I have tried resetting it multiple times with no luck. Don't know if I froze up last nigh, haven't checked yet but it did go down to 6 degrees and windshield -7. I put the machine out of order so that no one would use it, figured that would help. Turned out a good thing as I saw someone try to use it around 6am but they ended up using the touch free. I have a kerosene tube heater that I have used in the past, but only to thaw out pipes and not as a replacement heater.Our ultimate heater was cycling the other day. Ultimate said it could be glasss view port glass came out, the vacuum switch went bad, or the relay failed. I turned power off for 10 minutes and then back on--it reset and has run fine since.
Ted
It is your control board in the heater. This happen to me.thermostat is in bay, heater is Ultimate Products heater. The "fan proved" light would stay on and you could hear the fan. It would try to light 3 times then lock out. I would do the reset and wait 5 minutes and it would do the same, 3 tries and then lockout. A couple of times the flame would kick on for about a second but then shut off again.