Frymaster 45 Series - Manual (Page 38)

1-32
1.10.3 Troubleshooting the Gas Valve
Verify that gasmain
street valve is open and
fryer gasline cutoff valve
is open.
Verify gas valve is
in ON position.
Is 24VAC
present at the gas
valve?
Problem is in the 24VAC
circuit. See Troubleshooting
the 24VAC Circuit on Pages
1-29 and 1-30.
No
For which gas is
the fryer
configured?
Natural Propane
Is incoming
gas pressure 6-14"
WC (1.49-3.49
kPa)?
Is incoming
gas pressure 11-14"
WC (2.74-3.49
kPa)?
Problem is with
fryer gas supply.
No No
Place the ON/OFF
or POWER switch
in the ON position
and light the pilot.
Yes Yes
Does the pilot
remain lit?
Is output from
the thermopile approximately
400 millivolts?
Is continuity
of the high-limit switch
zero?
Problem is a
failed gas valve.
Probable cause is a
failed thermopile.
Probable cause
is a failed high-limit
switch.
No
Yes
No
No Yes
Yes