem/62-24084-82-1PK - Integrated...

2 Answers

I have a Rheem 41VRP50N water heater. The water I am getting is luke warm on a good day. The burner fires up when I turn the thermostat to the highest temperature only. I drained the unit and flushed...


This condition can be caused by 4 different problems, or combination of these problems.
Good indicator would be to check temperature of water inside tank.
Put bucket under TP overflow tube and release water into bucket, then use cooking thermometer to gauge temperature. Stand back from scalding water that can shoot out of overflow.

If tank temperature is 120-130:
1) Crossover is suspect:
http://waterheatertimer.org/Crossover.html

If tank temperature is low:
2) Bad gas control valve thermostat is suspect.
I believe Rheem 41VRP50N has Honeywell or White Rodgers electronic gas control valve.
Open following link to identify gas control thermostat and see typical error codes.
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html#Honeywell
Replacement gas valve can be purchased from Rheem.

3) Combustion parts and tubes need cleaning, and bleed gas line for air and water contaminants.

4) Water heater has sediment build-up coating burner transfer surface and covering thermostat.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html
Year of manufacture for Rheem water heater is 2nd two digits of serial number, so XX03.. would be 2003.

Add a comment and say what you did to solve problem.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jun 03, 2011 | Rheem Water Heaters

2 Answers

I have a Rheem Classic Series Super Quiet 80 gas furnace. My problem is the furnace will turn on burner fires for a couple of seconds then burner turns off and fan blows. This cycle cotinues and eventualy...


Sounds like it could be a dirty or bad flame sensor.
When the burner lights ,there is a flame sensor in the flame and it is suppose to sense the flame and send a signal back to the control board which will keep the gas valve open, if it gets dirty or is bad it doesn't send the signal back to the board and the board will shut the gas valve off and after three tries it will lock out the furnace and you have to reset it to get it to work again.
The flame sensor looks like a wire and it's in the flame usually it will get gas deposits on it, then it won't work.
You can clean this sensor with an extra fine piece of steel wool, but before you attempt to do this DISCONNECT ALL POWER TO THE FURNACE.

Dec 29, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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