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Problem Inverter - still puzzled
Yahoo Message Number: 102526
Measure the DC voltage directly at the input to the inverter as the problem occurs. Likely you will find less than 12V. The problem could be a bad in-line fuse, or poor contact, or simply inadequate wiring for the load. If the voltage is above 12V, then either the inverter is bad, or it is inadequate for the load you need.

The brief beep when you turn off the inverter is normal, by the way. It's a good way to locate the inverter--have one person switch it on and off while the other person tracks down the source of the beep. The cabinet under the fridge is a good place to start looking. When you find it, get out your voltmeter and do the tests Steve suggested.

Steve and Andy,

The DC voltage directly at the inverter is 12.7V - the AC voltage is 117V.
As soon as I plug the Winegard Positioner in and turn it on, the voltage drops to 65-70V and the unit pulsates on/off.

The Winegard positioner and Direct TV receiver both work  great on a portable 400W mod sine inverter when plugged in the top 12V receptacle in the cabinet next to the 13" TV.

When I switch off the inverter there is a constant beep and that will not disappear. You will get rid off it by switching the inverter "ON".

I appreciate your suggestions and or comments.

Frans Liebert

2000MB

Lake St Louis, MO

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