153, 161
Description JPDE-[ ] fuse FU21/FU22 (JS2 connector) is blown or SWS2 switched OFF.
Possible Cause
• The SWS2 is turned off and FuseDiag is enabled.
• The FU21 or FU22 fuse is blown.
• The 24/48 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 24/48 V dc input connections to the terminal board.
• If the 24/48 V dc input is not used, this diagnostic alarm can be disabled by setting the InputDiagEnab parameter on the
associated input (DC_24VFdbkMag) to Disabled.
154, 162
Description JPDE-[ ] fuse FU31/FU32 (JS3 connector) is blown or SWS3 switched OFF.
Possible Cause
• The SWS3 is turned off and FuseDiag is enabled.
• The FU31 or FU32 fuse is blown.
• The 24/48 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 24/48 V dc input connections to the terminal board.
• If the 24/48 V dc input is not used, this diagnostic alarm can be disabled by setting the InputDiagEnab parameter on the
associated input (DC_24VFdbkMag) to Disabled.
342 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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