Some well-trained RV service facilities may offer internal converter repairs as a service, but most are probably not fully equipped to handle all possible scenarios.
Due to the level of sophistication in today’s power converters, if a problem proves to be interior to the converter, it is recommended that the converter be shipped off for repair. Should you need to call a service facility or seek advice, having the above voltage information handy will provide a starting point to begin troubleshooting. * The output voltage with the battery connected And finally, accurately measure and record the following voltages: Thirdly, consider the components in the sequence. Next, look at the problem area in specifics. Follow a systematic approach by first considering the DC system in general. Take notes as you go through the process of checking. (5) Analyze the symptoms closely and carefully. It is a common occurrence because of the jostling most motorhomes endure during their lifetimes. Many electrical problems are traced to loose wires and connections. (4) Make sure all electrical connections are clean, dry and tight. Because of their close association, many times the converter is blamed for battery or other DC system-caused problems. (3) Eliminate the battery as the culprit. Some components may be damaged if the battery is miswired.
Likewise, check the polarity of the DC conductors from the battery.
If it is not correct, move to a new site or simply do not plug in the shoreline. Always check the polarity and test the GFCI each time you enter a new campground. Reversed polarity or an open hot or neutral wire somewhere in the 120-volt supply system can indeed be harmful to the converter. High and low voltage can have a damaging effect, not only on the converter, but other AC components as well. Be sure the incoming voltage falls between 103 volts AC and 130 volts AC. (1) Verify the proper incoming AC voltage. Thomas, when troubleshooting any typical RV power converter, here are five basic preliminary steps to first take into consideration:
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