Inform me methods to fix furnace lockout. If you happen to had a sequence of brown outs, you have got to flip the furnace off, let the power dissipate, and turn it again on. I know brown outs can purpose it to shut off if it does now not get enough energy. Repeated brown outs from the power grid can reason the furnace to lock out, and the solution is just about turn it off and rebooting it. That only fixes it if wed had brown outs. The same thing can intent the furnace to lock out if youre walking every appliance within the condo, pulling more load than what supports the furnace too.If the furnace manipulate board has errored and locked out, which you could hit the start or reset button to try to deliver it back up, whatever the rationale. What if that isnt ample to get prior the lock out? Turn it off and back on via the vigor button or turn it off at the breaker. Now had been again to reboot it to repair it. That helps if it is a single error. Nevertheless, that wont fix a mechanical problem. If it is a mechanical challenge, then it is going to run until it fails and locks up again. So determine the air filters. If the filters are so clogged it are not able to get enough air, it will begin up earlier than shutting back off. Yes, and repeated on-off cycles intent it to close off. One other original motive is carbon and ash on the flame sensor, so it turns on, then off, when it does no longer recognize the flame is on.Which you can get that same error when the thermocouple is too far from the pilot gentle. Yes, which is why in case you take the thermocouple, pilot tube and flame sensor out that you put them all again in first-rate and clean earlier than making definite both the sensor and thermocouple are an inch or so from the pilot mild. What else could I do to repair this? It is usually cycling on and off on account that there may be too much humidity within the unit for the flame to ignite or burn scorching sufficient.Id be able to tell if that used to be the case if the flame was once orange or the carbon monoxide detector was once going off. It is extra apparent when you hear gurgling within the furnace when you flip it on, although changing the filters and emptying the humidifier could fix that. Every other hints on the best way to fix it cycling except it locks up? If it is not a sensor or environmental variable, the control board may have a flipped bit, erroring out. Youve already instructed me to take a look at rebooting it.And if that doesn’t work, you wont feel like an idiot when the repair tech tries to reboot it to repair the errors. Or responsible at the cost to replace it. .