Frymaster EWBS User Manual

Page of 96
ii
6.4.1
How the Power Supply System Works ........................................................................ 6-11
6.4.2
How the Computer Works............................................................................................ 6-11
6.4.3
How the Autofill/Autoskim System Works ................................................................. 6-12
6.4.4
How the Water Heating System Works ....................................................................... 6-12
6.4.5
How the Basket Lift System Works ............................................................................. 6-13
6.4.6
Technician Troubleshooting Guides ............................................................................ 6-14
Troubleshooting the 24VAC Power Supply System.................................................... 6-14
Troubleshooting the 24VAC Power to Computer........................................................ 6-15
Troubleshooting the Autofill System ........................................................................... 6-16
Troubleshooting the Water Heating System ................................................................ 6-17
Troubleshooting the Basket Lift System ...................................................................... 6-18
6.5
Parts List....................................................................................................................... 6-19
Accessories................................................................................................................... 6-19
Basket Lift Components............................................................................................... 6-20
Cabinetry ...................................................................................................................... 6-22
Cookpot, Rinse Tank, and Drain Components............................................................. 6-24
Electronics .................................................................................................................... 6-26
Water Supply System Components.............................................................................. 6-28
6.6
Wiring Diagram............................................................................................................ 6-29
CHAPTER 7:  ESW/EWBS Service Procedures & Parts
7.1
Functional Description ................................................................................................... 7-1
7.2
Accessing Equipment for Servicing ............................................................................... 7-3
7.3
Replacing Equipment Components ................................................................................ 7-3
7.3.1
Replacing the Computer................................................................................................. 7-3
7.3.2
Replacing Electronic Components Other than the Computer ........................................ 7-3
7.3.3
Replacing a Heating Element ......................................................................................... 7-4
7.3.4
Replacing the High-Limit Thermostat ........................................................................... 7-5
7.3.5
Replacing a Water-Level Sensor.................................................................................... 7-6
7.3.6
Replacing the Temperature Probe .................................................................................. 7-6
7.3.7
Replacing the Pressure Regulator or Solenoid Valve .................................................... 7-8
7.3.8
Replacing the Water Faucet ........................................................................................... 7-8
7.3.9
Replacing a Basket Lift Motor or Microswitch.............................................................. 7-9
7.3.10 Replacing the Cookpot ................................................................................................. 7-10
7.4
Technician Troubleshooting......................................................................................... 7-12
7.4.1
How the Power Supply System Works ........................................................................ 7-12
7.4.2
How the Computer Works............................................................................................ 7-12
7.4.3
How the Autofill and Skim Systems Work .................................................................. 7-13
7.4.4
How the Water Heating System Works ....................................................................... 7-13
7.4.5
How the Basket Lift System Works ............................................................................. 7-14
7.4.6
Technician Troubleshooting Guides ............................................................................ 7-15
Troubleshooting the 24VAC Power Supply System.................................................... 7-15
Troubleshooting the Autofill System ........................................................................... 7-16
Troubleshooting the Water Heating System ................................................................ 7-17
Troubleshooting the Basket Lift System ...................................................................... 7-18
7.5
Parts List....................................................................................................................... 7-19
Accessories................................................................................................................... 7-19
Basket Lift Components............................................................................................... 7-20
Cabinetry ...................................................................................................................... 7-22