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Siemens troubleshooting

Specialists in Siemens equipment across all generations. Support for PLCs, drives, and industrial control systems.

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Common issues

  • Your industrial installations use Siemens equipment that is sometimes older (S5, S7-300, S7-400), for which manufacturer support is limited or non-existent.
  • Your industrial installations use Siemens equipment that is sometimes older (S5, S7-300, S7-400), for which manufacturer support is limited or non-existent.
  • You are experiencing failures on critical systems and do not have the necessary technical expertise in-house.
  • Spare parts for older generations are difficult to find, and lead times are incompatible with your production constraints.
siemens troubleshooting issues

Our Siemens expertise

Programmable logic controllers (PLCs)

SIMATIC S5 (all generations)
SIMATIC S7-300 / S7-400
SIMATIC S7-1200 / S7-1500
Logo!, ET200, distributed I/O
Program migration and modernization

Drives & motion

SINAMICS G120, G130, S120
MICROMASTER older generations
DC and servo drives
Workshop diagnostics and repair
Sourcing electronic boards

HMI & SCADA

OP / TP operator panels
SIMATIC HMI Comfort / Unified
WinCC flexible and WinCC Professional
Migration of older versions
Program recovery without source code

Industrial networks

PROFIBUS DP / PA
PROFINET IO
MPI, AS-i
Network diagnostics with analyzers
Optimization and troubleshooting

Our typical interventions

Emergency troubleshooting

Diagnostics and repair for a failed PLC, faulty drive, or non-functional industrial network

Preventive maintenance

Equipment checks, program backups, network verification, preventive battery replacement

Migration and modernization

Migration from S5 to S7, modernization from S7-300 to S7-1500, WinCC migration, preserving functionality

Program modifications

Adding features, optimization, bug fixes, process adaptation, with or without source code

Commissioning

Installation of new equipment, network connection, testing and validation, operator training

Our added value

Advanced technical expertise

  • 15 years of experience with the Siemens range
  • Trained and certified technicians
  • In-depth knowledge of older and newer generations
  • Professional diagnostic tools

Guaranteed responsiveness

  • On-site within 24 hours in France
  • Remote diagnostics available
  • Technical phone support
  • 24/7 availability for emergencies

Stock & parts sourcing

  • Stock of critical Siemens parts
  • International supplier network
  • Sourcing obsolete parts
  • Workshop repair of electronic boards

Service continuity

  • Support for obsolete equipment
  • Phased migration strategies
  • Secure program backups
  • Complete technical documentation

Examples of frequent interventions

Case #1

S7-400 PLC failure

CPU fault diagnosis, module replacement, program restoration, functional tests. Return to service.

Case #2

G120 drive out of service

Faulty power board, sourcing a rare part, workshop repair, reconfiguration, delivery and return to service

Case #3

S5 to S7 migration

S5 program analysis, transcoding to S7-1500, workshop testing, on-site installation, process validation. 3 weeks.

Need a SIEMENS expert?

Rapid diagnostics
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