Siemens Kaeser 6BK1200-0AB20-0AA0 7.7000.0 sigma control

Siemens Kaeser 6BK1200‑0AB20‑0AA0 7.7000.0 Sigma Control is an industrial PLC/drive interface used for air compressor monitoring and control. Common failure modes on this model include power supply board degradation (brown‑out of the 24 V rail), I/O module mis‑routing or shorting, and firmware corruption leading to error codes such as “E001” or “E002”. First‑check steps: verify the main power input and 24 V DC output with a multimeter; inspect all connector pins for corrosion or broken contacts; review the diagnostic log on the HMI for recent fault entries.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.

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Siemens Kaeser 6BK1200-0AB20-0AA0 7.7000.0 sigma control

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🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.