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6.4 Number of messages, red LED and buzzer
Every message on the display in front of the UPS corresponds to a
number on the two 7-segments displays mounted on UPS logic board.
Every message causes a programmed effect on red-alarm LED and
buzzer on panel of UPS; they are, in ascending order of importance:
red LED may be OFF, BLINKING, CONTINUOUS sound of buzzer
may be OFF, SINGLE PULSE, INTERMITTENT, CONTINUOUS.
It is possible to change the default program using a feature of
communication system (see handbook).
Sr. No. MESSAGE Sound Led
01. NORMAL OPERATION Off Off
02. BYPASS SWITCH OPEN Cont. On
03. OUTPUT SWITCH OPEN Cont. On
04. RECT. SWITCH OPEN Cont. On
05. BATT. SWITCH OPEN Cont. On
06. MANUAL BYPASS CLOSED Pulse Blinking
07.
08.
09.
10. BYP: ABSENT Interm. Blinking
11. BYP: OVER VOLTAGE Interm. Blinking
12. BYP: UNDER VOLTAGE Interm Blinking
13. BYP: FREQUENCY ERROR Interm Blinking
14. BYP: PHASE ROT. ERROR Cont. On
15. BYP: SCR FAILURE Cont. On
16. BYP: HARDWARE BLOCK Pulse Blinking
17. BYP: OFF VIA DISPLAY Pulse Blinking
18. LOAD ON BYPASS Interm. Blinking
19. BYP: OVER TEMPERATURE Cont. On
20. RECT: SOFTWARE BLOCK Interm Blinking
21. RECT: OFF VIA DISPLAY Pulse Blinking
22. RECT: HARDWARE BLOCK Cont. On
23. RECT: CURRENT LIMIT Interm. Blinking
24. RECT: OVER TEMPERATURE Cont. On
25. RECT. FUSE FAIL Cont. On
26.
27.
28.
29.
30. INV SOFTWARE BLOCK Interm Blinking
31. INV. OFF VIA DISPLAY Interm Blinking