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Christopher GeorgeAug 3, 2025
What to do if Danfoss DC Drives display is dark?
- JjennifergarrettAug 4, 2025
If the Danfoss DC Drives display is dark and there's no function, several issues could be the cause. First, check the input power source to ensure it's properly connected. Next, verify that fuses haven't blown or the circuit breaker hasn't tripped, and follow the recommendations provided. Inspect the LCP and connection cable, and replace if faulty. Ensure there are no shortcuts on the control voltage (terminal 12 or 50) or at control terminals, and wire the terminals properly. Confirm you're using the correct LCP (LCP 101 (P/N 130B1124) or LCP 102 (P/N 130B1107)). Try adjusting the contrast by pressing [Status] + [?]/[?]. If the display (LCP) is defective, replace it. If the internal voltage supply fault or SMPS is defective, contact supplier.
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