Question about Master Heaters Master B115DT 115,000BTU Fan Forced Air Heater with Thermostat

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My heater was working fine for 2 days. I unplugged it for the night and the next morning it wont do anything. Its like its not plugged in. The fan doesnt spin, there is no preheating of the element. nothing. there is power to the plug, havent checked it at the motor.

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There is a fuse on your circuit board I would check to make sure that this fuse has not blown.

If this fuse is not blown then make sure you are getting power through the switch to the board.

Posted on Jan 04, 2011


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The electric cooling fan would not shut off so i unpluged the fan then plugged it back in the next morning and now it wont come on until i unplug theheat sending sensor 99 escort 2 liter automatic

Sounds to me like the fan relay stuck on in the first place. Are you sure that the coolant is getting warm enough to turn on the fan? Most cars don't turn on the fan till the coolant gets to 226 F. You might want to change the sensor if this is the case. Sometimes the sensor wont read high temp's. We know the relay and the computer are working now because the fan comes on when you unplug the sensor.
Post back if you need to know more about the system.
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Jun 06, 2011 | Ford Escort Cars & Trucks

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I have a reddy heater multi fuel 115000btu. Worked great for 8 years with a little use every winter. Never done anything to it. One day it shut off with the thermostat satisfied. I let room temp go down...

You've done all the right things so far. I would recommend the you go to the following link. Look up your model number and download the Owners Manual and consult the Trouble Shooting Guide. But, I suspect, it may be bad fuel. None the less, consult the Owners Manual.


Hope this helps you solve the mystery.

Feb 15, 2011 | Heating & Cooling

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My fridge is not keeping anything cool. Its on but sits at about room temperature. Thought the freezer appears to work fine. Any ideas?

you have a deforst problem either the fan in freezer or tstat or heater is not working properly take off the back panel on the inside of the freezer and unplug the machine first and u should see ice build up. after you dfrost the ice with a hairdryer, that you will in my opinion see then plug the machine back in to see if the fan is working if it is it will spin around blowing the air if not replace it if it is then next you would have to do continuity test on tstat and heater make sure you unplug the machine before you do these tests.please remember to rank how this post has helped your appliance situation and if i can answer anything further message me back have a great day

Aug 25, 2010 | Whirlpool 17.6 Cu. Ft. Top-Mount...

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May 04, 2010 | 1999 Volkswagen Passat

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MPC model D945GCZ serial:4237231-0001 INTEL

It should at least beep. Those beeps are diagnostic codes. Listen to the beeps and google 'bios error beep codes'. If it doesn't beep, the motherboard must be replaced.

Apr 20, 2010 | Computers & Internet

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Good-day! I have a 1991 honda civic. My wife unpluged the block heater for the night, so, it didn`t start in the morning. I repluged it in, took out the battery for the the next night to warm it...

#1 lights inside car mean squat they are very low draw how about radio heater headlights...and trying your ignition...I suggest you clean your battery teminal after fully charging your battery and make sure the terminals are nice and tight and then try starting your car w/out turning anything else on if it starts you have solved it if you drive it and it dies then you are just using juice in battery have alternator and battery lode tested at a reputable garage most will do for free on hopes of selling you what you need if they are ok then cherck your starter good luck

Dec 20, 2009 | 1991 Honda Civic

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2006 Chevy Aveo won't start in cold weather

go to an auto parts store and get an electcic dipstick heater . remove your oil dipstick after parking car for the night.install electric dipstick preferrably while engine is still hot plug it in at night .this will
help keep the oil warm and also the block after car starts unplug heater remove it and install original dipstick. this is the easiest to install but there are also block heaters

Jan 06, 2009 | 2006 Chevrolet Aveo

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