Frymaster 1824/2424G Main Burner Malfunctions, Main burner will not, come on even though, fryer

24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES

1.9.2 Main Burner Malfunctions

PROBLEM		CORRECTIVE ACTION
Main burner will not	1.	Check that the combination gas valve is ON.
come on even though	2.	Check that the pilot is lit and is operating properly.
air blower is in
operation; no gas	3.	Check high temperature safety switch. Replace if defective.
pressure at main
burner.	4.	Check air prover (pressure switch) as follows:
		Ensure green prover light is on. If not, check for 24 VAC going
		into and coming out of the air prover pressure switch.
	5.	Check air prover switch (sail switch) as follows:
		Move actuating lever at switch to ensure it is not dragging in
		the slots (use long tool to avoid burns). If so, bend the arm
		carefully to clear the obstruction. Check the air prover switch
		for continuity and replace if defective.
Air blower is not	1.	Cooked product or other material may have fallen into the flue
operating, although		and lodged in the blower wheel, preventing it from turning.
power is present at the		Clean out flue and blower wheel.
fryer.	2.	Blower motor may have overheated and shut off. This
		condition will correct itself when motor cools (20 minutes). If
		problems with blower overheating persist, call for service.
	3.	If fryer is equipped with a Thermatron controller, the
		temperature probe or the controller board may be defective.
Main burner flames are	1.	Check gas pressure at the pressure tap of the burner manifold.
small and appear lazy;		Use a standard water-type U-gauge manometer. With the
Oil does not come up		burner in operation, the pressure should be about 4" W.C. on
		natural and 11" W.C. on propane (LP) gases. If not, unscrew
to temperature quickly.
		the cover of the pressure regulator adjustment and turn the
		adjusting screw clockwise to increase gas pressure (or
		counterclockwise to decrease the pressure). Replace cover
		and plug.
There are signs of	1.	Check the frypot for excessive build up of debris.
excessive frypot	2.	Thermatron controller may be out of calibration. Re-calibrate
temperature;
		in accordance with instructions in Section 1.6.
oil becomes
discolored quickly.	3.	Check gas pressure.
	4.	Oil of inferior quality or used too long. Replace with quality oil.

1-27