Chapter 1 Troubleshooting - Henny Penny 500 Service Manual

List of Tables
Table 1-1 Troubleshooting..................................................................................................1
Table 2-1 Preventative Maintenance Schedule ..................................................................13
Table 2-2 Heating Element Ohm Checkout ........................................................................29
Table 2-3 Continuity Check Procedure - Off Position ..........................................................39
Table 2-4 Continuity Check Procedure - Power Position .....................................................39
Table 2-5 Continuity Check Procedure - Pump Position ......................................................39
Table 2-6 Checking Procedure - ON/OFF Switch ...............................................................41
Table 2-7 Checking Procedure - Buzzer Coil......................................................................42
Table 2-8 Checking Procedure - Microswitch .....................................................................42
Table 2-9 Checking Procedure - Motor ..............................................................................42
Table 2-10 Checking Procedure - Reset Coil......................................................................42
Table 2-11 Coil Check Procedure......................................................................................45
Table 3-1 KFC SMS-20 Controls & Spare Parts .................................................................85
Table 3-2 FASTron Control Panel (Asian Market Only)........................................................93
Table 3-3 Filter Screen Kits ............................................................................................ 145
Table 5-1 Pressure Assist Replacement Parts ................................................................. 161
Table 5-2 Pressure Assist Replacement Parts ................................................................. 163
Table 6-1 Programming.................................................................................................. 165
List of Figures
Figure 2-1 Thermostat Test Points ....................................................................................22
Figure 2-2 Thermostat Sensing Bulb - Electric ...................................................................22
Figure 2-3 Thermostat & Control Panel Diagram ................................................................23
Figure 2-4 Screw Nut Assembly........................................................................................24
Figure 2-5 High Limit Reset Button - Electric......................................................................25
Figure 2-6 High Limit Capillary Tube - Electric....................................................................27
Figure 2-7 Heating Element Assembly ..............................................................................30
Figure 2-8 Heating Element Spreaders .............................................................................31
Figure 2-9 Primary Contactor Test Points ..........................................................................33
Figure 2-10 Heat Contactor Test Points .............................................................................34
Figure 2-11 Circuit Breaker...............................................................................................34
Figure 2-12 Drain Switch Assembly ..................................................................................38
Figure 2-13 Continuity Check Test Points ..........................................................................39
Figure 2-14 Solenoid Valve Assembly ...............................................................................45
Figure 2-15 Exhaust Fitting ..............................................................................................48
Figure 2-16 Conduit Fitting ...............................................................................................49
Figure 2-17 Solenoid Valve Diagram .................................................................................49
Figure 2-18 Latch Spring Assembly ..................................................................................57
Figure 2-19 Lid Cover Screws ..........................................................................................60
Figure 3-1 Computron C1000 Control (General Market)......................................................81
Figure 3-2 Computron C2000 Control (Wendy's Only) ........................................................83
vi