Siemens · PLC and HMI modules
6ES7215-1AG40-0XB0 — SIMATIC S7-1200 CPU 1215C DC/DC/DC: fault codes, repair & supply
The 6ES7215-1AG40-0XB0 is a Siemens S7-1200 CPU 1215C with DC supply, DC inputs and DC outputs, used in compact machine control. Star Automations sources and supplies the 6ES7215-1AG40-0XB0 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.

Common S7-1200 CPU 1215C fault codes and what we usually find
Fault code wording can differ by firmware and manual revision — always confirm against the manual for your exact unit. The causes below are typical findings, not a diagnosis of your specific unit.
| Code | Meaning | Typical cause |
|---|---|---|
| ERROR flashing red | Error detected | Program, module, memory card or I/O fault; check diagnostics in TIA Portal |
| ERROR solid red | Hardware defect | CPU fault; replace or repair |
| MAINT (yellow) | Maintenance request | Pending maintenance or a reset to factory settings in progress |
| STOP/RUN yellow | CPU in STOP | Program stopped or a stop on error |
When a 6ES7215-1AG40-0XB0 needs attention
- CPU in STOP with the ERROR LED on
- PROFINET device dropouts
- Program will not download
- Memory card not recognised
- Digital outputs not switching
Replace or repair your 6ES7215-1AG40-0XB0
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.
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- S7-1200 PROFINET connection lost
6ES7215-1AG40-0XB0 — common questions
Can you supply the 6ES7215-1AG40-0XB0 in India?
Can a faulty 6ES7215-1AG40-0XB0 be repaired instead of replaced?
My 6ES7215-1AG40-0XB0 shows ERROR flashing red (error detected). What should I do?
Is the exact part number important?
Need the 6ES7215-1AG40-0XB0 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.