Frymaster 45 Series - Manual (Page 35)

1-29
1.10.1 Troubleshooting the 24VAC Circuit in Units without Interface Boards
Yes
Is 24VAC
present at the gas
valve?
Is 24VAC
present at the ON/OFF
switch?
No
Verify that the
ON/OFF switch
is in the ON
positon.
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)?
Probable cause
is a failed 24-volt
transformer.
No
Probable cause
is a failed ON/OFF
switch.
No
Probable cause is a
failed thermostat.
No
Problem is with the gas valve.
Refer to Troubleshooting the Gas
Valve on Page 1-33.
Yes
Yes