Jackson AJ-44 technical manual Troubleshooting, Common Problems

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SECTION 4: TROUBLESHOOTING

COMMON PROBLEMS

WARNING: Inspection, testing and repair of electrical equipment should be performed only by qualified service per- sonnel. Certain procedures in this section require electrical tests or measurements while power is applied to the machine. Exercise extreme caution at all times. If test points are not easily accessible, disconnect power, attach test equipment and reapply power to test. When replacing electrical parts, disconnect power at source circuit breaker

Problem: Nothing on dishmachine operates. The power switch is ON and the power indicator light is OFF.

1.Machine is not wired correctly to incoming power source. Have an electrician verify wiring.

2.Machine circuit breaker is tripped. Reset the circuit breaker. If it trips again, contact an electrician to verify the machine amp draw.

3.Service breaker is tripped. Reset the service breaker. If it trips again, contact an electrician to verify the machine amp draw.

Problem: Machine will not fill. The power switch is ON and the power indicator light is ON.

1.No water supply to machine. Verify that water lines have been connected to the machine.

2.Dishmachine doors are not closed. Close doors completely.

3.Incoming water solenoid valve damaged/faulty. Verify that the valve is operating. If not, replace.

4.Tank floats faulty. Verify the wiring of the floats. Verify that no debris is jamming the floats. Replace if necessary.

Problem: Machine fills, but fill is weak.

1.Low incoming water pressure. Verify that incoming water pressure during fill is 20 ±5 PSI.

2.Incoming water solenoid is clogged. Verify that debris is not entrapped in valve. If so, remove debris.

Problem: Low wash tank temperature.

1.Low incoming water temperature. Verify that the incoming water temperature matches what is indicated on the machine data plate.

2.Heater not energizing. Verify that the wash tank heater is operating. If not, replace.

3.Low incoming voltage. Have an electrician verify that the power coming to the machine is the same as indicated on the data plate.

Problem: Low wash arm pressure, poor spray pattern.

1.Clogged wash arm nozzles. Verify that nozzles are not clogged with debris. If so, remove debris.

2.Clogged wash tank or wash pump strainers. Clean out strainers if necessary.

3.Worn wash pump impeller. Verify status of impeller, replace if necessary.

Problem: Low prewash arm pressure, poor spray pattern.

1.Clogged prewash arm nozzles. Verify that nozzles are not clogged with debris. If so, remove debris.

2.Clogged prewash tank or prewash pump strainers. Clean out strainers if necessary.

3.Worn prewash pump impeller. Verify status of impeller, replace if necessary.

Problem: Inadequate rinse.

1.Low incoming water pressure. Verify that incoming water pressure during fill is 20 ±5 PSI.

2.Incoming water solenoid is clogged. Verify that debris is not entrapped in valve. If so, remove debris.

Problem: Pawl bar moves with no load, but does not move when loaded.

1. Clutch on drive assembly is out of adjustment. Adjust as required.

AJ-44C Series Technical Manual 7610-001-76-22

Issued: 03-21-2006 Revised: N/A

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Contents AJ-44CGP AJ-66CGP For Jackson ModelsAJ-66CEL AJ-66CSLManufacturers Warranty ONE Year Limited Parts & Labor WarrantyStop Pare Arret Revision Made Applicable Details Date ECN AJ-44CSL Nomenclature for the Models Covered in this ManualTable of Contents Parts Parts Section Side Loader SectionD226 Steam Booster Section Electrical Schematics Viii Maintenance & Repair CentersSection Specification Information Specification Information AJ-44CGP Models AJ-44CE/CEL ModelsAJ-66CE/CEL Models AJ-66CGP ModelsAJ-80CE/CEL Models AJ-80CS/CSL ModelsD226 Steam Booster Specification Information AJ-44 Electric Left to Right Left to RightRight to Left AJ-44Information to Right Information AJ-44 GAS Right toLeft AJ-44 Steam Left to RightSpecification Information AJ-44 Steam Right to Left Specification Information AJ-66 Electric Left to Right Left to RightSpecification Information AJ-66 Electric Right to Left Right to LeftSpecification Information AJ-66 GAS Left to Right Left to Right AJ-66 GAS Right toAJ-66 Steam Left to Specification Information AJ-66 Steam Right to Left Right to LeftLeft to Right Specification Information AJ-80 Electric Right to Left Specification Information AJ-80 GAS Left to Right Left to RightRight to Left AJ-80 GAS Right toAJ-80 Steam Left to Recommended Table FabricationSpecification Information AJ-80 Steam Right to Left Right to LeftSide Loader Left to Right Dimensions Section A-ASide Loader Right to Left Dimensions Side Loader Installed Dimensions D226 Steam Booster Dimensions D226 Steam Booster Plumbing Line Drawings Typical Electric and GAS Booster Dimensions Rear ViewSection Installation & Operation Instructions INSTALLATION/OPERATION Instructions Installation InstructionsIncoming Power Connection Detergent Connection Point Machine rear view Deliming Operations Preparation Changing the AJ-44CE/CS Direction of TravelINSTALLATION/OPERATION Instructions Removing the bracket nut INSTALLATION/OPERATION Instructions INSTALLATION/OPERATION Instructions Special Parts Please refer to the chart for placement of the curtains Side Loader Installation & Operation Instructions Equipment Mounting PlumbingShutdown for Service only OperationGAS Conveyor Hose Installation Conveyor Hose Installation GASDishmachine Operating Instructions Dishmachine Operation Instructions Changing Dual Sanitization Mode Drive Mechanism Maximum Speed AdjustmentOrange background Detergent Control Striker Plate Limit Switch Installation Instructions Installation InstructionsSection Preventative Maintenance Preventative Maintenance Preventative MaintenanceD226 Maintenance Maintenance of the Water Pressure RegulatorLubrication Chart for Drive Gear SHC-90WDrive Motor Gear Reducer Preventative Maintenance Lubrication & MaintenanceSection Troubleshooting Section Troubleshooting Common ProblemsTorque Settings Items Torque SpecD226 Common Problems Problem Power light does not illuminate
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