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Siemens SINAMICS G120 Drive
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Feb 02, 2026 11:21 am
i have issue with sinamics G120 drive showing fault F7802 continuously. After several time power on off drive showing shame issue. Please suggest any solution for this fault.
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Feb 03, 2026 5:57 am
In Sinamics G120 fault F7802 indicates " Power Unit Not Ready," meaning the Control Unit (CU) cannot detect or communicate with the Power Module (PM).
- This is commonly caused by loose connections, missing 24V supply to the power unit (especially for larger frames), or faulty power hardware.