Rittal PMC12 - Status & Alarm Buzzer

Installation and Operation
UPS-Manual
19
EN
4.5. Status & Alarm Buzzer
The following table helps to define some of the
common UPS statuses with respect to their
buzzer beep descriptions.
Status Definitions
Buzzer Beep
Descriptions
UPS faulty, Inverter
shutdown. All functions
inhabited.
Long Continuous
Beep
UPS faulty, loads
continue to be supplied
via Inverter or Bypass.
Single successive
beep with ~ 2 sec
interval
battery mode
Single short
successive beep
with ~1 sec interval
battery low
Very quick and
short successive
beep
confirm/RS232 port
receiving
2 quick & short
beeps
service mode ok
1 quick & short
beep
UPS initial starts up with
self test
2 successive quick
& short beeps,
repeating per ~2
sec interval.