Testing a power center

Question

So on our last camping adventure we noticed that the furnace would not run. We were plugged into shore power. We survived but a couple of days later we tried to start the air conditioner and it would not start. The fan would, just not the compressor. We checked fuses, breakers & wires. Everything was good. I did notice that the fan on the power center/converter was trying to start to spin but couldn't without a push from me. One of my neighbor campers suggested that the power center might be going bad. Everything else in the motor home would run, even the microwave. The power center says it's a Iota. Does anyone have a link of instructions on how to troubleshoot a power center? Does it seem even possible that that could be the problem?

Thanks!

Ted

PS We were in Canada, that's why you need the furnace one day and the air conditioning the next!:D

wolfe10 · Answer

You need a digital voltmeter. Should be under $20. Check voltage at the battery and also at the two vertical parts of any 120 VAC receptacle. On the 120 VAC receptacle, check with nothing running and also when you turn on the A/C.

A digital voltmeter is critical equipment for any RV.

old-biscuit · Answer

With AC power being supplied and battery disconnected the converter DC output should be 13.2V minimum. If less than 13.2V then converter is failing.

Battery voltage should be 12.5V minimum

AC Voltage should be between 108V and 132V

tedp · Answer

My DC power reads 7.8 volts at the terminal on the therostat for the AC. Reads 12.8 on all the other terminals.

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Testing a power center

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