All-Pro Popular Questions, Answers, Tips & Manuals

the best place to look for replacement motors is at Johnstone Supply.

Question edited for clarity and typos. Question moved from Cars and Trucks category. FULL 'make model (what it is)' in all questions please, first 3 words. Generic answer - Clean the jets, check the thermostat, check gas pressure.

it is not a CAR it is a space heater, must we guess it is Kerosene and sump means fuel tank? yes most fuel heaters on earth have ignition tests (sensors) so you to hot have huge fuel fire. , SAFETY FIRST>page 3 see it? so RTM https://toyotomiusa.com/wp-content/uploads/2021/09/Laser-73-and-73ATType-M.pdf

if safety cicuit is ok check to see if voltage to ignitor if yes but doesnt glow replace

Hold the Red Button for much longer than you think. It has to fully heat the thermocouple safety device. Then release VERY slowly. There are tips here https://www.google.com/search?safe=off&rlz=1C1QJDB_enCA643CA644&sxsrf=ALeKk019mViwcH7XzWSqfLTcR2JQMQz9Og%3A1614104534374&ei=1kc1YNilFquawbkP3IGz8As&q=all+pro+propane+heater+won%27t+stay+lit ..

Its the thermacouple. It's a peice that senses the heater is lit and keeps the gas valve open. They are fairly cheap to replace.

Similar heaters that use diesel have to routinely cope with the dye added to untaxed fuel, ditto similar heaters that use both fuels. Unless there was an excess of dye in the fuel you used the problem was probably a coincidence. Dirt can be a big problem due to corrosion forming in the fuel tank caused by a relatively large percentage of moisture naturally in the fuel and the formation of condensation. Fuel is generally filtered through a fine gauze when the tank is filled but there is little or no filtration preventing dirt already in the tank from being picked up and finding a way into the spray head which generally jams the spinner affecting the quality of the fuel spray. Cleaning the spinner and nozzle might work for a while but only a major clean out will restore reliability until the next time. It is also wise to check and adjust the pressure of the air pump.

Might have a bad board or relay .
Check to see what turn the fan on because your fan should run when heater reaches a certain temperature.

You might have a bad or dirty flame sensor.
Take it out and clean with sandpaper.

You can check the capicator. This is mounted next to fan motor.
There should be 2 wires going to it

Could the fuel be too old? I would recommend dumping the fuel in an outdoor firepit and burn it up. Use an inexpensive "Turkey Baster" to suck it out of the tank. Then put fresh kerosene in and try it. If you need further help, I’m available over the phone at https://www.6ya.com/expert/dan_77d17b8918f54455

Your gas pressure is regulated by the gas valve .You will need a special tool to check gas pressure on the gas valve .
Make sure burners are clean ,filters and blower wheel .
A lot of time dust settle on blower wheel and make it harder to spin causing reduction on air movement

Is the fuel tank cap vent clear? Are you sure there's no water in fuel tank? don-ohio

Check filter is clean on tank

no, there is something faulty

A cad cell is a photo-electric device that reads the UV rays given off by flame after it has ignited. If it does not 'see' the flame, due to a flame failure OR a cad cell failure, the control circuit is locked out. Make sure there is no carbon on the front (window)of the cell and make sure its adjustment is in perfect alignment to the flame.

If it is electric then you need to check resistors out of circuit. Some times they say 100R (ohms) but out of circuit they measure 60R due to long usage.

However check thermostat as it might be carbon on it causing dirty contacts

My guess would be a bad thermocouple!!!

carbon on the ignighter tip .

below is a picture of the motor, if you look at the wires you will see a round canister like object with 2 wires going to it, that would be the capacitor.