Siemens alarm 201005: Firmware download for DRIVE-CLiQ component unsuccessful
SINUMERIK 840D sl NCK alarm (DRIVE-CLiQ component handling) · Siemens 840D/810D powerline
What it means
Automatic firmware download to a DRIVE-CLiQ component (motor module, SMC, hub, motor encoder) failed.
Likely causes
- faulty/replaced DRIVE-CLiQ component with corrupt flash
- interrupted DRIVE-CLiQ communication during update
- component incompatible with NCU firmware version
- genuinely failed component electronics
Triage note: Retry download after reseating DRIVE-CLiQ connectors; persistent failure on one freshly installed component usually means defective unit.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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6SL3066-0BA00-…
DRIVE-CLiQ cable · Common cause
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affected DRIVE-CLiQ component (6SL3120-… MM, 6SL3055-… SMC, 6SL3056-… hub)
replaced/failed DRIVE-CLiQ component · Common cause
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6FC5373-… NCU compact flash
NCU CF card with matching firmware · Check if others ruled out
Need the part urgently?
Send us alarm 201005 with your machine details — typical RFQ turnaround is 24–48h.