Henny Penny 500, Technical Manual

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Model 500/561/600
PROBLEM CAUSE CORRECTION
PRESSURE SECTION
Pressure will not
exhaust at end of
cook cycle
• Exhaust line from solenoid
valve to expansion tank clogged • Release pressure from frypot;
clean all pressure lines,
exhaust stacks, and expansion
tank on gas model
• Solenoid valve clogged • Check and clean solenoid valve per
Pressure Regulation/Exhaust section
Operating pressure
too high • Deadweight clogged • Place proper quantity of moist
product within frypot to generate steam
• Exhaust line to stack clogged • Clean exhaust line to stack
Pressure does not
build • Not enough product in fryer or
product not moist • Place proper quantity of moist
product into frypot to generate steam
• Metal shipping spacer not
removed from deadweight
• Remove shipping spacer per
Operator’s Manual
• Lid open or not latched • Close and latch lid
• Solenoid valve leaking or not
closing. • Check or clean solenoid valve per
Pressure Regulation/Exhaust section
• Deadweight valve leaking • Repair per Pressure Regulation/Exhaust
section
• Main timer not closing solenoid • Check main timer per Timing Control
section
• Lid gasket leaking • Adjust lid limit stop; if this does not cor-
rect the problem, reverse the lid gasket;
if this fails to correct the problem,
replace the lid gasket
• Safety relief valve leaking
1-8 103
1-3. TROUBLESHOOTING (Continued)
• Check and replace, if necessary, per
Pressure Regulation/Exhaust section