![]() ![]() There are different types of DSI water heaters and one is the on-demand unit that has become popular over the past years due to its efficiency and economic savings. If the rest only works temporarily, you may have other malfunctioning parts that need repair or replacing. You should hear a clicking noise each time the DSI makes these attempts. In addition to this, you will have to wait till the DSI cycles through its 3 attempts to light the propane before resetting it. Your owner's manual should let you know where these buttons are and give you a diagram to help you find them. That button resets the electrical side of the operation. If you have a combination water heater, there will also be a reset button on the right side of the WH panel. That left reset button will reset the 12-volt electrical component and get it fired up again. That button may be to the left when you open the panel but it could also be in different positions depending on the model of your RV. For combination gas and electric water heaters, that reset button may be located out in the WH panel outside your RV. ![]() However, the trick is in finding the reset button. Most water heater systems come with a reset button and all you have to do is push it to get the water heater back online and working again. This is not really a hard task to perform. In contrast to the pilot light which will stay lit until you turn the gas supply off. Often, the DSI control will try 3 times to light the gas, and when it fails all three times it locks out the gas supply.Īlso, the DSI control board will turn off the ignition once the set temperature has been reached. The DSI system removes that danger as it shuts off the gas flow when certain issues are detected like the gas failed to light. If the pilot light did not stay lit then you could be pumping propane into your RV setting yourself up for possible problems. In the old days, to get hot water, you had to exit your RV and go around to where the ignition was and manually light the pilot light. This system is produced by both Atwood and Suburban and is said to be one of the safer systems you can use in an RV. What this device does is automatically light the gas once the power switch has been turned on. Direct spark ignition are the three words that go with the three letters- DSI. ![]()
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