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 | |||
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operation; no gas | 3. | Check high temperature safety switch. Replace if defective. | |
pressure at main |
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burner. | 4. | Check air prover (pressure switch) as follows: | |
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| Ensure green prover light is on. If not, check for 24 VAC going | |
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| into and coming out of the air prover pressure switch. | |
| 5. | Check air prover switch (sail switch) as follows: | |
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| Move actuating lever at switch to ensure it is not dragging in | |
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| the slots (use long tool to avoid burns). If so, bend the arm | |
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| carefully to clear the obstruction. Check the air prover switch | |
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| for continuity and replace if defective. | |
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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. | |
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fryer. | 2. | Blower motor may have overheated and shut off. This | |
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| condition will correct itself when motor cools (20 minutes). If | |
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| problems with blower overheating persist, call for service. | |
| 3. | If fryer is equipped with a Thermatron controller, the | |
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| temperature probe or the controller board may be defective. | |
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Main burner flames are | 1. | Check gas pressure at the pressure tap of the burner manifold. | |
small and appear lazy; |
| Use a standard | |
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. |
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| the cover of the pressure regulator adjustment and turn the | ||
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| adjusting screw clockwise to increase gas pressure (or | |
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| counterclockwise to decrease the pressure). Replace cover | |
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| and plug. | |
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There are signs of | 1. | Check the frypot for excessive build up of debris. | |
excessive frypot | 2. | Thermatron controller may be out of calibration. | |
temperature; | |||
| in accordance with instructions in Section 1.6. | ||
oil becomes |
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discolored quickly. | 3. | Check gas pressure. | |
| 4. | Oil of inferior quality or used too long. Replace with quality oil. | |
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