Maintenance & Support

Unexpected downtime is costly. Our maintenance and support services help you avoid breakdowns, recover quickly from faults, and keep your automation systems running at peak efficiency.

We offer on-site and remote PLC support for a wide range of platforms, including Allen-Bradley, Siemens, Omron, Schneider, Beckhoff and other leading systems.

Technician working at an industrial machine in a factory.

Support for Existing Systems

Whether your control system was built last year or 20 years ago, we can help keep it performing at its best.

Typical services include:

  • PLC & HMI fault recovery

  • Program edits, updates & backups

  • Communication network troubleshooting

  • Sensor & signal input/output repairs

  • On-site repairs and emergency call-outs

For new applications, additional equipment or wider software changes, see our PLC & HMI programming services.

Remote Support

Our secure remote access tools allow us to diagnose and resolve many issues without an on-site visit, saving time and cost.

Remote services include:

  • Software updates

  • Remote PLC program edits

  • Network & device diagnostics

  • Alarm & fault log analysis

  • Emergency online support

Ongoing Maintenance

Even the most robust control systems benefit from regular attention. We offer scheduled maintenance tailored to your setup and budget:

  • Hardware inspections and lifecycle checks

  • Program integrity verification

  • Cleaning and retightening of panel connections

  • Backup and version control

  • Control system health reporting

  • Off-site encrypted backups of PLC/HMI programs

Support Options

We offer flexible PLC support plans to suit your needs:

  • Pay-as-you-go troubleshooting

  • Monthly or annual contracts with prioritized response

  • Hybrid plans combining regular maintenance with on-demand remote support

  • Emergency site call-out for contracted clients

Contact Crown Controls