Henny Penny 500 Service Manual page 22

Problem
Heating of shorten-
ing too slow.
Shortening
overheating.
Foaming or boiling
over of shortening.
8
Cause
Faulty main switch.
No power.
Faulty contactor.
High limit control switch
open.
Faulty thermostat.
Faulty high limit control
switch.
Low or improper voltage.
Weak or burnt out element
(s).
Points in contactor bad.
Wire(s) loose.
Burnt or charred wire
connection.
Check thermostat.
Check faulty contactor per
2.13 Heating Contactors ,
page 32.
S S h h o o r r t t e e n n i i n n g g F F o o a a m m i i n n g g / / D D r r a a i i n n i i n n g g
Water in shortening.
Correction
Check main switch per 2.14 Electri-
cal Components , page 37.
Check cord and plug and power at
wall receptacle per 2.14 Electrical
Components , page 37.
Check contactor per 2.13 Heating
Contactors , page 32.
Press red high limit reset per
High Temperature Limit Control ,
page 25.
Check thermostat per 2.10 Thermo-
stat Replacement , page 22.
Check high limit control switch per
2.11 High Temperature Limit Control ,
page 25.
Use a meter and check the recep-
tacle against data plate.
Check heating element(s) per
Heating Elements , page 28.
2.13 Heating
Check contactor per
Contactors , page 32.
Tighten.
Replace wire and clean connectors.
Check faulty thermostat per
Thermostat Replacement , page
Check contactor for not opening.
At end of cook cycle, drain shorten-
ing and clean vat (frypot), add fresh
2.11
2.12
2.10
22.