Henny Penny 600 Service Manual page 22

Problem
Heating of shorten-
ing too slow.
Shortening
overheating.
Pilot will not light.
Pilot will not stay lit.
8
Cause
Faulty main switch.
No power.
High limit control switch
open.
Faulty thermostat.
Faulty high limit control
switch.
Low or improper voltage.
Wire(s) loose.
Burnt or charred wire
connection.
Check thermostat.
Pilot not lit.
Plugged pilot orifice, and/or
pilot supply tube.
Gas supply off.
Faulty gas control valve.
Air in gas supply line.
Faulty thermocouple.
Pilot magnetic plug.
Correction
Check main switch per 2.15 Electri-
cal Components , page 37.
Check cord and plug and power at
wall receptacle per 2.15 Electrical
Components , page 37.
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.
Tighten.
Replace wire and clean connectors.
Check faulty thermostat per
Thermostat Replacement , page
Light pilot per Section 2-10 Gas Pilot
Lightning & Burner Lighting and
Shutdown Procedure of Operator's
manual.
Unplug pilot orifice and/or pilot sup-
ply tube.
Turn ON gas supply.
Replace gas control valve.
Bleed air from supply line.
Replace thermocouple per
Thermocouple , page 31.
Replace gas control valve per
Gas Control Valve , page 33.
2.11
2.10
22.
2.13
2.14