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6.8.1 Troubleshooting the Gas Valve
MAIN GAS SUPPLY
VALVE VERIFIED TO BE
OPEN AND EQUIPMENT
GAS VALVE IN ON
POSITION.
Is 24VAC
present on the main
coil (PV terminal) of
the gas valve?
Problem is with
the 24VAC circuit. Refer to
Troubleshooting the
24VAC Circuit.
What gas is the unit
configured for?
LP
(Propane)
Natural
Is incoming
gas pressure 6-14"
W.C. (1.49-3.49
kPa)?
Is incoming
gas pressure 11-14"
W.C. (2.74-3.49
kPa)?
Problem is with gas
supply to fryer.
Is burner manifold
gas pressure 3.5" W.C.
(0.8 kPa)?
Is burner manifold
gas pressure 8.25" W.C.
(2.5 kPa)?
Adjust pressure to
specification. If gas valve
will not adjust, replace
valve.
Is gas valve vent
tube obstructed?
Is gas valve vent
tube obstructed?
Clear obstruction.
Problem is not
with gas valve.
No
Yes
No No
No No
Yes Yes
No No
Yes Yes
Yes Yes