Frymaster EWBS, ESW, 17ECS manual Troubleshooting the 24VAC Power Supply to the Computer

Page 46

TROUBLESHOOTING THE 24VAC POWER SUPPLY TO THE COMPUTER

Place the master ON/ OFF switch in the OFF postion, then back in the ON postion. Press the ON/OFF switch on

the computer.

 

 

Was there an

 

There is a problem in

Did the

 

 

the 24VAC Power Supply

No

audible snap from the

No

computer

System. Refer to the

contactor indicating the

activate?

 

 

troubleshooting guide on

 

coil energized?

 

 

 

 

Page 6-14.

 

 

 

 

 

 

Yes

 

 

 

 

Is 24VAC

 

Cause is a loose

 

 

present across Pins

No

 

 

or broken wire in

 

 

1 and 2 of the wiring

 

 

 

the wiring harness.

 

 

harness?

 

 

 

 

 

Yes

Yes

24VAC is reaching

computer.

6-14

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Page 45 Page 47
Contents
Hour Service Hotline Page Preventive Maintenance ESW/EWBS Service Procedures & Parts Page This page Intentionally Left Blank Parts Ordering and Service Information Safety InformationEquipment Description Qualified Service Personnel Qualified Installation PersonnelQualified AND/OR Authorized Operating Personnel What to do if your equipment arrives damaged Electrical Grounding Requirements General Installation RequirementsNational Code Requirements FCC ComplianceCaster/Leg Installation Pre-Connection PreparationsWatts Per leg Wire Size Connecting to the Electrical SupplyUse copper wire ONLY, suitable for at least 170ºF 75ºC Electric Cooker Models 17EC, 17ECS, ESW, & EwbsField Connection Wiring Diagrams Introduction Computers are not interchangeableSetting the Controller Transition Temperature/Boil Intensity Operating InstructionsAltitude Boiling Point Controller Simmer Mode Adjustment Toggling Between Fahrenheit and Celsius Temperature DisplayShutting the 17EC/17ECS Down Start-Up ProcedureComputer Magic III Controller As Used on Ewbs Units Setting the Unit UP for FIRST-TIME Operation Operating the Computer Selecting FAHRENHEIT- Celsius Display Mode Selecting Boil or Simmer Mode Shutting the Ewbs with CM III Computer DownBoiling Out the Cookpot Page This page Intentionally Left Blank Daily Preventive Maintenance Inspect Equipment and Accessories for DamageThis page Intentionally Left Blank Before calling a servicer or the Frymaster Hotline Operator Troubleshooting Guide Problem Probable Causes Corrective ActionTroubleshooting Guide Replacing Fuses in 17EC and 17ECS Models Functional Description Replacing Equipment Components Replacing the Computer Replacing Electronic Components Other than the ComputerReplacing a Heating Element Replacing the High-Limit Thermostat Replacing the Temperature Probe Replacing a Water-Level SensorReplacing the Pressure Regulator or Solenoid Valve Replacing a Basket Lift Motor or Microswitch Replacing the Water FaucetReverse Steps 1-7 to complete the procedure Replacing the Cookpot or Rinse Tank How the Power-Supply System Works Troubleshooting How the Computer Works How the Autofill/AutoSkim System Works How the Water Heating System WorksHow the Basket Lift System Works Technician Troubleshooting Guides Troubleshooting the 24VAC Power Supply SystemTroubleshooting the 24VAC Power Supply to the Computer Troubleshooting the Autofill System Begin to fill?Troubleshooting the Water Heating System Probe ThermostatTroubleshooting the Basket Lift System OK?This page Intentionally Left Blank Parts List ComponentComponents Component Cabinetry Component Cookpot Rinse TankComponent Electronics Component Water Supply System Components Wiring Diagram 17ECS Computer ControlWiring Diagrams 17EMCS Page This page Intentionally Left Blank Units with Manual Controls rocker-switches and a thermostat Units with Computer Controls Replacing Equipment Components Replacing the Computer Replacing the Heating Element Hole Lead Replacing a Water-Level Sensor Attach wire15C here Attach wires 20C and 35C here Typical Water Supply System Configurations Reverse Steps 1-4 to complete the procedure Replacing the Cookpot On units with manual thermostat controlsRemove these screws Troubleshooting How the Autofill and Skim Systems Work How the Basket Lift System Works Position. Replace switch as required Controls? Checking HIGH-LIMIT Thermostat Temperature Probe Line voltage present at the Common Replace Cover Lift Component Disproportionately large for clarity 910-7377 Control Components Cookpot and Drain Components Electronics Component Supply Component Wiring Diagrams Remove this Cover to Inspect Field WiringUnits With ComputersService Hotline
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