Repair
Siemens SIRIUS
Contactors 3RT · Softstarters 3RW · Circuit Breakers 3RV · Relays
Repair of Siemens SIRIUS devices — soft starters 3RW30/3RW40/3RW50, contactors, motor circuit breakers. Diagnostics and service.
Diagnostics included in repair
No-obligation quote
12-month warranty
Courier pickup from all of Europe
Post-repair testing
Service Siemens SIRIUS — repair scope
Power section
IGBT, capacitor, rectifier, and power module replacement.
Control boards
CPU, flash memory, and communication circuit repair.
Interfaces and communication
Profibus, Profinet, EtherCAT, CAN port repair.
power supplies
Power supply circuit, DC/DC converter, and voltage regulator repair.
Mechanics and cooling
Fan, thermal paste, and gasket replacement.
Functional testing
Load testing, parameter verification, and test protocols.
Why EFIXLAB for repair of Siemens SIRIUS?
- Experience — years of practice servicing Siemens SIRIUS.
- EOL Devices — we repair discontinued devices.
- Load testing — every device is bench-tested before shipping.
- Fast turnaround — diagnostics up to 5 business days, repair 5–7 business days (after receiving necessary components). As a rule — time may be extended depending on component availability and repair complexity; deadlines agreed individually.
- 12-month warranty — on all performed work.
- Courier shipping — pickup and delivery from all of Europe.
Repair Siemens SIRIUS: from request to collection
Request
online or by phone
Shipping
by courier
Diagnostics
included in repair
Quote
& approval
Repair
& testing
Return
with warranty
Report fault Siemens SIRIUS — no-obligation quote
Provide the device model Siemens SIRIUS and fault description.
Dziękujemy! We have received your request — we will get back to you shortly with a quote and timeline.Frequently asked questions
Repair cost is typically 20–60% of the price of a new device. We send a quote within 24h.
Diagnostics: up to 5 business days. Repair: 5–7 business days after quote approval and receiving necessary components. As a rule — repair time may be significantly extended depending on component availability and repair complexity. Deadlines are agreed individually with the client.
Yes — we specialize in repairing devices no longer available from the manufacturer.
By courier to our Warsaw address. Secure packaging required.
Siemens SIRIUS Soft Starter and Motor Management Repair
Siemens SIRIUS products — 3RW soft starters (3RW30, 3RW40, 3RW44, 3RW50, 3RW55), motor management devices (SIMOCODE pro), overload relays, and monitoring relays — protect and manage motor starting and operation across industrial applications. Soft starters reduce mechanical and electrical stress during motor startup, while SIMOCODE provides intelligent motor management including overcurrent protection, stall detection, and process communication. These devices are installed in motor control centers throughout European industry.
Common SIRIUS failures include soft starter thyristor (SCR) degradation from repeated starting cycles, control board processor and memory faults, bypass contactor driver circuit failures (in 3RW44/3RW55 with internal bypass), display and interface module malfunctions, and SIMOCODE pro communication module failures (PROFIBUS, PROFINET). The 3RW30/40 series are simpler devices where thyristor failure is the primary concern, while 3RW44 and 3RW55 with integrated bypass and advanced functionality have more potential electronic failure points.
At EFIXLAB, we repair SIRIUS motor management electronics. Our service covers soft starter thyristor testing and replacement, control board component-level repair, bypass circuit diagnostics, SIMOCODE pro main unit and communication module repair, and complete functional testing. We verify proper motor starting profiles, protection functions, and communication interface operation during post-repair testing.
SIRIUS repair is economical for larger 3RW44/3RW55 soft starters and SIMOCODE pro systems where replacement costs are significant. Typical savings of 35–55%. For legacy 3RW40 units being phased out, repair extends installation life. All SIRIUS repairs include functional testing and our 12-month warranty.