183
Description JPDC-Fuse FUAC2 (JAC2 connector) is blown.
Possible Cause
• The specified fuse is blown.
• The ac input is not connected.
Solution
• Replace the fuse.
• Verify the ac input connections to the terminal board.
• If the ac input is not used, this diagnostic alarm can be disabled by setting the InputDiagEnab parameter on the
associated input (AC_VFdbk1_Volt) to Disabled.
184
Description JPDC-P28v-R volt fdbk (JR/PR connector) out of range.
Possible Cause
• The 28 V power supply input is out of range. It should be within ±5% of 28 V.
• The 28 V power supply has not been connected.
• There may be a power supply problem.
Solution
• The input is not used. Set PS28vEnable to Disable.
• Verify the power supply connections (specified connector) to the terminal board.
• Verify that the power supply feedback on the JPDC Inputs tab in the ToolboxST configuration is within the expected
tolerance (±5%).
PDM Power Distribution Modules GEH-6855_Vol_II System Guide 351
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