Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)
The green light blinks four times on my furnace. It says that the problem is an open limit switch. The thermostat won't recognize the temp.
Tjere is a limit switch that will only allow the durnace to reach a certain temp by kicking on the fan. The thermostat being unable to read the temp affects its ability to keep the furnace from exceeding your settings. *Advise not to use until corrected. Both limit switch and thermostats are inexpensive and simple to change. If in doubt, call a heat and AC tech to repair.
Posted on May 20, 2009
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Posted on Jan 02, 2017
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