Check the flame sensor is clean . Also check out the pressure switch . Check out the snap disk high and low temp .
SOURCE: Heater Burner ignites but main blower motor will not turn on.
it sound like the blower motor may be seizing up. try spining the blade by hand to see if it feels free or not. the motor could be trying to turn but can then tripping itself out on overload. (most motors have built in safety overloads which will trip during an overcurrant event. aka too many amps.) you may have to replace blower motor
SOURCE: pilot will not stay on
replace your regulater,which almost cost as much a a new heater.I have own 4 or 5 and finally got a good one,I have in the past cleaned out the regulator that was plugged with oil from the propane,they put oil in the propane for leak detection,I hope this helps you
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SOURCE: my mr heater mh9b won't stay lit
my mr heater mh9b won't stay lit. The pilot flame starts acting wierd and making noise after ten to fifteen minutes of being lit and then goes out completely. It can be re-lit but goes out again in a bit. Any suggestions?
SOURCE: Mr. Heater Natural Gas Garage Heater - 45,000 BTU.
my garage heater was working early this winter. I turned the thermostat to 0, but when I went to restart heater nothing happens, can you help me with this problem?
SOURCE: I have a mr. heater big maxx. It is a 75000 btu
the vent pressure switch will have a rubber type hose off it to the combustion fan housing. pull the hose off and poke the conector with a paper cilp or wire to make sure it is not plugged at the housing. make sure the vent fan is running and jumper the switch if it comes on replace the switch if not look else where for your problem.a volt meter is a great tool . voltage across a switch means it is open and no voltage means its colsed. i should say to also check your venting as it maybe blocked. there is no reset
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