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You didn't indicate what model heater you have, but here are some of the fault codes you might see. Could it have been GVO? You can download a manual for your exact model at www.raypak.com BD1 Board failure EEP Microprocessor error FAN Blower pressure failure FFL Flame sensing when pilot and gas valves are closed GVC Gas valve closed GVO Gas valve open HL1 High limit switch #1 open HL2 High limit switch #2 open IGN Ignition failure ILO Ignition lockout - Propane units only PRS Water pressure switch open ROL Heat roll-out safety switch open SNS Sensor failure, Water temp. below 36°F or above 110°F VNT Vent switch open
Found out the information thru this page. Its a diagram of the 15 pin VGA Pinout and where the pins are supposed to go and what there fuctions are, hope this helps. Page is courtesy of pinouts.ru
i think your motherboard is ECS, you can go to the ECS website, the after that you just click the motherboard, then you just type the model of your motherboard, if you can see now the model, just click the driver, then chose the US then you can download now your motherboard driver
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