It is a small switch, often near the door on the inside. Most RVs have a master switch for disconnecting your RV's power during storage. Your on-board or portable generator can also be the cause of problems it may stop running if your vehicle's gas tank is less than 1/4 full. The converter itself has a fuse or two, often on the front. Check whether the connections to the converter are loose.A multimeter (see below) should show the voltage between the battery terminals between 13.4 and 14.5 volts DC if not, the battery may be worn out and need replacement, or it may be low on water, or the converter may not be giving it any power. Check whether the batteries are charged enough.When your battery is overworked or overheated the water tends to evaporate. This is the most common easy-to-fix problem. Check whether the batteries have enough water.Check whether the connections to the DC batteries are loose (see initial photo).Check whether the connections to the fuse or breaker box are loose.Check whether the fuse or breaker is tripped or not.
You can so some simple investigation of the 12-volt system yourself, for example: Problems in the DC system can also cause lights or appliances to go on and off. The refrigerator and air conditioner, even running in propane-fueled mode or on AC power, require DC voltage for their logic circuits, and so may fail to operate when there is a DC system problem.
A 12-volt problem can cause failure of other appliances and systems if they have 12-volt power to their controls. Troubleshooting 12-Volt System ProblemsĪ bad connection in the 12-volt system can cause failures of various appliances, including slides and lights which run on 12-volt power.
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