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Old 09-02-2013, 06:26 PM   #1
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Workhorse Chassis Owner
Join Date: Feb 2011
Posts: 5
converter problem

2003 Dolphin. Converter has two 30 amp fuses at end of unit. Both blown. Each time I try to insert new one it immediately blows. Am currently hooked to shore power and everything working except monitor panel shows coach batteries down (red). Any ideas?

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Old 09-02-2013, 08:01 PM   #2
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Location: Kansas City, MO./Pollock, LA.
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Disconnect the the 2 output wires and try 2 more fuses, if they blow, your converters bad.

06 Hurricane 34FT WH W20 Chassis 8.1L 120K, Steersafe, Koni Shocks, DIY Trac Bar, Tri-Metric 2025RV Battery Monitor, 4-6V Batteries, Scan Gauge 2, Crossfires, 735W Solar Morningstar MPPT-60, KVH R5 In-Motion Sat, XM Radio, 07 Chevy Malibu Maxx Toad, Falcon 2, Brake Buddy, Escapee
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Old 09-03-2013, 05:58 AM   #3
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First... DO NOT replace one at a time.

UNPLUG first. then replace both then plug back in]

but even before you do that think about the job title those fuses have "Reverse Polarity Fuses"

There are 2.5 things that will pop 'em like flashbulbs.

1: Batteries in backwards
2: Shorted converter (Kind of rare)
.5 In a very few cases... If you have UPGRADED your batteries, SOME converters may be able to push enough current to pop 'em. IF the batteries are below 50% state of charge. Mine has a circuit breaker and it's been known to break.
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Old 09-05-2013, 02:10 PM   #4
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Thanks for the tips. Looks like it is a bad converter. To shop next week with hopes of being covered under my warranty policy.
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