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.