Siemens · PLC and HMI modules
6ES7516-3AN01-0AB0 — Siemens S7-1500 CPU 1516-3 PN/DP: fault codes, repair & supply
The 6ES7516-3AN01-0AB0 is a SIMATIC S7-1500 CPU 1516-3 PN/DP for mid-to-large automation systems. Star Automations sources and supplies the 6ES7516-3AN01-0AB0 and repairs failed units at component level, so you can choose between a replacement and getting your existing unit restored. This is a current OEM line. Availability and price are confirmed per enquiry. Most quotes come back the same day — send the part number or the fault code on WhatsApp.
When a 6ES7516-3AN01-0AB0 needs attention
- ERROR LED red and CPU will not enter RUN
- MAINT LED yellow with diagnostic messages
- Memory card (SIMATIC MC) not recognised
- PROFINET or PROFIBUS network not coming up
- CPU restarts or hangs after a power dip
- Display shows a diagnostic alarm
Replace or repair your 6ES7516-3AN01-0AB0
Source a replacement
Send the part number. We check sourcing from global surplus and the OEM channel and reply the same day with availability, condition and price. Advance or verified escrow applies.
Repair your existing unit
If sourcing takes longer or you want to keep your configuration, we repair at component level — power stage, gate-drive, control and supply sections — and test before dispatch.
What people look up for the 6ES7516-3AN01-0AB0
- S7-1500 CPU ERROR LED
- S7-1500 CPU 1516 repair
- 6ES7516-3AN01-0AB0
- S7-1500 stuck in STOP
- SIMATIC S7-1500 repair India
6ES7516-3AN01-0AB0 — common questions
Can you supply the 6ES7516-3AN01-0AB0 in India?
Can a faulty 6ES7516-3AN01-0AB0 be repaired instead of replaced?
My 6ES7516-3AN01-0AB0 shows a fault. What should I do?
Is the exact part number important?
Need the 6ES7516-3AN01-0AB0 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.