Where is my furnace control board?

The circuit board is usually located in the furnace’s blower chamber near the bottom of the unit. This is where the circulation blower fan motor is mounted.

How do you fix a furnace that won’t turn on?

Furnace Troubleshooting Recap:

Clean or replace air filter.
Troubleshoot thermostat problems — replace batteries if necessary.
Set thermostat to heat and at a higher temperature than the current room temperature.
Check electrical panel for blown fuses or tripped breakers.
Make power switch near furnace is flipped on.

How do you turn on a furnace manually?

Once the gas has had time to dissipate, turn the knob to “Pilot.” Then, hold down the “Reset” button and bring the flame of a long lighter close to the pilot light opening. This should light the furnace pilot light. Once you are sure the pilot light is on, release your pressure on the reset button.

Why is my furnace not getting 24 volts?

If you are not getting any voltage to the contactor coil then this could be a blown fuse on your furnace or air handler control board. Please see the picture of the control with the fuse below. If the fuse on your control board is blown then you probably have a short in the thermostat wires or another control in the furnace or outdoor unit.

What to do if your furnace won’t turn on?

2.Reset GFI’s all around the house if any. 3. Only power on the furnace. 4. Go and turn on things one at a time until it Trips again. 5. Unplug and remove that device. Something in the house might be overloading it. Loading…

What to do when you have no power to your thermostat?

Like mentioned already, when you have no power to your thermostat, there are several reasons why this could be happening. For your convenience, use this simply checklist: Inspect the breaker box to see if a breaker has been tripped. If so, reset it.

Why does my furnace say no power to Y1?

If I unplug the furnace and plug it back in, it works fine for an hour or two then gives me the no power to Y1 warning. Y1 can be disconnected due to a safety switch. One safety is in the outside unit that is triggered when it senses low pressure/temperature.

What should I do if my furnace wont turn on?

If the switch is on and the furnace still lacks power, check the furnace’s main and secondary electrical panels. If the circuitry has been tripped in these panels, turn back on the circuit. The furnace should start within five minutes.