![]() He turned it off and on again, and the same thing happened it was working just fine. He wanted to double check a couple things so we waited a couple minutes and then started it up again. Simply bear in mind that your furnace is working nearly at its full capacity if you ever see the yellow LED. He switched the furnace off right away then explained to me that the primary heat exchanger was busted. The majority of the time, the furnace will be operating in low-heat mode, but when it becomes very cold outside, the unit can switch to the high-heat setting. The furnace’s main blue flames were pouring back out towards us a situation that seemed very dangerous. But, before I could spend too much time feeling like an idiot, the furnace acted up - badly - and I learned that I had made the right call by being cautious. D’oh! I was thinking that I simply hadn’t waited long enough after reseting the rollout limit circuit. When he arrived, the furnace started right up for him with no problem. Nothing happened.Īfter almost a minute with nothing happening, I decided that I should probably cut the power and wait for the HVAC guy to get there since I didn’t really know what I was doing. “Sweet! Problem solved,” I thought… I turned the furnace back on to see if that had done the trick. I pressed the button on both to reset them and found that the one on the left was, in fact, open. ![]() There were two rollout limit circuits that I could find in our furnace: So, a good troubleshooting step was to reset it and see what happened. Although this can be very helpful, it can also be the source of a false positive - the rollout limit circuit itself can go bad. When I told him that the the rollout limit circuit was open, he suggested that I reset it.Īfter a bit of research, I discovered that the rollout limit circuit is a safety mechanism that helps to shut off the furnace when things aren’t right. After checking several reviews and calling around a bit, I finally got ahold of a guy who not only guaranteed that he could make it out that day, but also offered a bit of troubleshooting over the phone. That was my next step, but it didn’t lead to anything the pipe was clean.Īt that point, I realized that I needed to call an HVAC expert, but it was the Saturday after Christmas, so everyone was running on emergency rates and had little-to-no availability. One suggestion was that I check the incoming air vents for any obstructions. I found a few articles online suggesting tips for how to remedy that. I found the owner’s manual for our furnace, and it said that 6 Flashes meant that the rollout limit circuit was open. Turns out, the red furnace indicator light uses Morse code to spell out a problem number, which you can then look up in your furnace’s owner manual. ![]() I found the light on the bottom panel of the furnace: He suggested looking for an indicator light, seeing if there was a pattern and, if there was, looking in the manual to see what it meant. the temp had fallen to 63° and she woke me up to tell me what was going on.ĭownstairs, I found that the fan was still blowing, but that the blue flames inside the furance itself were missing: On Saturday morning at 1:00 a.m., my wife woke up to feed our month-old baby and found that cold air was blowing out of the vents and that the temperature in the house had fallen to 65°. I also powered down the furnace using the emergency electric cut-off switch, waited a few minutes, and then started it back up. Our wasn’t that old - I’d changed it a month or two ago - but I tried just in case. You NEVER feel like youre being brushed off.I read a few articles online and one troubleshooter suggested changing the filter. Im also a musician with many instruments so maintaining predictable humidity/temperature is extremely important to me. The work Greg did was HIGHLY PROFESSIONAL and FAR MORE FUNCTIONAL than what I had. (The OLD furnace was a house of horrors and was installed in a keystone cops sort of way- careless.) Greg showed up on time, on the agreed date and did a fantastic job. Greg had already done an AC inspection and replaced a water heater tank and there was no question in my mind who to deal with replacing my rickety old furnace after it got pooched.īob dropped in ahead of time and clearly (and knowledgeably) outlined all technical, price and operational options. My background is in mathematics and mechanical engineering so I have an eye for detail and a respect for technical knowledge. Im going to start this by saying Im a very particular customer.
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