189
Description
JPDC-P28v-T contact input (JT connector) indicates PS problem.
Possible Cause
•
The power supply contact is open. The power supply is not operating normally.
•
The power supply contact feedback is not connected to the specified terminal board connector.
•
The power supply dry contact is not used.
Solution
•
Verify the status of the power supply contact, and that the power supply is operating correctly.
•
Verify the connections between the power supply and the specified connector on the JPDC.
•
The input is not used. Set
PS28vEnable
to
Disable
.
•
The power supply is used, but the dry contact feedback is not connected. Set
PS28vEnable
to
NoDryCnt
to disable this
alarm, but continue to monitor the 28 V power supply input.
190
Description
PPDA Invalid Combination: More than 1 JPDC board present.
Possible Cause
The PPDA allows only one JPDC board to be connected as part of the Power Distribution module. The
PPDA has detected more than one JPDC boards connected through the ribbon cables to the PDM.
Solution
•
Verify that only one JPDC terminal boards is connected to the PPDA. The PPDA should be plugged into the JPDC
terminal board.
•
Reboot the PPDA after the hardware connections are corrected.
191
Description
PPDA Invalid Combination: JPDC and JPDS boards present Together.
Possible Cause
The PPDA does not allow JPDC and JPDS terminal boards to be mixed. The PPDA has detected both
JPDC and JPDS terminal boards connected through ribbon cables to the PDM.
Solution
•
Verify that there are only JPDC or JPDS boards present, but not both.
•
Verify that the ToolboxST configuration matches the hardware configuration.
•
Reboot the PPDA after the hardware connections are corrected.
354
GEH-6855_Vol_II
GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
Public Information