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217
Description JPDG fuse FU20/FU21 (JFF connector) is blown.
Possible Cause The FU20 or FU21 fuse is blown.
Solution
•
Replace the fuse.
•
If the 24/48 V dc input is not used, this diagnostic alarm can be disabled by setting the InputDiagEnab parameter on the
associated input (DC_24VFdbkMag) to Disabled.
218
Description JPDG fuse FU22/FU23 (JFG connector) is blown.
Possible Cause The FU22 or FU23 fuse is blown.
Solution
•
Replace the fuse.
•
If the 24/48 V dc input is not used, this diagnostic alarm can be disabled by setting the InputDiagEnab parameter on the
associated input (DC_24VFdbkMag) to Disabled.
219
Description Invalid Board Combination with the JPDG
Possible Cause The PPDA has detected invalid board combination connected through the ribbon cables to the JPDG
board. The invalid board combination connected to JPDG may be one of the following:
•
More than one JPDG board
•
JPDS mixed with JPDG
•
JPDM mixed with JPDG
•
JPDC mixed with JPDG
•
More than one JPDE board
•
More than one JPDB board
•
More than two JPDF boards
Solution When the PPDA I/O pack is hosted by the JPDG board, verify that the following valid board combination are
connected to JPDG:
•
Only one JPDE board.
•
Only one JPDB board.
•
Only two JPDF boards.
•
Maximum three auxiliary boards can be connected at any given time.
•
Reboot the PPDA after the hardware connections have been corrected.
PDM Power Distribution Modules
Public Information
GEH-6855_Vol_II System Guide 361
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