Table Of Contents - Frymaster FOOTPRINT 8196345 Service & Parts Manual

Gas fryers

Table of Contents

CAUTIONARY STATEMENTS........................................................................................................ i

CHAPTER 1: Service Procedures

1.1

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

1.2

The Electronic Ignition System......................................................................................... 1-1

1.3

Interface Board .................................................................................................................. 1-2

1.4

Thermostats ....................................................................................................................... 1-4

1.5

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

1.6

Cleaning the Gas Valve Vent Tube ................................................................................... 1-5

1.7

Checking the Burner Manifold Gas Pressure .................................................................... 1-5

1.8

Measuring Flame Current.................................................................................................. 1-7

1.9

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

1.9.1

Replacing the Controller or the Controller Wiring Harness............................... 1-7

1.9.2

Replacing the Temperature Probe or High-Limit Thermostat ........................... 1-8

1.9.3

Replacing the Interface Board ............................................................................ 1-8

1.9.4

Replacing an Ignition Module............................................................................ 1-9

1.9.5

Replacing an Ignitor Assembly .......................................................................... 1-9

1.9.6

Replacing or Cleaning a Combustion Air Blower............................................ 1-10

1.9.7

Adjusting the Air/Gas Mixture......................................................................... 1-11

1.9.8

Replacing a Gas Valve ..................................................................................... 1-12

1.9.9

Replacing a Burner Assembly .......................................................................... 1-13

1.9.10

Replacing the Filter Motor, Filter Pump, or Filter Pump Solenoid Valve ....... 1-14

1.9.11

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

1.9.12

Replacing Frypot Insulation and/or Upper Burner Rails.................................. 1-16

1.10 Troubleshooting and Problem Isolation .......................................................................... 1-19

1.10.1

Ignition Failure ................................................................................................. 1-19

1.10.2

Improper Burner Function................................................................................ 1-20

1.10.3

Improper Temperature Control ........................................................................ 1-21

1.10.4

Computer Malfunctions.................................................................................... 1-22

1.10.5

Filtration Malfunctions..................................................................................... 1-22

1.10.6

Leakage ............................................................................................................ 1-24

1.10.7

Basket Lift Malfunctions.................................................................................. 1-24

1.11 Troubleshooting Guides .................................................................................................. 1-26

1.11.1

Troubleshooting the 24 VAC Circuit ............................................................... 1-26

1.11.2

Troubleshooting the Gas Valve ........................................................................ 1-28

1.11.3

Troubleshooting the Temperature Probe .......................................................... 1-28

1.12 Probe Resistance Chart.................................................................................................... 1-29

1.13 ATO (Automatic Top-Off) Service Procedures .............................................................. 1-29

1.13.1

ATO (Automatic Top-Off Troubleshooting..................................................... 1-30

1.13.2

ATO (Automatic Top-Off) Board Positions and Harnesses ............................ 1-31

1.13.3

Replacing the ATO Board or Transformer....................................................... 1-32

1.13.4

Replacing the ATO Pump or Solenoid............................................................. 1-32

1.14 CM7 Computer Service Procedures ................................................................................ 1-32

1.14.1

CM7 Computer Troubleshooting ..................................................................... 1-32

1.14.2

CM7 Useful Codes and Passwords .................................................................. 1-35

1.14.3

CM7 Menu Summary Tree............................................................................... 1-36

1.14.4

CM7 Board Pin Positions and Harnesses ......................................................... 1-37

PROTECTOR

SERIES GAS FRYERS

Table of Contents

Troubleshooting

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Table Of Contents - Frymaster FOOTPRINT 8196345 Service & Parts Manual