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Raypak 2100 265A displays GVO. I know it means Gas Valve Open, but I do not know what is wrong. It is a IID Electronic Pilot. I see a slight flame when the igniter lights and then the system goes into GVO mode.

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  • 3 more comments 
  • Joey Ourso Mar 21, 2011

    Could it possibly be that the pilot orfice is clogged?

  • Joey Ourso Mar 21, 2011

    I replaced the board a few months ago with a new one, and it started working fine when I replaced the board.The new board does not hook up to the old ignitor module. The ignitor module is actually on the new board. Please go to here to see the new board I am referring too:http://www.raypak.com/jumpPool.cfm?targe... I went a few months without firing it up and then it said GVO. Does that mean the Gas Valve can not open or does it mean the Gas Valve is open? I'm not sure what the error specfically makes reference too. There is a GVC (Gas Valve Close) in the manual too. When I go through the phase this is what I observe: I see a flame when the ignitor strikes and it immediatly goes into GVO after the flame subsides. I can pretty much gurantee it is not the board.

  • duff_daddy
    duff_daddy Jun 02, 2012

    Joey,
    Did you ever find a solution? I have the exact same problem. I replaced the board last year and everything worked great. This year it started up fine when we opened the pool but just recently got the GVO error. I followed the steps below and decided to replace the gas valve. I still get the GVO error. I have read on other posts to measure voltage of the PV and MV can anyone here shed some more light on the procedure? I'd hate to have to replace the board again, it seems to be doing its job but until I measure the voltage I cannot be sure.

    Thanks

  • duff_daddy
    duff_daddy Jun 02, 2012

    Joey,
    Did you ever find a solution? I have the exact same problem. I replaced the board last year and everything worked great. This year it started up fine when we opened the pool but just recently got the GVO error. I followed the steps below and decided to replace the gas valve. I still get the GVO error. I have read on other posts to measure voltage of the PV and MV can anyone here shed some more light on the procedure? I'd hate to have to replace the board again, it seems to be doing its job but until I measure the voltage I cannot be sure.

    Thanks

  • Joey Ourso Jun 13, 2012

    Duff,

    I had to email Raypak directly and he gave me some suggestions, which did not work. Raypak then told me to call a dealer in Texas to get him to help troubleshoot the problem (it all goes back on testing the gas valve voltage). The Texas dealer was not able to help me, so he told me to contact Raypak directly and was eventually helped by one of the technicians. The technician eventually told me the circuit board had to be replaced (which I had previously replaced). It happened to be the new board that I had gotten was a bad board (who would have thought?). I replaced it with the board that Raypak sent me (which was a newer type). That fixed my problem and the heater has been working flawlessly for a while now.

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Here is the directions from raypak on this code.

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.

Its not a good code to get. Hope this helps

Posted on Mar 21, 2011

  • 3 more comments 
  • Joey Ourso Mar 21, 2011

    If I disconnect the ignition wire, how will the ignitor be able to spark? I only have one wire going to the ignitor on the pilot. Could it possibly be a clogged orifice on the gas line for the pilot light?

  • adam hudson
    adam hudson Mar 21, 2011

    THe module refered to in this manual is the control/ignition module which on this model is the same part. It is in the place where you disconnect the igniter wire.

  • Joey Ourso Mar 21, 2011

    I replaced the board with a replacement. The new board does not hook up to the old ignitor module. The ignitor module is actually on the new board. Please go to here to see the new board I am referring too:http://www.raypak.com/jumpPool.cfm?targe...
    When it displays (CFH), call for heat, I noticed that the ignitor sparks and lights a flame that almost disappears within a few seconds. It looks like a cloud of a flame if you can gather what I'm talking about. After the flame dissapears it goes into GVO (Gas Valve Open) error. You can hear the gas valve opening and closing. Could it be some sort of sensor on the pilot? Also, does the error "GVO" mean the gas valve CAN NOT open, or does it mean it is open? I'm not sure exactly what the GVO means since there is another fault in the manual that says "GVC"., which means Gas Valve Closed. I might try step 5 that you mentioned above. Do you have any other suggestions?

  • Joey Ourso Mar 21, 2011
  • spudpeeler Nov 05, 2012

    I have this same problem:

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