I have a goodman heater and it is blinking six times. it read that six blink means open rollout. the roll is good and i still replaced it and the furnace still blinks six times. what can be the problem? the fan works but nofire
Did the furnace kick in at all after you replaced the rollout? if it did run then check the filter make sure its clean, or even leave it out for a bit. if it didnt run after you replace the roll out then switch the breaker off then wait ten seconds then turn back on this will reset the ciruit board and it should try to cycle. next thing you can try is jumper the roll out switch DO NOT LEAVE IT JUMPERED, its just to double check that its not the roll out, if it works jumpered replace the roll out again and try that. if none of that works take out the crews on the ciruit board and check the back. sometime when a ciruit board fails there will be a burn mark somewhere on the back, if there is replace it.
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The flame rollouts are located in the burner compartment and attached to the sides or top of the metal housing around the actual burners. They are small and round and have 2 wires hooked to them. They are there for safety to detect if the flame is rolling out of the heat exchanger, caused by other possible issues. However, sometimes they do go bad and have to be replaced. Also, your rollouts are ran in series with the limits and may also be that. The only way to track it down is to have a meter that measures continuity and after the unit stops working, see which device you lost current through. Bypassing these can be harmful and cause major problems so I do not recommend it. One thing you can try is to make sure all filters are clean and the air flow throughout the house is "normal". These can cause the unit to overheat and trip one of the limit switches that I mentioned earlier. I also do not recommend watching if the flame is coming out of the heat exchanger causing a rollout to trip, but if it is, you could have a blocked flue pipe or other issues. I hope this helps or at least points you in the right direction. Good luck and happy holidays!
if this is an error code and you mean that the light blinks 4 times then it is the limit circuit. This could mean either the high limit or a roll out switch is open. the limit switch is right in the center of the furnace above the burner and roll out switches are probably somewhere around the opening of the burner. Follow the wires from the limit to find a roll out switch cause they are in line with each other and the rool out switch could have a button to reset it. However if the roll out is not tripped then you could need to change the limit. Only way to know is to check for continuity.
It is in Lockout mode. Something has happened to make it go into lockout. It could be an easy fix. Look of cobwebs in the tubing between the proving switch and the draft inducer motor. Look for air restrictions in the chimney flue. Rusty burners (if applicable). Tripped rollout switches. Some times there could be up to 2 roll out switches on the burner and another in the flue and 2 others in between stuff. . Most times it is a dirty flame sensor. Over the summer the flame sensor gets dusty and the sensitivity gets off. The control fails to FEEL the probe and locks out the gas valve. Most times the failure will be defines by the amount of blinks the red light emits. The sub panel has a guide on it that tells what the blinks mean.
You may have a roll-out switch triggered or a blown fuse on the circuit board. In the burner box, there will be a small round disk with two wires connected to it. It may have a small stem that sticks out between the two wires. Press in on the stem and feel if it clicks. Look for any other disks like this. Look at the fuse on the circuit board. Replace it if necessary. You can jump the roll out switch(s) to test them if you don't have a multimeter.
do not adjust your gas pressure without an manometer or if you dont
know what you are doing could be very dangerous. Roll out switches are
manual reset if you have an open roll out on a Goodman furnace you
probably have a cracked heatexchanger, get a qualified technician out
I cant be sure but usually the constant blink on some boards means reversed polarity. Check your HOT (L1 - Black) comming in to the connector box and the your NUTURAL (L3 - White) should not read any volts to ground (not more than 12 volts on an electronic VOM). If this is opposite remove power and reverse black and white wires and retry.
HOPE THIS HELPS PLEASE GRADE ME ACCORDINGLY and GOOD LUCK!