GE Mark VIeS - Page 347

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 GEH-6855_Vol_II System Guide 347
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