Solved: UPS shows internal RBC is disconnected

Anonymous user · ‎2021-06-28

I have this

APC MGE UPS SRT5KRMXLT-5KTF

EXTERNAL BATTERIES SRT192BP2

I am receiving an alarm and mentioning "INTERNAL RBC DISCONNECTED".

Could you please help me.

Im from Cabo San Lucas , B.C.S Mexico

Anonymous user · ‎2021-06-28

Have you checked if the batteries are connected? If yes, then check the fuse (there's usually a fuse linking the batteries).

If that (those) fuse is (are) OK, then check the on board fuse. Usually labeled f3 depending on the model of the ups.

Anonymous user · ‎2021-06-28

Have you checked if the batteries are connected? If yes, then check the fuse (there's usually a fuse linking the batteries).

If that (those) fuse is (are) OK, then check the on board fuse. Usually labeled f3 depending on the model of the ups.

UPS shows internal RBC is disconnected