My APC UPS (2 of them) show an F04 error message after cycling for several minutes. Then they lock up or shut down.
Incoming power is at 124v. Load ranges from about 15% to 50%.
Both are about 30 days old.
Any suggestions?
My APC UPS (2 of them) show an F04 error message after cycling for several minutes. Then they lock up or shut down.
Incoming power is at 124v. Load ranges from about 15% to 50%.
Both are about 30 days old.
Any suggestions?