If your furnace won t turn on go to your furnace if it is accessible to you and peak in the little plastic window on the side of it most modern furnaces will have a window.
Rheem furnace will not ignite.
Or your igniter may be bad.
A faulty or dirty ignition or sensor is a relatively easy fix so follow these steps and you may be able to solve the problem yourself.
If the air in your system is not flowing it cannot produce the required gas air mixture and your home heating system will not ignite because of it.
If you re getting 24v and the valve isn t opening then the valve is bad.
You are looking for a blinking green light.
Often times the reason air does not get to your furnace s igniter is because it is restricted.
You have tried bypassing pressure switch so if you are confident you had a good connection in bypassing either the board is not sending a signal 120 volts to the igniter.
The gas furnace problem with the motor or the pressure switch needs to be corrected and corrected before proceeding any further in the process of fixing the gas furnace problem.
If you re not getting 24v and you have red and white jumpered at the thermostat then trace the 2 small wires back from the valve.
Rheem furnace not heating.
The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite.
Take a flash light and look real close at the igniter for a burned spot like this.
My rheem 90 high efficiency 9 6 years old furnace is not working.
Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.
If your gas furnace wont ignite and you have a few cold days ahead before it gets fixed here is how to light it manually to get by until the furnace gets re.
In this video i show how to test check an.
On a pilot furnace you re either getting 24v to the 2 wires plugged onto the gas valve or you re not.
If the safety circuit is not complete then the control board stops the process of the gas furnace igniting.
It read more.
The igniter gets very hot and glows bright orange to light the gas burner.
This is typically the problem if you can hear your furnace click on but it does not fire up.
If the igniter fails or cracks the furnace won t heat.
A gas furnace burns a mixture of air and natural or lp gas.
The motor is going it was replaced last year but the furnace is not hot.