Frymaster FBKR18 Series Benutzerhandbuch

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CHAPTER 5:  Operator Troubleshooting 
5.1 Introduction ....................................................................................................................... 5-1 
5.2 
Operator Troubleshooting Guides ..................................................................................... 5-2 
5.3 
Replacing the Computer or Computer Wiring Harness .................................................... 5-6 
 
CHAPTER 6:  Service Procedures 
6.1 Functional 
Description ...................................................................................................... 6-1 
 
The Electronic Ignition System......................................................................................... 6-1 
 Computers ......................................................................................................................... 6-2 
 Interface 
Board .................................................................................................................. 6-2 
 Temperature 
Probe ............................................................................................................ 6-3 
 
Water Level Sensors.......................................................................................................... 6-3 
6.2 
Accessing the Rethermalizer for Servicing ....................................................................... 6-3 
6.3 
Cleaning the Gas Valve Vent Tube................................................................................... 6-6 
6.4 
Checking the Burner Manifold Gas Pressure .................................................................... 6-4 
6.5 
Measuring Flame Current.................................................................................................. 6-4 
6.6 Replacing 
Components...................................................................................................... 6-4 
6.6.1  Replacing the Computer or Computer Wiring Harness .................................................... 6-4 
6.6.2  Replacing the Temperature Probe ..................................................................................... 6-4 
6.6.3  Replacing the Interface Board........................................................................................... 6-5 
6.6.4  Replacing an Ignition Module........................................................................................... 6-5 
6.6.5  Replacing an Ignitor Assembly ......................................................................................... 6-6 
6.6.6 Replacing the Combustion Air Blower ............................................................................. 6-6 
6.6.7  Replacing the Gas Valve ................................................................................................... 6-6 
6.6.8  Replacing a Burner Assembly........................................................................................... 6-7 
6.6.9 Replacing the Cookpot ...................................................................................................... 6-7 
6.7 
Troubleshooting and Problem Isolation ............................................................................ 6-8 
6.7.1 Ignition Failures ................................................................................................................ 6-9 
6.7.2  Improper Burner Functioning............................................................................................ 6-9 
6.7.3  Improper Temperature Control ....................................................................................... 6-11 
6.7.4 Computer-Related Problems ........................................................................................... 6-12 
6.8 Troubleshooting 
Guides .................................................................................................. 6-12 
6.8.1  Troubleshooting the Gas Valve....................................................................................... 6-13 
6.8.2  Troubleshooting the 24 VAC Circuit .............................................................................. 6-14 
6.8.3  Troubleshooting the Temperature Probe......................................................................... 6-16 
 
Probe Resistance Chart.................................................................................................... 6-17 
6.9 
Simplified Wiring Diagrams ........................................................................................... 6-18 
 
CHAPTER 7:  Parts List 
7.1 Burner 
System 
Components.............................................................................................. 7-1 
7.2 Cabinetry 
and 
Associated Components............................................................................. 7-2 
7.3 
Computer, Component Box Assembly, and Associated Parts .......................................... 7-3 
7.4 
Cookpot and Associated Parts........................................................................................... 7-4 
7.5 
Gas Supply Components ................................................................................................... 7-5 
7.6 Plumbing 
Components ...................................................................................................... 7-6