Troubleshooting The 24Vac Circuit In Units Without Interface Boards - Frymaster 45 Series Service And Parts Manual

1.10.1 Troubleshooting the 24VAC Circuit in Units without Interface Boards

Verify that the
ON/OFF switch
is in the ON
positon.
Is 24VAC
present at the gas
valve?
Yes
Problem is with the gas valve.
Refer to Troubleshooting the Gas
Valve on Page 1-33.
Is 24VAC
No present at the ON/OFF
switch?
Yes
Is the continuity
of the ON/OFF switch OK
(zero resistance in the ON
position)?
Yes
Verify that the temperature
of the cooking oil/
shortening is at least 15
degrees below the
thermostat setting.
Is continuity of
the thermostat OK (zero
resistance)?
Yes
1-30
Probable cause
No is a failed 24-volt
transformer.
Probable cause
No is a failed ON/OFF
switch.
Probable cause is a
No
failed thermostat.