Question about Heating & Cooling
Thermostat telling unit to come on but will not start. Error code say "rollout switch open"
Posted on May 15, 2014
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Posted on Jan 02, 2017
you probably have a cracked heat exchanger which is causing the rollout switches to trip.even the tiniest of cracks will cause the fan to blow the flame back into the unit and cause them to trip. check the heat exchanger for even the tiniest of cracks if so replace it. and be sure to have a carbon monoxide alarm in your home.
Posted on Oct 30, 2008
Once you have installed the jumper, you will need to kill power to the furnace for about a minute to reset the board. Make sure the the jumper is making good contact. Sometimes they appear to be plugged in but still are not making contact.
Posted on Oct 04, 2009
SOURCE: will not start up has
i think it is a igniter failure but as its a gas appliance i would not recommend a home repair because if its not correct and you play with something and their is an explosion then your house insurance is invalidated ,also you could kill yourself if the flue is blocked with carbon monoxide the best advice here is to call a certified engineer and pay the bill ,also to get him to check it over so you obtain a certificate as if anything does happen you are covered on the insurance then.
Posted on Dec 10, 2010
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