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6.8.1 Troubleshooting the Gas Valve
NOTE: All voltage measurements
must be made within 4 seconds of
unit calling for heat. If unit does
not fire within 4 seconds, ignition
modules will lock out and
controller must be turned off then
back on to reset.
MAIN GAS SUPPLY
VALVE VERIFIED TO BE
OPEN AND EQUIPMENT GAS
VALVE IN ON POSITION.
Is there 24VAC
on gas valve main coil (PV
terminal)?
What gas is the
unit configured for?
Natual Gas
Is incoming
gas pressure 6-14"
W.C. (1.49-3.49
kPa)?
Is burner manifold
gas pressure 3.5" W.C.
(0.8 kPa)?
Is gas valve vent tube
obstructed?
Clear obstruction.
Problem is not with
gas valve.
Adjust pressure to
specification. If gas valve
will not adjust, replace gas
valve.
Problem is with gas
supply to fryer.
LP (Propane)
Gas
Is incoming
gas pressure 11-14"
W.C. (2.74-3.49
kPa)?
Is burner manifold
gas pressure 8.25" W.C.
(2.5 kPa)?
Is gas Valve vent tube
obstructed?
Problem is with
24VAC circuit. Refer to
Troubleshooting the
24VAC Circuit.
Yes
No
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No
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No
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No
No
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No
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No