Digital Acoustics ESBx-110 Especificaciones Pagina 315

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Maintenance and Troubleshooting
ADDvantage-32 PLUS AC to DC Power Converter
7-17
FAULT MESSAGE PROBLEM SOLUTION
SCR OPN C+R Open SCR fault message.
SCR CR3 or fuse F10 for 510
amp and below. SCR A103
or fuse F3 for 540 amp and
above bridges.
a. Check fuse.
b. Check cable assembly connected to J2
of microprocessor board and its
associated connectors.
c. Replace SCR or drive base assembly.
d. Replace bridge interface board.
e. Replace microprocessor board.
SCR OPN A-R Open SCR fault message.
SCR CR4 or fuse F8 for
510 amp and below. SCR
A104 or fuse F4 for 540 amp
and above bridges.
a. Check fuse.
b. Check cable assembly connected to J2
of microprocessor board and its
associated connectors.
c. Replace SCR or drive base assembly.
d. Replace bridge interface board.
e. Replace microprocessor board.
SCR OPN B-R Open SCR fault message.
SCR CR5 or fuse F9 for
510 amp and below. SCR
A105 or fuse F5 for 540 amp
and above bridges.
a. Check fuse.
b. Check cable assembly connected to J2
of microprocessor board and its
associated connectors.
c. Replace SCR or drive base assembly.
d. Replace bridge interface board.
e. Replace microprocessor board.
SCR OPN C-R Open SCR fault message.
SCR CR6 or fuse F10 for 510
amp and below. SCR A106
or fuse for 540 amp and
above bridges.
a. Check fuse.
b. Check cable assembly connected to J2
of microprocessor board and its
associated connectors.
c. Replace SCR or drive base assembly.
d. Replace bridge interface board.
e. Replace microprocessor board.
SCR SHRT A+ Shorted SCR-CR1 or snubber
on 510 ADC and below units
or
Shorted SCR-A101 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
SCR SHRT B+ Shorted SCR-CR2 or snubber
on 510 ADC and below units
or
Shorted SCR-A102 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
SCR SHRT C+ Shorted SCR-CR3 or snubber
on 510 ADC and below units
or
Shorted SCR-A103 on
540 ADC and above units
a. Replace bridge interface board and
snubber board if applicable.
b. Replace SCR module.
c. Replace microprocessor board.
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