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frizfreleng's avatar
frizfreleng
Explorer
Dec 23, 2018

Converter Down

First post, Hello! Parallax Series 7300. 2004 Keystone Cougar 5th Wheel. I leave it plugged into the power pedestal on my property. There is 110 vac at the plug. We just went through a 2 day rain storm. Went to the trailer yesterday and the converter fan was not running. No AC power in the trailer. At least the lights don't work. I didn't try anything else. Water on the kitchen counter above the converter. Don't know if the two are related yet but looks suspicious. Can't believe the converter is flat mounted on the deck but if flooding exists that would explain it. Multi-meter shows 46 vac coming out of the converter. Pretty obvious I am going to have to pull the converter to check it out and find the source of the flooding. I guess I am asking for any sage advice or experience with converter problems.

Thanks, Friz

25 Replies

  • You don't have to pull the converter to check it out. Just take the whole front cover off. (it has funny screws )

    If there is a danger of water being there, don't plug the shore power cable in!!

    The 7300 trouble shooting guide is simple to follow. it is on line. You can't get 46VAC "out". You get DC out with 120v "in" That 120 is "hardwired" with a black wire to a breaker and a white wire to a neutral buss. ( No ground wire)

    You need 120v at the breaker panel to start with, then see what DC out is where the converter output (blue for pos, white for neg) goes to the lugs on the DC fuse panel. Measure DC at the lugs. Should be 13.8ish. If it is only 12.x, then that is from your battery, which goes to the same lugs.
  • My WFCO converter was mounted flat on the floor near the kitchen sink and bathroom drains. When it died and I replaced it, mounted the new PD unit off the floor a couple inches.

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