
179
Description
JPDC-Fuse FU1T or FU2T (J1T connector) is blown or SW1T switched OFF.
Possible Cause
•
The specified switch is turned off and
FuseDiag
is enabled.
•
The specified fuse is blown.
•
The 125 V dc input is not connected.
Solution
•
If the switch is turned off (output is not used), disable the diagnostic by setting
FuseDiag
to
Disable
.
•
If the output is used, verify that the switch is turned on.
•
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
.
180
Description
Input Src Mismatch on JPDC: AC src detected at input instead DC.
Possible Cause
•
The ac voltage has been detected at the 125 V dc input.
Solution
•
Verify the 125 V dc input connections. Use a DVM to verify the dc voltage on the input connections.
•
Verify that the positive and negative inputs to the 125 V dc bus are connected to the proper terminals. Refer to the JPDC
help documentation.
•
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
.
PDM Power Distribution Modules
GEH-6855_Vol_II System Guide 349
Public Information