PROBLEM |
| PROBABLE CAUSES | CORRECTIVE ACTION |
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| A. If the pump runs normally after |
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| resetting the thermal overload switch, |
| A. Thermal overload switch has tripped | the pump was overheated. | |
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| on an overheated motor. | Always filter with the cooking |
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| Test: If the pump stopped suddenly | oil/shortening at or near frying |
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| during the filtering process, | temperature. |
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| especially if after several filtering |
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| cycles, the pump motor has probably | Allow the pump motor to cool off for |
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| overheated. Place the filter handle in | |
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| about ten minutes after filtering two | |
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| the OFF position, allow the pump to | |
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| full frypots one after the other. | |
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| cool for at least 45 minutes, and then | |
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| press the reset button on the pump | Check the filter paper between |
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| motor. Attempt to activate the pump. | |
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| filterings. Replace the paper if there | |
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| is a large accumulation of sediment. |
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| B. Failed |
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Pump won’t start. |
| Test: If this is a |
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OR |
| attempt to operate the pump using a | B. If the switch is loose, tighten the nuts |
| different handle. If the pump starts, | ||
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| the handle microswitch is either out | and bolts holding it in place, ensuring |
Pump stops during |
| that when the handle is placed in the | |
| of alignment or has failed. | ||
filtering. |
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| ON position, the lever on the |
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| When the handle is placed in the ON | microswitch is pressed firmly against |
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| the switch. | |
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| position, the lever on the microswitch | |
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| should be firmly pressed against the | If the switch has failed, call FASC. |
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| switch. If so, the switch has failed. If | |
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| not, the switch is loose and/or |
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| misaligned. |
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| C. | Pump blockage. | C. Pump blockages are usually caused |
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| Test: Close the drain valve. Place | by sediment |
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| the filter handle in the OFF position, | due to improperly sized or installed |
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| allow the pump to cool for at least 45 | filter paper and failure to use the |
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| minutes, and then press the reset | crumb screen. Call FASC to have |
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| button on the pump motor. Pull the | blockage cleared. |
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| filter pan from the unit and then | Ensure that filter paper is of the |
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| activate the pump. If the pump motor | |
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| hums and then stops, the pump is | proper size and is installed properly, |
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| blocked. | and that the crumb screen is used. |
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