How to troubleshoot and fix RV water heater electrical problem?

This Suburban water heater repair manual is very helpful for troubleshooting the electrical power circuit to diagnose potential problems. Follow the steps it contains for tracing power through the system to locate any short or break that may be causing the element to not heat up. NOTE: Do not “dry fire” the electric water heater element.

What happens if my combo water heater fails?

Electric Cut-Off (ECO) that is a fail safe mechanism for this system. If the thermostat fails to open the circuit and the water continues to heat up past 180 F, the ECO switch will be engaged and open the circuit and interrupts power to the system.

How does a suburban combo water heater work?

Of course, as part of troubleshooting, we took to learning a bit more about how these components work. Electric Heating Mode – Suburban Combo Water Heater (SW6DE) The electric heating mode on this water heater works off the 110V electric system, i.e. it is powered when the RV is plugged in.

Why is my electric water heater not working?

The most obvious reason an electric heater doesn’t work is that it’s not receiving any power. Start by checking the circuit breaker to see if it has been tripped. If it has, it’s an easy fix – simply turn it off and turn it back on again. You may also have to replace the fuse if it has blown. The next step is to check the high-temperature cut-off.

Can a electric water heater be used in an RV?

Electric: As noted above, RV water heaters can also be equipped with a submerged electric element that can be used to heat the water within the tank. RV Water Heater Troubleshooting Before you can attempt to fix your RV water heater, you need to determine why it is not operating as designed.