Skip to content

How to Fix RV Converter: A Comprehensive Guide

Are you experiencing issues with your RV converter?

Don’t worry, we’ve got you covered!

In this comprehensive guide, we will walk you through the steps to fix your RV converter and get your recreational vehicle up and running smoothly again.

Whether you’re a seasoned RV enthusiast or a beginner, this article will provide you with all the information you need to tackle common converter problems.

So, let’s dive in and learn how to fix your RV converter!

Understanding the RV Converter

Before we dive into the troubleshooting process, let’s first understand what an RV converter is and how it works.

The RV converter is an essential component of your RV’s electrical system.

Its primary function is to convert 120-volt alternating current (AC) power from a campground or generator into 12-volt direct current (DC) power that your RV’s appliances and systems can use.

The converter is responsible for charging your RV’s batteries, powering your lights, operating appliances, and ensuring all your electrical devices function properly while you’re on the road or parked at a campground.

When the converter malfunctions, it can lead to a variety of electrical issues in your RV.

Signs of a Malfunctioning RV Converter

Before we jump into the troubleshooting process, it’s essential to identify the signs of a malfunctioning RV converter.

Here are a few common signs that indicate your RV converter may need attention:

  1. Dimming Lights: If you notice your RV’s lights flickering or becoming dimmer than usual, it could be a sign of a converter problem. Dimming lights indicate a fluctuation in the power supply.
  2. Battery Issues: A malfunctioning converter may fail to charge your RV’s batteries properly. If you’re experiencing rapid battery drain or if your batteries aren’t holding a charge, the converter could be the culprit.
  3. Overheating: An overheating converter is a clear indication of an underlying issue. If you notice the converter getting excessively hot, it’s important to address the problem promptly to prevent further damage.
  4. Frequent Tripping of Circuit Breakers: A faulty converter can overload the electrical system, leading to frequent tripping of circuit breakers. If you find yourself constantly resetting circuit breakers, it’s time to inspect the converter.
  5. Electrical Device Malfunction: When the converter isn’t functioning correctly, you may notice your appliances or electronic devices behaving erratically or not working at all.

Troubleshooting Steps: How to Fix RV Converter

Now that we’ve identified some common signs of a malfunctioning RV converter, let’s explore the troubleshooting steps to fix the issue.

By following these steps, you can potentially resolve the problem on your own and save yourself a trip to the RV repair shop.

Step 1: Check the Power Source

The first step is to ensure that the power source supplying electricity to your RV is functioning correctly.

Here’s what you need to do:

  1. Inspect the Campground Power: If you’re connected to a campground power source, make sure the campground’s power supply is stable and providing the correct voltage. Faulty campground wiring or an unstable power supply can cause issues with your RV’s converter.
  2. Verify Generator Operation: If you’re using a generator, check if it’s running correctly. Ensure the generator is supplying the required voltage and amperage to your RV.
  3. Test Other Appliances: Test other appliances in your RV to see if they are receiving adequate power. If all other appliances are functioning properly, the issue may lie within the converter itself.

Step 2: Inspect the Converter Connections

The next step is to inspect the connections between the converter, batteries, and electrical system.

Loose or corroded connections can lead to a variety of electrical issues.

Follow these steps to inspect the connections:

  1. Turn off the Power: Before inspecting any connections, make sure to turn off the power to your RV to avoid any electrical mishaps.
  2. Check Battery Connections: Examine the connections between your RV’s batteries and the converter. Ensure that the battery terminals are clean, tight, and free from corrosion.
  3. Inspect Converter Wiring: Carefully examine the wiring connections on the converter itself. Look for loose or damaged wires, and if you spot any issues, repair or replace them as needed.

Step 3: Test the Converter Output

To determine if the converter is functioning properly, you need to test its output voltage.

Here’s how you can do it:

  1. Use a Multimeter: Obtain a multimeter, set it to measure DC voltage, and connect it to the output terminals of the converter.
  2. Check Voltage Reading: With the power restored to your RV, check the voltage reading on the multimeter. The converter should be supplying around 12 to 14 volts. If the reading is significantly lower or higher, it may indicate a problem with the converter.
  3. Compare with Battery Voltage: Compare the converter’s voltage reading with the voltage of your RV’s batteries. If the converter output is much higher than the battery voltage, it could be overcharging the batteries, and if it’s lower, it may not be charging them properly.

Step 4: Reset or Replace the Converter

If you’ve followed the previous steps and identified a faulty converter, it’s time to reset or replace it.

Here are the options:

  1. Reset the Converter: Some converters have a reset button or switch that you can use to restart the unit. Refer to your converter’s manual to locate the reset feature and follow the instructions to reset it.
  2. Replace the Converter: If resetting the converter doesn’t solve the issue, you may need to replace it. Consult your RV’s manufacturer or contact a professional RV repair technician for guidance on selecting and installing a suitable replacement converter.

FAQs (Frequently Asked Questions)

How much does it cost to fix an RV converter?

The cost of fixing an RV converter can vary depending on the extent of the issue and whether you choose to repair it yourself or seek professional help. Generally, DIY repairs can cost anywhere from $50 to $200, while professional repairs may range from $200 to $500 or more.

Can I fix an RV converter myself, or should I seek professional help?

If you have experience working with electrical systems and feel confident in your abilities, you can attempt to fix the RV converter yourself. However, if you’re uncertain or uncomfortable with electrical work, it’s best to seek the assistance of a professional RV technician to avoid further damage or safety hazards.

How often should I check my RV converter for issues?

It’s a good practice to inspect your RV converter regularly, especially before embarking on a trip. Additionally, if you notice any signs of converter problems, it’s essential to address them promptly to prevent further damage to your RV’s electrical system.

Are there any preventive measures I can take to avoid converter issues?

Yes, there are a few preventive measures you can take to avoid RV converter issues. These include keeping the converter and battery connections clean and secure, using surge protectors to safeguard against electrical surges, and monitoring the converter’s temperature to prevent overheating.

Can a bad converter damage my RV’s batteries?

Yes, a malfunctioning converter can potentially damage your RV’s batteries. If the converter is overcharging or undercharging the batteries, it can lead to decreased battery lifespan and performance. It’s important to address converter issues promptly to avoid any detrimental effects on your batteries.

Is it possible to upgrade my RV converter to a more efficient model?

Yes, it is possible to upgrade your RV converter to a more efficient and advanced model. If you’re considering an upgrade, consult with an RV technician or do thorough research to find a converter that meets your specific needs and offers improved features and capabilities.


Fixing an RV converter doesn’t have to be a daunting task.

By following the troubleshooting steps outlined in this guide, you can diagnose and resolve common converter issues on your own.

Remember to always prioritize safety and consult a professional if you’re unsure or uncomfortable with any aspect of the repair process.

Now that you’re equipped with the knowledge to fix your RV converter, get ready to hit the road with confidence and enjoy your RVing adventures!