Frymaster 45 Series 45 SERIES GAS FRYERS SERVICE AND PARTS MANUAL TABLE OF CONTENTS

45 SERIES GAS FRYERS SERVICE AND PARTS MANUALTABLE OF CONTENTS

CHAPTER 1: Service Procedures

1.1 Functional Description....................................................................................................1-1

Pilot Ignition System.......................................................................................................1-1

Control Options...............................................................................................................1-1

Interface Boards..............................................................................................................1-1

Thermostats and Temperature Probes.............................................................................1-3

1.2 Accessing Fryers for Servicing.......................................................................................1-4

1.3 Checking the Burner Manifold Gas Pressure..................................................................1-4

1.4 Adjusting the Pilot Flame............................................................................................... 1-5

1.5 Cleaning the Gas Valve Vent Tube ................................................................................1-6

1.6 Adjusting Burner Ceramic Target Spacing and Alignment............................................1-6

1.7 Calibrating the Thermostat Control................................................................................1-6

1.8 Replacing Fryer Components .........................................................................................1-7

1.8.1 Replacing the Controller or Computer............................................................................1-7

1.8.2 Replacing the Operating Thermostat..............................................................................1-8

1.8.3 Replacing the Temperature Probe...................................................................................1-8

1.8.4 Replacing the Hi-Limit Thermostat in Fryers with Thermostat Controls.......................1-9

1.8.5 Replacing the Hi-Limit Thermostat in Fryers with Other Than Thermostat Controls.1-10

1.8.6 Replacing the Heat Mode Indicator Light in Fryers with Thermostat Controls...........1-10

1.8.7 Replacing the Power or Melt Cycle Switch in Fryers with Thermostat Controls ........1-11

1.8.8 Replacing the Melt Cycle Timer in Fryers with Thermostat Controls......................... 1-11

1.8.9 Replacing Burner Ceramic Targets...............................................................................1-12

1.8.10 Replacing the Gas Valve...............................................................................................1-12

1.8.11 Replacing the Pilot Assembly or Thermopile...............................................................1-13

1.8.12 Replacing the Frypot.....................................................................................................1-14

1.9 Troubleshooting and Problem Isolation........................................................................1-15

1.9.1 Ignition Failures............................................................................................................1-16

1.9.2 Improper Burner Functioning.......................................................................................1-17

1.9.3 Improper Temperature Control.....................................................................................1-18

1.9.4 Computer-Related Problems.........................................................................................1-19

1.9.5 Filtration Problems........................................................................................................1-20

1.9.6 Leakage Problems.........................................................................................................1-22

1.9.7 Basket Lift Malfunctions.............................................................................................. 1-22

1.9.8 Interpretation of Digital Controller Lights....................................................................1-28

1.10 Troubleshooting Guides................................................................................................1-28

1.10.1 Troubleshooting the 24 VAC Circuit in Units without Interface Boards.....................1-29

1.10.2 Troubleshooting the 24 VAC Circuit in Units with Interface Boards..........................1-30

1.10.3 Troubleshooting the Gas Valve ....................................................................................1-32

1.10.4 Troubleshooting the Thermostat...................................................................................1-33

1.10.5 Troubleshooting the Temperature Probe ......................................................................1-34

Probe Resistance Chart.................................................................................................1-35

1.11 Wiring Diagrams..............................................................................................................1-36