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Six Flashes - Open rollout switch. Seven Flashes - Low flame error. Eight Flashes - Igniter error. Nine Flashes - Open pressure switch on 2nd stage.
1 2. user_12345a. 21105 posts · Joined 2014. #2 · Feb 15, 2020 (Edited) Make sure the combustion air intake and exhaust are clear outside. Check the condensate lines and trap for blockages. Water backing up can reduce flow and cause the pressure switch to not make. Check the pressure switch tubes for blockages.
Gas and Oil Home Heating Furnaces - Goodman Furnace Open High Limit (code: 4 blinking lights) - Hello, I have a Goodman Furnace, model GDH80703AXAC, it was installed a little under a year ago. It worked fine for the first year and fine so far for this year. Until about 2 days ago. The burners went out, and when I
Model of the furnace: Keeprite high efficiency gas furnace Thermostat: Honeywell 4110 PRO Thermostat wiring: 4 wires [No C wire] Heating and cooling: yes I bought a new house and the furnace is one year old. Due to renovations, no one lived here so not sure it has been used. temperatures fell and I started using heating.
Code 3 would be pressure stuck open. Remove the tube between the blower and pressure switch and make sure the tube connectors are clear. Reply Quote Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Goodman Furnace - Won't Light - No Codes. Eleven year old Goodman gas furnace. The main vent blower will start, but that's where things end. The draft inducer motor doesn't start and nothing else in the chain obviously happens after that. The LED on the board stays red and never flashes any codes.
Hey all, I have a goodman gmnt060-3b furnace, original to a home built in 2004; around this time last year, the inducer motor of said furnace went dead, and the small metal fan blade worked itself independent of the turbine; i was okay with it as the unit was 10 years old, and well, sometimes, things happen.
The board may have a code for a blown fuse or lack of 24 volts. Most do. There should be a sticker on the inside of one of the doors or the code is in the wiring diagram on those doors. Check new literature for your model off the goodman site, updates flash codes all the way up to 12 flashes.
Thank you! Use a meter to see if the limit is stuck open - with power off and furnace is cool, disconnect the wires to the high limit, set meter to ohms and check -> it should read 0 ohms or very close to that. If it's open or reads significant resistance, replace the limit with identical goodman part with same readings.
Yeah, I've also read that the pressure switch is rarely the cause for the code 3 errors. That was the first thing I tried before replacing the inducer motor so I was wondering if I replaced it with a non OEM faulty switch.