We welcome your comments and suggestions. Don’t show me this message again. By pressing ‘print’ button you will print only current page. I have had my furnace for over 10 years now. I will never purchase another Lenox furnace. Control is not field repairable. This system is made so cheaply.
Page 22 If flame rollout is detected, the gas valve will close and igni- limit switch must be replaced, refer to Lennox Repair Parts tion control will be disabled. Got it, continue to print. Voltage on my water pipes. It is available manifold pressure. Sounds like you have most of the common bases covered. Funny thing about this is that some times it works fine for a few days, and sometimes it needs to be turned off and back on.
The furnace was made by Lennox. The builder installed a Lennox g40uh x series gas furnace In the last 3 years when it is time to turn on the furnace, the tube passageway to the air flow was clogged not allowing the burners to light up.
G40UH X units are available in heating. Funny thing about this is that some times it works fine for a few days, and sometimes it needs to be turned off and back on. There was nothing wrong I just wanted to know if it needed maintenance or adjustments.
Lennox G40UH(X) Unit Information
It is a hot air furnace that uses natural gas and is of sufficient capacity to heat my whole house esries in the coldest of weather. Find all posts by boesknowes. The furnace is of pleasant appearance and simple design that requires very little maintenance. Voltage on my water pipes. By pressing ‘print’ button you will print only current page.
Thanks for the tip, I will do a more thorough check on the inlet and see what I can find. Units are factory equipped for use with natural gas. The indicator lights are “alternating slow” flashing.
Lennox G40UH(X) Series Furnace
The manual says it’s in “watchguard”, but the manual gives no help on how to fix it. Ours started acting up sporadically – the thermostat would click, the furnace would power on start the first blowerit would light the pilot light and then shut down.
Strongly I do not recommend to anyone to use. I have just made my 4th service call due to a wire coming loose causing the fan to not start. Kit s include Comments to this Manuals Your Name: SureLight Integrated Ignition Control return air and may be cut out in the field. I will never purchase another Lenox furnace. Once again the furnace is running continually and it will not shut off.
I Unit Components 3. I have a Lennox g40uh series furnace and it just stopped working today. Aarthi 5 18 Got it, continue to print. Does anyone have any other ideas I can try?
LENNOX G40UH(X) UNIT INFORMATION Pdf Download.
It is available manifold pressure. Email Required, but never shown. The diagnostic codes are listed below in table 4. Call seroes heat can continue. It is located in a closet in my basement next to other major appliances. Sistering required for joist?
I am also having same issues, would you be able to help me locate the flame sensor? The most likely culprit for the board going bad was dust and dirt when the basement was finished 3 years ago from all serie sheet rock.
Thermostat upgrade problem with 9 wires. Jared Harley Jared Harley 1, 3 13 Maybe try to blow some air in the inlet from the outside of the house and see if you feel the movement in the furnace.
They are a piece of junk and the company should be investigated for selling inferior products. Sign up using Facebook.
Lennox G40UH Furnaces
Take care when putting up sheet rock, it is very hard on the furnace. Refer to figures 5 and 8 for control board layout. Nothing was needed so now all I do is change the air cleaner every 3 months.