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Old 09-28-2020, 07:27 PM   #1
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Control panel on 2006 Coachmen Elite Sportscoach

Need some one with similar coach to help explain the operation of this panel ( see pics). My coach is not charging my house arteries white plugged into shore power. I cannot find anything in manuals to explain and I am thinking I may have something incorrect on this panel.....any help appreciated
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Old 09-28-2020, 07:39 PM   #2
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I see a button on the Magnum panel that says charger. I would assume that turns on or off the battery charger. But that seems too simple
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2006 Damon Daybreak 3276 35'. 3 200 Amp Lithium batteries and 2000 watt Pure wave inverter/charger.
2013 Elantra on a Master Tow dolly.
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Old 09-28-2020, 10:20 PM   #3
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Try turning off the charger. It looks like you are trying to convert the batteries to DC. If you turn off the entire inverter your 50 amp will take over. Think of it like the bottom of that panel helps when there is no 50 amp hookup and you are running off batteries to run DC.
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Old 09-28-2020, 10:28 PM   #4
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You would think the Magnum system would be smart enough to not invert if it's on shore power, but that is what the panel looks like it is indicating. At the top, it says 50 amp, but it also says inverting. It shouldn't do both. If on shore power or generator, it should be charging only. Possible your controller is messed up?
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2013 Elantra on a Master Tow dolly.
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Old 09-28-2020, 10:35 PM   #5
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Sorry to have a long post, but this is the excerpt from the manual;
Turning the inverter on: Press the ON/OFF INVERTER pushbutton to activate
the inverter function. The inverter will either be actively “inverting” by using
power from the batteries to power the AC loads (see figure 5-4); or will be
“searching” for a load by using very little power from the batteries - if in search
mode (see figure 5-3). The green ‘INV’ LED will be on when the inverter is
actively inverting and the green ‘INV’ LED will flash while searching.
Turning the inverter off: While the inverter is actively “inverting” or “searching”, the ON/OFF INVERTER pushbutton can be pressed to switch the inverter
function off and this will turn the green ‘INV’ LED off (see figure 5-2).
Inverter Standby: The inverter is in standby when the inverter is active
(green ‘INV’ LED is on) and an external AC power (utility/shore or generator) is

passing through the inverter to power the AC loads. During normal operation,
the AC loads will be powered by the external AC power, however, if a blackout
or brownout condition occurs, the inverter senses these conditions, transfers
to inverter mode and powers the AC loads connected to the inverter.

CAUTION: If you have critical loads and in Inverter Standby, do not
press the ON/OFF INVERTER pushbutton to turn the inverter function
off. If the green ‘INV’ LED is off, inverter power will NOT be available
to run your critical loads if the external AC power is interrupted.
5.2.2 Charger mode
Turning the charger on: The charger will automatically be activated and
begin to charge your batteries when acceptable AC power (utility/shore or
generator) is connected to the input (HOT IN 1) of the inverter.
When the
charger is ON, it produces DC voltage and current to charge your batteries.
The CHG LED will be on when the charger is ON and actively charging. While
charging the display will show Bulk, Absorption, Float or Full Charge (see
figures 5-5 thru 5-9).
Charger Standby: While the charger is actively charging, the ON/OFF CHARGER pushbutton can be pressed to switch the charger to “Charger Standby”.
While the charger is in Charger Standby, the incoming AC is still available on
the inverter’s output, but the charger is not allowed to charge. The display
will show ‘Charger Standby’ and the CHG LED will flash when the charger is
in standby mode, (see figure 5-10).

According to this, your panel should be showing standby when shore power is present. Please check your fuses or breakers associated with input to the inverter. It may be that you are missing 120 to the inverter, and if it senses no AC, it automatically switches to inverter. Otherwise, you may have a bad ME-RC50 panel, or maybe a bad inverter?
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2013 Elantra on a Master Tow dolly.
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