Lincoln Impinger pizza oven Need manuals

Sounds like only half the elements are working. You will need to get someone in to look at it.

If the main fan motor is screaming in your lincoln impinger oven, actually that means the motor is faulty. more so the bearing in the motor are worn out and should be replaced, its easier to replace the motor itself but the motor is very expensive. To save money you can actually replace the bearings your self by opening the back cover in which the motor is mounted, then unmount the motor and disassemble it so you can take out the bearings. take the bearings as a sample to a bearing store so that you can get the size correct.
make sure you get bearings that can handle high temperatures and not those with plastic seals ment for wet or water places.

Google search "Lincoln impinge" and find your local service agent.

My device has this message. (BElt jam). Pizza oven Lincoln gas.

Yes, it could be, because the heating element is OK

Both ovens don't work? Is the gas turned on? Have you waited 20 minutes?
Service manual

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This error LLL on the display screen is as a result that the temparature controller is faulty or the the temparature probe is kaput

Sorry I sent you the 1600 series manual.
Here is the 1400 manual
http://lincolnfp.com/docs/uploaded/lin/products/Impinger_I/L371075%20-%201450%20Series%20Gas%20Service%20Manual%20-%20Domestic%20-%2010_21_09.pdf

this sounds like the gas solenoid valve you may need to change the coil on the solenoid valve

hellow my name is ash i sale linclion ovens and repair they have only one burner and they only go up to 600 degree F make sure that the impenger plates one on top and one bottem are possion prapley, 2nd set temp at 500 and 530 f time 6.5 m if still under cook blow use plates with holes