Henny Penny 500 Service Manual page 80

I
I
EC
Shortening
overheating
(Electric Model)
Shortening will not
heat (Gas Model)
A. Pilot will not
light
B. Pilot will not
stay lit
C. Burner will not
light, pilot lit
(Gas odel)
HEATING OF SHORTENING SECTION
Check thermostat.
Check contactor for not
opening.
0 Pilot not lit.
0 Plugged pilot orifice, and/or
pilot supply tube.
0 Gas supply off.
@ Faulty gas control valve.
Air in gas supply line.
Faulty thermocouple.
Pilot magnetic plug.
Drain valve open.
High limit control switch
open.
Faulty high limit control
switch.
Possible faulty gas control
valve.
0 Calibrate thermostat per
paragraph 5-7.
e Check faulty thermostat per
paragraph 5-10.
@ Check faulty contactor per
paragraph 5-15.
@ Light pilot per paragraph 2-11.
0 Unplug pilot orifice and/or pilot
supply tube.
@ Turn ON gas supply.
* Replace gas control valve.
0 Bleed air from supply line.
0 Replace thermocouple per
paragraph 5-17.
Service per paragraph 5-18.
Close drain valve.
Press red high limit reset
button per paragraph 5-12.
With power removed from
fryer, check across high limit
switch terminals with ohmmeter.
Replace if no reading is
indicated on meter.
With power removed from fryer,
check across electrical leads of
gas control valve with
and gas valve in ON
hm reading should be
350 ohms resistance. Replace the
control valve if not within 10%.