SOLA 4000 - PCB Description
1 UPS Control Logic
CPHC16 - S Front View
DIAGNOSTICS
Bypass
RS 232
RS 485
FIG. 1.8 illustrates the display, switches and connectors of the CPHC16 - S PCB which are accessible from the front.
•7 segment display for diagnostics (see table below)
•Manual transfer to bypass pushbutton
•RS232 connector (male)
•RS485 connector (female)
Priority | Indication | Diagnostics | |
|
|
| |
1 | 8 | E²PROM failure | |
|
|
| |
2 | F | Bypass Fuses Blown or IRE open | |
|
|
| |
3 | C | Phase failure | |
|
|
| |
4 | P | Incorrect phase rotation | |
|
|
| |
5 | • | Bypass square wave generation error | |
|
|
| |
6 | O | Output out of tolerance | |
|
|
| |
7 | L | Overload | |
|
|
| |
8 | 4 | Mains frequency out of tolerance | |
|
|
| |
9 | H | Mains voltage out of tolerance | |
|
|
| |
10 | 6 | Auxiliary power supply failure on the | |
SS/FY pcb | |||
|
| ||
|
|
| |
11 | b | Bypass blocked | |
|
|
| |
12 | S | Bypass not synchronised | |
|
|
| |
13 | d | SSB failure | |
|
|
| |
14 | E | Bypass system not available | |
|
|
| |
15 | 9 | Missing or false bypass trip signal | |
|
|
| |
16 | 7 | EPO activated | |
|
|
| |
17 | U | IUG open | |
|
|
| |
18 | SSB on | ||
|
|
|
In normal condition the display shows a red seg- ment rotating clockwise.If more than one alarm is present, only the one with the higher priority
is displayed.
JUE 401268 | 103 |