Troubleshooting The Gas Valve - Frymaster Gas Rethermalizers FBKR18 Series Installation & Operation Manual

6.8.1 Troubleshooting the Gas Valve

Natural
Is incoming
gas pressure 6-14"
W.C. (1.49-3.49
kPa)?
Yes
Is burner manifold
gas pressure 3.5" W.C.
(0.8 kPa)?
Yes
Is gas valve vent
tube obstructed?
No
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?
Yes
What gas is the unit
configured for?
Problem is with gas
No
supply to fryer.
Adjust pressure to
specification. If gas valve
No
will not adjust, replace
valve.
Yes Clear obstruction.
Problem is not
with gas valve.
6-13
Problem is with
the 24VAC circuit. Refer to
No
Troubleshooting the
24VAC Circuit.
LP
(Propane)
Is incoming
gas pressure 11-14"
No
W.C. (2.74-3.49
kPa)?
Yes
Is burner manifold
No
gas pressure 8.25" W.C.
(2.5 kPa)?
Yes
Is gas valve vent
Yes
tube obstructed?
No