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Model 291
SECTION 1. TROUBLESHOOTING
1-1. INTRODUCTION This section provides troubleshooting information in the form
of an easy to read table.
If a problem occurs during the first operation of a new fryer,
recheck the installation per the Installation Section of this
manual.
Before troubleshooting, always recheck the operation pro-
cedures per Section 3 of this manual.
1-2. SAFETY
Where information is of particular importance or safety related,
the words DANGER, WARNING, CAUTION,
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Model 291 1-3. TROUBLESHOOTING To isolate a malfunction, proceed as follows: 1. Clearly define the problem (or symptom) and when it occurs. 2. Locate the problem in the Troubleshooting table. 3. Review all possible causes. Then, one-at-a-time work through the list of corrections until the problem is solved. 4. Refer to the maintenance procedures in the Maintenance Section to safely and properly make the checkout and re- pair needed. If maintenance procedures are not followed correctly,
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Model 291 Problem Cause Correction COOKING SECTION Product color not correct: A. Too dark • Temperature too high • Check temperature setting in the program mode; see Programming Section in Operator’s Manual • Faulty temperature probe • Remove and replace tempera- ture probe • Shortening too old • Change shortening • Shortening too dark • Filter shortening • Change shortening • Breading product too far • Bread product closer to in advance actual frying period B. Too light • Temperature
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Model 291 Problem Cause Correction COOKING SECTION (Continued) D. Spotted • Improper separation of the • Load product into racks product product properly • Breading not uniform on • Sift breading regularly the product • Separate product during breading • Burned breading particles • Filter the shortening more on product frequently • Product sticking together • Separate product prior to pressure cooking E. Dryness of • Moisture loss prior to • Use fresh products prod
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Model 291 Problem Cause Correction COOKING SECTION (Continued) D. Rancid taste • Shortening too old • Replace shortening, and follow recommended care and use of shortening • Infrequent filtering • Replace shortening and follow recommended care and use of shortening • Non-compatible products • Replace shortening cooked within the same • Use compatible products, shortening. - and follow recommended care and use of shortening • Raw product not fresh • Use fresh product G
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Model 291 Problem Cause Correction POWER SECTION With switch in • Open circuit • Check to see that unit is POWER position, plugged in the fryer is com- • Check the breaker or fuse pletely inoperative at supply box (NO POWER) • Check voltage at wall receptacle • Check MAIN POWER switch; replace if defective • Check cord and plug • Check 15 amp fuses HEATING OF SHORTENING SECTION Shortening will not heat • Blown fuse or tripped • Reset breaker or replace fuse circuit breaker at supply box
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Model 291 Problem Cause Correction HEATING OF SHORTENING SECTION (Continued) Heating of shortening • Low or improper voltage • Use a meter and check the too slow receptacle against data plate • Weak or burnt out element(s) • Check heating element(s) per Heating Elements Section • Points in contactor bad • Check contactor per Heating Contactors Section • Wire(s) loose • Tighten • Burnt or charred wire • Replace wire and clean connection connectors Shortening • Programming wrong • Check te
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Model 291 Problem Cause Correction SHORTENING FOAMING/DRAINING SECTION Foaming or boiling • Water in shortening • At end of a Cook Cycle, over of shortening drain shortening and clean frypot; add fresh shortening • Condensation line stopped up • Remove and clean condensation line • Improper or bad • Use recommended shortening shortening • Improper filtering • Refer to the procedure covering filtering the shortening • Cold zone full of cracklings • Filter shortening • Improper rinsing
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Model 291 1-4. ERROR CODE TABLE In the event of a control system failure, the digital display shows an error message. These messages are coded: “E4”, “E5”, “E6”, “E10”, “E15”, “E41”, “E46”, “E47”, “E48”, “E70B” and “E92”. An alarm sounds when an error code is displayed, and to silence this alarm, press any button. DISPLAY CAUSE PANEL BOARD CORRECTION “E-4” Control board Turn switch to OFF position, then turn switch back ON; overheating if display shows “E-4”, the control boar
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Model 291 1-4. ERROR CODE TABLE (Continued) DISPLAY CAUSE PANEL BOARD CORRECTION “E-41”, “E-46” Programming Turn switch to OFF, then back to ON, if display shows any Failure of the error codes, try to reinitialize the control; if error code persists, have the control board replaced “E-47” Analog converter Turn switch to OFF, then back to ON, if “E-47” persists, chip or 12 volt have the I/O board, or the PC board replaced; if speaker supply failure tones are quiet, probably I
