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 | |
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1 | 8 | E²PROM failure | |
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2 | F | Bypass Fuses Blown or IRE open | |
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3 | C | Phase failure | |
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4 | P | Incorrect phase rotation | |
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5 | • | Bypass square wave generation error | |
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6 | O | Output out of tolerance | |
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7 | L | Overload | |
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8 | 4 | Mains frequency out of tolerance | |
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9 | H | Mains voltage out of tolerance | |
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10 | 6 | Auxiliary power supply failure on the | |
SS/FY pcb | |||
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11 | b | Bypass blocked | |
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12 | S | Bypass not synchronised | |
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13 | d | SSB failure | |
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14 | E | Bypass system not available | |
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15 | 9 | Missing or false bypass trip signal | |
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16 | 7 | EPO activated | |
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17 | U | IUG open | |
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18 | SSB on | ||
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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 |
