ASSUMING your heater uses an eye (photocell) as a flame detector, the eye has high resistance when it's dark (no flame). When the flame lights, the resistance of the photocell drops dramatically and "signals" the safety shutdown unit that the flame is lit and all's well, so the safety control allows the heater to keep operating.
If the "eye" is dirty or has failed and doesn't signal the safety unit that the flame has lit, the safety unit "times out" after 30 or 40 seconds and shuts the heater down for safety's sake.
Of course, the "eye" MAY be good and the safety shutdown MAY have failed.
ANYHOW you'll want to repair the safety circuit, or someday the heater will fail to light and (with your wires "jumped"), continue to run and pump all the fuel in the tank into itself and eventually onto the floor (or WORSE)!
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Today's Featured Article - Trailering Your Tractor - by Curtis Von Fange. One of the fun things of summer and fall are the parades and tractor shows that go on across America. Many owners of tractors travel long distances to attend these shows and they usually take their restored iron along with them. Safe trailering practices and inspections will ensure that the event is a fun one. A good habit to develop when using a trailer is to give that �quick look over� before taking it on a trip. Before hooking up to it check the tongue for proper operation. The latche
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