GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Central Listing
Page no. 267 Chapter 3
Indicators and Switches.fm
DE8 -8 V (-VE) Green Normal status: ON
ON when -8 V is present (i.e. when the S1 switch
between the Power Line Filter and the Mains Distri-
bution Board 200PL1 is closed).
OFF when there is a problem and no -8V is pres-
ent. In this case, proceed as follows:
• Check the fuse F2.
• If the fuse F2 is OK, check the fuses at the mains
input.
• If the fuses at the mains input are OK, check the
cabling arriving on the XJ1 and XJ3 connectors.
• If the cabling is OK there is a problem with the
transformer TR2 or RT4. Change the Mains Distri-
bution Board 200PL1.
DE9 +8 V (+VE) Green Normal status: ON
ON when +8 V is present (i.e. when the S1 switch
between the Power Line Filter and the Mains Distri-
bution Board 200PL1 is closed).
OFF when there is a problem and no +8 V is pres-
ent. In this case, proceed as follows:
• Check the fuse F3.
• If the fuse F3 is OK, check the fuses at the mains
input.
• If the fuses at the mains input are OK, check the
cabling arriving on the XJ1 and XJ3 connectors.
• If the cabling is OK there is a problem with the
transformer TR2 or RT3. Change the Mains Distri-
bution Board 200PL1.
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