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All appearances - No fuel to ignite!
evrything else looks good, proper gas pressure, proper volts at igniter, etc - it should ignite! If fuel present, heater should Fire!
make sure all valves are open.
Gas valve is ON
AND purge any air from gas line.
IMPORTANT ****. If you bled gas line, don't try to ignite for a few minutes. Allow gas to dissipate first, use a fan to help.
see if you have 24 volts to the brown and yellow wires on the gas valve if wires are loose it wont work either if no voltage to gas valve bad pcb board if voltage to the gas valve bad gas valve
1. Turn off power and disconnect ignition wire and gas valve wires from cpu board.
2. Turn on the power and watch for spark at module.
3. If no spark is observed, turn off power and replace the board.
4. If spark is observed, turn off power and reconnect gas valve and ignition wire.
5. Turn on power and unit should fire.
if unit does not fire and code reappears, turn off power and disconnect gas valve wires from the board and remove MV,PV and ground wires from the gas valve. Clean and reconnect wires.
7.Plug the gas valve back into the board and torn power on. Unit should fire.
8. If the unit fails to fire, Replace the gas valve.
Remember if you smell gas, turn unit manual gas valve off and open a near by window, wait until smell is gone then proceed with these directions,turn manual gas valve back on, turn thermostat down.1.) turn combination gas valve knob to the pilot position and press down knob, if unit has a striker button, push striker while holding down knob until pilot lights, keep knob held down in the pilot position for 20 seconds then let up on knob and turn to the on position, turn thermostat up, main burners should light.
the 15 yrs old unit is made from metal the gas line or the valve compare to the new is made from alluminium or bronce,i think the unit is have a rust b4 the water spilled accros the knob,u said after 3 days di not turn at all then after next day it turn it again,the posible coz is u force to turn it the valve that coz of damage it,gas valve is sensitive if u force to turn it coz is made of metal then the unit is almost 15 yrs old.for me dont try to repair it,coz the part is expensive or if there available in the market?compare to buy an new one.
gas valve could be clogged it has a screen in the side of the inlet, check this first if not it could be the gas valve itself,, make sure the gas valve is turned on also, sometimes people turn them off and for get the handle should be in line with the pipe not across the pipe
You have a gas valve on the unit and once your turn the burner knobs, it opens the valve. Your valve is bad. I have replaced the oven valve on my unit a few years ago. You have to do a voltage check to the valve to see if the valve is being told by the controls to come on. Once you have established that the valve is being called to come on, then you know for sure the valve is bad. Also there is a small gas regulator on the stove near the inlet to it that could be plugged up but I doubt it. Its probably the gas valve which is generally located under the top. Some units have one (like mine) under the oven behind the broiler drawer or pan drawer, depending on what model you have. I hope this doesn't sound crazy, but you did plug the unit in right? It might now be electronic ignition but I wanted to cover everything for you.
Either yourself or a Heating specialist will have to replace the gas valve.. Once installed you will plug unit back in which will reset power board and should work fine
1st. Are the humming evident when the flame ain't burning? Listen carefully. The control(knob) consists of a valve that regulate the supply of gas to the burner. Check each knob(valve) individually for noise. If noise is evident on the knob(valve) contact your dealer for service or replacement of valve.
2nd. Check the gas regulator. That will be the unit that is exiting the gas bottle. Noise might be evident from the regulator due to the gas being controlled. If excessive noise is evident. Service or replacement of the unit might be necessary.
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