123, 132
Description
JPDF-[ ] fuse FU83 or FU84 (J8B connector) is blown.
Possible Cause
•
The FU83 or FU84 fuse is blown.
•
The 125 V dc input is not connected.
Solution
•
Replace the fuse.
•
Verify the 125 V dc input connections to the terminal board.
•
If the 125 V dc input is not used, this diagnostic alarm can be disabled by setting the
InputDiagEnab
parameter on the
associated input (
DC_125VFdbkMag
) to
Disabled
.
124, 133
Description
JPDF-[ ] fuse FU12 or FU13 (J12 connector) is blown.
Possible Cause
•
The FU12 or FU13 fuse is blown.
•
The 125 V dc input is not connected.
Solution
•
Replace the fuse.
•
Verify the 125 V dc input connections to the terminal board.
•
If the 125 V dc input is not used, this diagnostic alarm can be disabled by setting the
InputDiagEnab
parameter on the
associated input (
DC_125VFdbkMag
) to
Disabled
.
135
Description
PPDA Invalid Combination: More than 2 JPDS boards present
Possible Cause
PPDA allows up to two JPDS boards to be connected as part of the Power Distribution module. The
PPDA has detected more than two JPDS boards connected through ribbon cables to the PDM.
Solution
•
Verify that only one or two JPDS terminal boards are connected to the PDM through ribbon cables.
•
Reboot the PPDA after the hardware connections are corrected.
PDM Power Distribution Modules
GEH-6855_Vol_II System Guide 337
Public Information