PLC Repair at Neethsel HK Limited
PLC (Programmable Logic Controller) devices are advanced control systems that perform programmed logic operations. At Neethsel HK we repair devices of popular series such as: Simatic S7-300, Simatic S7- 400 by Siemens
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Neethsel HK offers professional service for PLC equipment from leading manufacturers such as, but not limited to:
- ABB PLC service
- Allen-Bradley PLC repair
- Bosch Rexroth PLC repair
- B&R Automation PLC repair
- Control Techniques PLC Repair
- Danfoss PLC repair
- ELAU and Schneider Electric PLC repair
- FANUC PLC repair
- KEB PLC service
- KEBA PLC service
- KEBA PLC repair
- KUKA PLC repair
- Mitsubishi Electric PLC repair
- Siemens PLC repair
- YASKAWA PLC service
Device diagnostics for PLC equipment
Express repair for PLC equipment
Functional tests for PLC equipment
PLC Device Regeneration and Service
At Neethsel HK Limited, PLC controller repair involves a detailed assessment of the device’s technical condition, including checking signal paths, input/output modules, and power supply systems. If necessary, we regenerate damaged traces, replace faulty electronic components, and restore full functionality of the control unit according to the manufacturer’s specifications.
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What sets Neethsel HK service apart
We provide professional PLC repair:
- For repair we use high quality spare parts that come from our warehouse located in Hong Kong
- After repairs, we carry out functional tests of PLCs, on dedicated test stands
- We provide short repair times, even up to 1 business day
- We repair and remanufacture equipment withdrawn from production and not available on the market
- We provide warranty for repair of industrial parts equipment up to 24 months
- We serve customers in Poland, Europe as well as from all over the world
Have us repair your PLC devices and receive a working device
To order PLC repair, please fill out the online form “order repair”. In the description, please provide as much information as possible about the device you are requesting to be repaired, which will reduce the time for the quote. You are welcome.
Hotline Service: +48 717 500 983
Email: [email protected]
PLC device repair characteristics:
PLC repair at Neethsel HK is a comprehensive repair process that includes analysis, reconditioning and testing of PLCs to restore their full functionality. The damaged PLC device undergoes a detailed inspection, in which we precisely identify the source of the failure and replace the damaged components. As part of the repair, at each stage of component replacement, we carry out accurate measurements of electrical parameters and analyze the controller’s performance under actual operating conditions.
We conduct detailed functional tests of PLC devices:
We conduct advanced functional tests of PLC devices, which are carried out on dedicated test benches specially designed to simulate real operating conditions. Each device undergoes a series of tests to thoroughly verify its response to control signals, the correctness of its communication with other system components, and the stability of its operation within various operating ranges. The tests also include verification of precision in the execution of logic and timing tasks, monitoring of voltage and load parameters, as well as control of data throughput performance. After testing, the device’s compliance with applicable safety and energy efficiency standards is also verified.
PLC devices are used in many industries, including:
- Industrial automation
- Robotics
- Transportation and logistics
- Food industry
- Automotive industry
- Textile industry
- Pharmaceutical industry
How does the PLC repair work at Neethsel HK?
Have it repaired
To request a repair quote, please fill out the form and a Neethsel HK Account Manager will contact you as soon as possible.
The diagnostics of the device at Neethsel HK
You will receive a free of charge repair quotation within 7 working days. Alternatively, there is an option of receiving the quotation within 24 hours for an additional fee of 110 EUR.
Repair offer
We send the repair offer in the form of a pdf document, which includes information on repair time, price and warranty.
Repair and testing
RGB’s service team will restore the device to full operation and subject it to quality control during load tests or environmental simulations.
Neethsel HK Quality Guarantee
We provide a warranty of up to 24 months usually for the entire device, not just the sections under repair. The warranty also covers discontinued equipment.
Delivery of a working device
Fully operational and securely packaged, you can pick up the device in person or we will ship it to your address. Delivery is also possible, out of hours, available for a fee.
Transparent process
We ensure smooth flow of goods and services by monitoring the status of each device, the progress of repairs, and the method and quality of packaging to eliminate downtime and transportation damage.
Don’t throw it away. Repair!
At Neethsel HK, we restore PLC devices to full working order, extending their life and reducing replacement costs. With professional repair and load testing, your device can work like new. Take care of your equipment and the environment – choose remanufacturing instead of replacement!

Have us repair your PLC device and receive a working device
To order PLC repair, please fill out the online form “order repair”. In the description, please provide as much information as possible about the device you are requesting to be repaired, which will reduce the time for the quote. You are welcome.
Hotline Service: +48 717 500 983
Email: [email protected]
The most common failures of PLC devices
- Power supply failure
- Processor damage
- Memory failure
- Overvoltage or burnout of input/output circuits
- Communication error with external devices
- Damage to communication ports
- Stopping the process as a result of a program failure
- Processor overload
- Problems with the HMI
- Suspension of the system
- Device configuration error
- Loss of synchronization
- Damage to sensors or peripherals
- Contact corrosion
- Failure of communication modules
- Damage to analog components
- Overheating of components
- Data transfer error
- Electromagnetic interference
- Low quality of input signals