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limycenter

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  • FirstName
    Clint
  • Make
    Monaco
  • Model
    Executive
  • Year
    2006
  • City & State
    Olean, NY

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  1. First You did not offend me at all. Your concerns are valid, i was happy to answer your good questions with the right answers. As much as some try to make us believe that lithium are drop in replacements.....they arent!!!! Anyway, your gut feeling was spot on and after 1 week of pulling out my hair.......I FOUND THE ISSUE and its a doozie. The lug going into the rear box from the house battery was loose and the cable was NOT connected into the back box. ugh......argh......sigh.....yay!!!!
  2. Tom (and myrontruex and Dwight) Thanks for the replies. I have had these batteries for 2 years. When I first installed them I contacted Magnum, bought an updated monitor unit and setup a CC/CV charging scheme that was compatible with the Valence spec sheet AND the magnum charger/monitor combo. I am able to monitor the batteries via a custom cable and computer. They are healthy and working. I live in this rig full-time and am almost always plugged into shore power. I leave the charger in Float at 13.6 (which is find for the batteries according to the spec sheet). I jumped the house to the chassis batteries and the charger DID not see the low battery voltage and start charging ....... i did not turn off AC to test inversion method. while driving about 2 days ago, the front switch did get the inverter working (i am assuming off the truck batteries). I will find the fuse to see if that is the cause since when i hardwire a battery to the inverter......it will charge the battery. Clint
  3. These are Valence U27-12XP. They do not have built-in BMS. The plot is thickening....... I have 1 house battery plugged in. But the disconnect switch is in the OFF position. Last night, I was wakened from my slumber for a low battery warning by the Aladdin system (12V on the Lithium). I went out and disconnected the house battery. But now my door keypad and keys do not lock the coach. The inverter is still putting out DC to the coach. I have installed a Battery Isolation Manager in place of the fatboy relay to keep the batteries charged....... https://battlebornbatteries.com/product/lifepo4-battery-isolation-manager/
  4. Hey Everyone My Problem: House does not have working 120V or 12V when plugged in or on generator until I short the batteries together with ignition on at the dash switch. When i hit the switch with the ignition on, the inverter will kick on/pass 120V to house along with DC to the 12V system So my thinking is the fuse connecting the inverter to the house batteries is bad......but that might be another squirrel that I am chasing. I can't find the big fuse that connects the house batteries to the inverter. went to leave camp and coach wouldn't start (was plugged in, charger was in float mode) finally got started and inverter was reading .5V on house batteries so wouldn't invert batteries read 13.4V at the battery (I installed lithium 2 years ago) in rear fuse/relay box, the house batteries are not making it to the box Arrive at new destination and plug 50A into shore power but don't have 120V on the other side of the inverter side (inverter/charger won't pass the 120V) and charger won't supply DC i am able to "kick-start" the inverter by shorting the chassis to house batteries using switch up front when the ignition is ON.....EVERYTHING WORKS, 12V and 120V gets passed through the inverter. All is good until i lose 120V power then i have to kick-start the system. The house batteries are NOT getting charged I assumed that the battery disconnect switches were bad and replaced them after lots of screwing around ..... they are in a painful to replace area and hard to acquire since they are 4 post and wired in a unique way Stock inverter (was replaced 3 years ago right before I bought) but its still the stock model 3K Magna (NOT HYBRID) House batteries are good, inverter IS working ---- I unhooked the inverter from the coach and direct connected a battery and it worked (started charging the batteries)
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