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Katie GreeneAug 3, 2025
What to do if Fluke DSP-4100 Measuring Instruments show 'Wire map: open'?
- BBrandy NealAug 3, 2025
If your Fluke Measuring Instruments display indicates a 'Wire map: open' error, it means there might be several potential issues. The wires could be connected to the wrong pins at the connector or punchdown blocks, or there could be faulty connections. Cables might be routed to the wrong location, or wires could be broken by stress at connections. A damaged connector or cuts/breaks in the cable itself are also possible causes. To resolve this, inspect the cabling for the suggested fault at the location indicated by the diagnostics display.