Hobart FT900BD, FT900SBD Symptom Possible Cause, Disconnect electrical power supplyies and follow

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TROUBLESHOOTING

Manual Reset Button on Pump Motors, Conveyor Motor and Blower-Dryer Motor

In case any motor becomes overheated, the thermal overload will cause the motor to not operate. A manual reset button is provided on the junction box for each motor. To restart after the motor is allowed to cool, press the manual reset button on the motor junction box (Fig. 39). If motor(s) continue to trip, contact Hobart service.

MOTOR RESET BUTTON

 

 

 

 

Fig. 39

 

 

 

 

SYMPTOM

POSSIBLE CAUSE

 

 

NOTE: If symptom(s) persist after possible causes have been checked, contact

 

 

Hobart Service.

 

Machine Won't Operate

1. Blown fuse or tripped circuit breaker at power supply.

 

After Start Button is

2. Inspection door(s) not closed, Door(s) Open displays.

 

Pressed.

3. Conveyor may be jammed.

 

 

4.

Check drains, make sure they're closed. Check tanks, make sure they're full.

 

Ware Not Clean.

1. Insufficient pre-scraping or tank water may need to be changed.

 

 

2.

Missing end plug from wash arm.

 

 

3.

Wash arm nozzle obstruction.

 

 

4.

Water leaking past manifold O-ring.

 

 

5.

Loss of water pressure due to pump obstructions.

 

 

 

 

 

Disconnect electrical power supply(ies) and follow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lockout / tagout procedures. Drain tank(s) and check for any obstructions

 

 

 

at the pump intake.

 

 

6.

Incorrect water temperature. Check circuit breaker to electric heat supply, or

 

 

 

main steam valve. Make certain valve is completely open.

 

 

7.

Incorrect detergent dispensing. Contact your chemical representative.

 

 

8.

Manual overload on pump motor(s) may have tripped.

 

 

9.

Wash arms installed incorrectly.

 

10. Ware not loaded properly.

Leaking Vacuum

1. Foreign material or corrosion could be preventing proper valve operation. Shut

Breaker.

off all incoming water supply line(s). Unscrew and lift bonnet from valve body.

 

Clean valve and reassemble.

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Contents FT900 Series Dishwashers Table of Contents FT900 Series Dishwashers Operation Machine Preparation Check before beginning operationTank Filling Alternative Temperature Display Names Table a DishwashingLoading Recommended Minimum TemperaturesEmpty Strainer Baskets During Operation AS Necessary UnloadingCleaning Clean Sensor Openings AT Load END of Machine Cleaning the TOP Duct Cleaning the BLOWER-DRYER AIR Filter DOs and DONTs for Your NEW Hobart DishwasherCurtains and Drainback PANS, Model FT900 LoadCurtains and Drainback PANS, Model FT900D To L Operation Center SectionCurtains and Drainback PANS, Model FT900S To L Operation 4 Center SectionCurtains and Drainback PANS, Model FT900SD FT900SD To L Operation 4 Center SectionSuperOperator SO Machine Operation and Programming Security LevelsOperator O Manager MUser Programming Instructions Menu Display PromptsEntering the Parameters Menu Navigating the Parameters MenuParameters Menu Parameters Menu TableCommunications Setup Menu Communications Setup Menu TableMotors Line StrainersLubrication Conveyor GearmotorConveyor Shaft Flange Bearings Conveyor Speed AdjustmentConveyor Drive Chain Conveyor Take-Up UnitSymptom Possible Cause Disconnect electrical power supplyies and followElectronic Sensor AT Load END Hobart Service Display Reads Possible Resolution Page Page Date