121, 130
Description JPDF-[ ] fuse FU75 or FU76 (J7Z connector) is blown or SW7Z switched OFF.
Possible Cause
• The SW7Z is turned off and FuseDiag is enabled.
• The FU75 or FU76 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.
122, 131
Description JPDF-[ ] fuse FU81 or FU82 (J8A connector) is blown.
Possible Cause
• The FU81 or FU82 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.
336 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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