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Old 01-22-2024, 08:25 PM   #1
Bus Crazy
 
Join Date: Jun 2016
Location: Orange County, CA
Posts: 1,361
Year: 1990
Coachwork: Crown, integral. (With 2kW of tiltable solar)
Chassis: Crown Supercoach II (rear engine)
Engine: Detroit 6V92TAC, DDEC 2, Jake brake, Allison HT740
Rated Cap: 37,400 lbs GVWR
Leviton GCFIs and inverters

Today I found out something with my Leviton GFCI receptacle: it's the 15A "Self-Test SmartlockPro" version. When I started my inverter (a Magnum MS2000), I couldn't reset the GFCI's Test/Reset buttons and its red indicator light was flashing quickly. The Leviton leaflet says nothing about this, but I later realized what was happening. When the Magnum is in Standby/"Sleep" mode it sends out a brief pulse of power every half second or so, and only if it sees a load greater than 5W will it begin to produce continuous AC power. The Leviton didn't interpret the Magnum's brief pulses as viable power, so it couldn't reset itself. I needed to run a load on another AC circuit to wake up the Magnum, then the GFCI reset as it should.

I wonder how many GFCIs have been returned as defective by RV/boat owners and off-gridders, when they were actually perfectly OK?

John

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Old 01-26-2024, 10:44 AM   #2
Skoolie
 
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Join Date: Jul 2020
Location: Tomahawk, WI
Posts: 185
Year: 2001
Chassis: Chevy Kodiak
Engine: 3126B CAT
Rated Cap: 27K
Is it a good plan to creating constant parasitic drain to keep things straight? I took mine out because the inverter has built in GFI and my shore power feed does as well.
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Old 01-26-2024, 11:44 AM   #3
Bus Nut
 
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Join Date: Jun 2023
Location: South Carolina
Posts: 854
Year: 1995
Coachwork: Thomas
Chassis: International 3800
Engine: T444E
Rated Cap: 29
Battery disconnects are a good deterrent against parasitic drains
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