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Becky MartinezAug 13, 2025
How to troubleshoot lack of reading or output in Aalborg DFC?
- KKevin BakerAug 14, 2025
If your Aalborg Controller lacks reading or output, several factors could be responsible. First, check the power supply connection. If the fuse (DFC) is blown, disconnect the DFC transducer from the power supply, address the shorting issue or verify polarities; the fuse should reset automatically. Alternatively, if the fuse (SDPROC) is blown, disconnect the power cord, inspect and replace the fuses at the AC power input connector of SDPROC as needed. Other potential causes include a filter screen obstructed at the inlet (flush clean, disassemble, or replace), an occluded sensor tube (flush clean, disassemble, or return to the factory), or a defective PC board (return to the factory for replacement). Finally, incorrect valve adjustment can also be a factor; in this case, readjust the valve.
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