What does the thermal cut off on a Dometic water heater do?
Description Dometic (Atwood) 93866 Water Heater Thermal Energy Cut Off (ECO) The Thermal Cut-Off is a one shot heat sensing fuse that’s normally closed and sends power to the thermostat. When tripped by excessive heat (190°F), it cuts power to the circuit board and shuts down ignition.
Why does my RV water heater not ignite?
If you are using the electric element most of the time, you may not notice a decrease in efficiency until at some point you don’t have electric available, and you find the heater won’t ignite. The following method will work well on most six and twelve gallon Atwood and Suburban RV water heaters.
How to troubleshoot and repair a suburban water heater?
Water Heater Troubleshooting & Repair (Suburban) This guide is based on the Suburban Water Heater commonly found in most Heartland RVs. Troubleshooting Electric Mode Electric Switches Main 110V Power Switch The main 110V switch is operated just like a light switch and most will illuminate when power flows through the switch.
Why is my Atwood water heater not working?
Hard water can create calcium and mineral deposits that sit on the bottom of the tank. This can cause the water heater to fail before its time! The next step is to drain the water heater by removing the drain plug. Atwood water heaters have just a drain plug while the Suburban water heater’s drain plug is actually an anode rod.
How to troubleshoot a suburban RV water heater?
The Suburban water heater is a 12 gallon unit that runs on either propane or electric. When conducting your RV water heater troubleshooting steps for this unit you will want to locate the control panel. Look for the DCI lights on the panel and if they are lit you will need to go outside and push the reset buttons on…
Why is there no flame on my RV water heater?
If the unit clicks but there is no flame, it might mean there is a clog or blockage in the system. When RV water heater troubleshooting, check to verify the area near the water heater is cleaned out and free of debris. The final thing to look at is the flame.
How do you turn on a 110V water heater?
The secondary 110V switch is a rocker-type that can be pinned in the OFF position with a small cotter pin. On a new trailer, to turn it on the first time, you have to remove the cotter pin and rock the switch to the ON position. You can leave the switch ON permanently.
What to do if your water heater wont turn on?
Open the pressure release valve on your water heater. Turn the bypass valve inside to allow water to flow back into the tank. Let water fill the tank until until it comes out the release valve. Shut the pressure release valve. Turn on electrical power to the water heater]
