136
Replacing the PrimoPS power PC board
Preparatory work
Set the DC disconnector to OFF
Disconnect the AC supply
Remove the DATCOM cover
Disconnect the data communication cables if necessary
Release the device from the wall bracket and remove.
Remove the power stage set cover
Replacing the Pri-
moPS power PC
board
Removing the PrimoPS:
Remove air guide (1).
Disconnect all the cables (2) - (4) from
the PrimoPS
Remove the 14 4x9 mm TX20 screws
(5) from the PrimoPS PC board
Feed the LVRT cable out of the ferrite
ring
WARNING!
An electric shock can be fatal.
Follow the five safety rules.
1
2
3
4
5
6
(1)
1
(2)
(3)
(4) (5)
(5)
(5)
(5)
(5)
2
3
4
Summary of Contents for Primo 3.0-1
Page 2: ...2 ...
Page 5: ...Allgemeine Informationen ...
Page 6: ......
Page 13: ...Fehler Suchhilfe ...
Page 14: ......
Page 32: ...32 ...
Page 33: ...Komponenten austauschen ...
Page 34: ......
Page 54: ...54 DC Trenner auf ON stellen 6 ...
Page 65: ...Sicherheitstechnische Überprüfung ...
Page 66: ......
Page 78: ...78 ...
Page 81: ...General information ...
Page 82: ......
Page 89: ...Error location aid ...
Page 90: ......
Page 108: ...108 ...
Page 109: ...Changing components ...
Page 110: ......
Page 130: ...130 Set the DC disconnector to ON 6 ...
Page 141: ...Safety Inspections ...
Page 142: ......
Page 154: ...154 ...
Page 155: ...Appendix ...
Page 158: ...158 ...
Page 159: ...159 ...