Hello Wrenches,
A Magnum 4024 won't charge batteries or transfer loads. The owner of the
system, now well out of warranty, has spent hours on the phone with tech
support and even took the unit into a Magnum authorized repair shop. The
technician declared that it was working perfectly.
On connection to the utility grid, the ME-ARC shows no sign of seeing
the power. Once in a great while, it will connect and start charging
batteries. Then it will quit.
This seems to me like a matter of a relay not operating. The technician,
who checked it out, believes that the problem is with the AC coming in.
One tech support agent thought the same.
The inverter is 1000' plus from the transformer. The incoming voltage,
with light loads, is 248 VAC. Shouldn't the ME-ARC at least show that it
sees the grid, even if the voltage dropped upon connection to the point
it couldn't hold it?
Isn't the Magnum charger pretty forgiving about voltage input? I've
heard they can have issues with inverter-generators, but this is 60 Hz
grid power.
Thank you,
Drake
Drake Chamberlin
Athens Electric LLC
Ohio Electrical Contractor’s License 44810
CO Master Electrician’s License 4526
NABCEP Certified PV Installation Professional
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