Then, finally, you can use a DMM to test your converter at the DC distribution panel. Next, test AC power at the voltage box with your DMM to ensure it is delivering power properly, and that’s not the issue. If the battery maintains a consistent charge between 12.3 and 12.9 volts, it is working properly. To do this, you should:ĭisconnect from all power sources and turn off the inverter, engine, generator.Ĭonnect a DMM (Digital Multimeter) to each battery and test them. If you have some of the issues listed above, or if you just want to check that your RV converter is in working order, there are a few steps you’ll want to take.įirst, you’ll want to test your DC batteries. Second, if you see abnormal flickering or dimming of lights on the dashboard or around the RV, it could be caused by converter problems.Īnd, finally, if your RVs onboard batteries can’t hold a charge, the culprit is either the battery or the converter most of the time. First, if the cooling fan, internal vents, or interior lights aren’t working properly, there may be an issue. There are definitely common warning signs that indicate you may have either a battery or an RV converter problem. How do you know if your RV converter is bad? Are there warning signs? How do you know if your RV converter is bad? So, don’t forget to test your converter often. It’s important to properly maintain your RV converter because if it isn’t working, there can be all sorts of electrical problems. RV converters turn 120-volt AC power into 12-volt DC power. RVs need to convert that power into 12-volt direct current, or DC power, to make use of it. When you plug your RV into a 30 or 50 amp RV power outlet box, you receive 120-volt AC or alternating current power. If you’re wondering, ‘how do I know if my RV converter is bad?’ Follow along, and we’ll walk you through RV converter basics, testing, and troubleshooting to get you back to your RV fun as soon as possible. That’s why we put together this article on RV converters. RV battery systems aren’t always the easiest to fix. Some units can be upgraded with a smart controller or charge wizard while others may require the replacement of converter charger itself to maintain good battery health.Photo Credit: Instagram User you been experiencing electrical issues in your RV?Īre you worried your RV converter isn’t charging your battery? It is important to note that some lower end converter chargers can overcharge your batteries if the RV is plugged into a power source for an extended period of time. During this time the charger is keeping your batteries fully charged. At this point it is passed through a diode rectified circuit a second time converting the AC to 13.6 Volts DC and finally smoothed out a capacitor.Ī converter/charger allows you to use all of your 12 volt DC accessories while plugged into a campgrounds power post without discharging your batteries. This high frequency AC voltage is now fed to a step-down transformer where the voltage is reduced to approximately 13.6 volts AC. This 120 volt DC voltage is then fed to an Switching Circuit that converts it to back to AC voltage and increases the frequency from the original 60 Hz to 3,500 HZ.
A capacitor then filters the ripple voltage smoothing it out. The way the converter/chargers works is by first converting the 120 volts AC from the power source to 120 volts DC after passing through a Diode Rectified circuit. When you are not plugged into a power source your RV battery(s) supply the power to all of the 12 volt components in the RV. While plugged in the charger portion of the converter charges the RV's batteries. This allows the unit to power all of the 12 volt components such as lighting, furnace, water pump, powered vents and the like in the RV. When your RV is plugged into an power source or your using the onboard generator, the converter is designed to reduce the incoming 120 volts AC power down to 12 volt DC. What is an RV Converter/Charger and why do you need one.
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