175
Description JPDC-Fuse FU73 or FU74 (J7B connector) is blown or SW7B 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.
176
Description JPDC-Fuse FU75 or FU76 (J7C connector) is blown or SW7C 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.
PDM Power Distribution Modules
Public Information
GEH-6855_Vol_II System Guide 347