The Nilfisk SC50 Autonomous Floor Scrubber

13 May.,2024

 

The Nilfisk SC50 Autonomous Floor Scrubber

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Guest Blog By: Nilfisk  |  February 18, 2021

In the wake of COVID-19, cleaning teams face more pressure than ever to clean quickly and effectively. Beyond the basics of ensuring facilities are cleaned to the desired standard, cleaners are quite literally tasked with ensuring the health and safety of everyone who enters a facility.

At the same time, workforce challenges continue. Cleaning teams often work at a staffing rate of only 70-75% and the employee turnover rate can be as high as 200%.

These factors combined have led more organizations to embrace autonomous cleaning solutions as a way to stretch their cleaning dollar further.

Cleaning Challenges Solved By Autonomous Floor Scrubbers

  • Labor shortages: Robots never call in sick and they’re happy to do the boring, repetitive work of scrubbing floors.
  • Productivity challenges: Autonomous scrubbers free up your human staff to do higher-value work, effectively doubling your productivity while the machine is working.
  • High labor costs: Autonomous cleaners work on their own, which means you can scrub your floors without any associated labor costs.
  • Inconsistent result: Unlike humans, robots follow the same route and use the same cleaning processes every time, providing consistent results.
  • Proof of clean: Autonomous solutions generate data so you can easily produce reports of what was cleaned and when.

The Nilfisk Liberty SC50 Autonomous Floor Scrubber

Nilfisk was one of the first cleaning equipment manufacturers to introduce autonomous floor scrubbers to the market, and their machines continue to lead the industry in terms of productivity, labor savings, and safety. The Nilfisk Liberty SC50 is a walk-behind floor scrubber designed for full autonomy and developed to deliver consistent results with minimal oversight.

Typical applications:

  • Grocery stores
  • Hospitals and healthcare facilities (the SC50 is EMC certified)
  • Schools and universities
  • Retail malls
  • Airports
  • Office buildings

Key Features and Benefits:

  • Superior cleaning results: The Liberty SC50 is a floor scrubber first and a robot second. It provides up to 6 hours of runtime powered by four AGM 255AH batteries. The SC50 is able to cover 55,000 square feet of coverage on a single charge.
  • Multiple cleaning modes: The Liberty SC50 features three distinct cleaning modes.
    • CopyCat — Drive a route once and the machine will perfectly replicate both the cleaning path and the cleaning process every time.
    • Fill-In — Drive the perimeter of a space and the machine will automatically calculate the best route to clean every inch within that perimeter. Unique to Nilfisk, this cleaning mode delivers up to 99.5% coverage, compared to the 85% typically achieved by a human operator.
    • Manual — For ad hoc cleaning, the machine works just like a regular scrubber dryer.
  • Safety certifications: The Liberty SC50 is the only autonomous cleaning solution that’s third-party certified to CSA/ANSI C22.2 No. 336-2017, the industry safety standard for robotic floor treatment machines. The machine also bears the cETLus mark, meaning it has been independently certified through OSHA's Nationally Recognized Testing Laboratory (NRTL) Program.
  • Agility: Compact and highly maneuverable with a tight turning radius, the Liberty SC50 adjusts in real time to route changes and unexpected obstacles.



  • Simplicity: The Liberty SC50 is easy and intuitive to learn and use. Compared to a traditional scrubber dryer, it has only three additional buttons: Play, Record, and Stop.
  • Sustainability: Nilfisk’s best-in-class sustainability technologies are available on the Liberty SC50.
    • SmartFlow — Automatically adjusts water and detergent flow according to the speed of the machine
    • EcoFlex — Adjusts water and detergent flow according to the demands of the job and enables low-chemical and water-only cleaning
    • REV — Uses Nilfisk’s patented random orbital technology to clean more efficiently using less solution
  • Integrated UVGI module: The Liberty’s optional integrated UVGI (ultraviolet germicidal irradiation) module helps facilities meet the highest hygiene standards. The module, which sits directly behind the scrubber, aims UV-C light at floors at a dosage level that targets pathogens including coronaviruses. The combination of scrubbing and UV-C technologies enables the machine to clean and disinfect in one pass.

Contact your WAXIE Account Consultant to learn more about the Nilfisk Liberty SC50 or other cleaning equipment.

Custom Autonomous Scrubber Maintenance Guide

In recent years, with the widespread use of autonomous cleaning machines in a wide range of industries, they have become an important tool in the field of floor cleaning. To ensure the long-term efficient operation of these intelligent devices, the VIGGO brand offers users a comprehensive "Maintenance Guide for Autonomous Cleaning Machines".



Learn about common troubleshooting issues


Common troubles with floor scrubbers and how to clean them.


● The brush plate has difficulty rotating or does not work:


Possible reasons: There are foreign objects on the brush plate, and the motor is faulty.

Solution: After shutting down, clean the debris on the brush plate and check whether the motor works normally. If there is any problem, the motor may need to be repaired or replaced.


● Poor or no water absorption:

Possible reasons:

The water suction inlet is blocked.

The water suction pipeline is blocked.

The water suction machinery is faulty.

Solution: Clean the water suction inlet and pipeline, and check whether the mechanical part is normal. If there is a fault, the damaged parts may need to be repaired or replaced.


● The water pump is working abnormally:

Possible reasons: Water pump failure, power supply problem.

Solution: Check whether the water pump is working properly. If there is a problem, the water pump may need to be repaired or replaced; ensure the power connection is normal.


● The wastewater tank full prompt is invalid:

Possible cause: Waste water tank sensor failure.

Solution: Check if the sensor is blocked or damaged and repair or replace the sensor if necessary.


● Short battery life:

Possible reasons: The battery is aging, and the charger is faulty.

Solution: Replace the aging battery, check whether the charger is working properly, and repair or replace the charger if there is a problem.


● Control panel issues:

Possible reasons: Circuit failure, damaged button.

Solution: Check whether the circuit connection is normal, replace the damaged button, or repair the circuit.


Routine maintenance


If you are looking for more details, kindly visit VIGGO Video.

Autonomous cleaning machines differ from conventional cleaning tools when it comes to maintenance, and their advanced technology and automation features need to be taken care of properly. Here are some tips from the VIGGO brand to ensure that your Autonomous Cleaner is always looking its best:


1. Regularly clean the bristles and suction nozzles

Cleaning the bristles and suction outlets is a crucial step to ensure that your cleaning machine is functioning properly. Regularly check and remove fibers, hair or other debris from the bristles to prevent clogging and slow down cleaning efficiency.


2. Check sensing and navigation systems

Ensure that the autonomous cleaning machine's sensing and navigation systems are functioning properly. Clean the sensor surface to avoid dust or dirt affecting its accuracy. Regularly check for software updates to the navigation system to ensure that the device can accurately navigate autonomously in complex environments.


3. Maintain the battery and charging system

Regularly check the battery status of the cleaner to ensure that it is charging well. Clean the charging ports and battery slots to ensure that the charging system is functioning properly. When storing the unit, it is recommended to keep the battery at a proper state of charge to prolong battery life.


4. Use suitable cleaning agents

Select the appropriate cleaning agent for your Autonomous Cleaner to avoid damage to the machine and to ensure effective cleaning. When adding cleaning agents, follow the manufacturer's recommendations and avoid using cleaning solutions that are too concentrated or unsuitable.


5. Perform regular maintenance

Carry out regular and comprehensive maintenance in accordance with the maintenance recommendations in the user manual. This includes checking all aspects of the machine's overall structure, tires, motor, etc. to make sure there are no loose parts, wear and tear, or other potential problems.


Common troubles with floor scrubbers and how to clean them

The brush plate has difficulty rotating or does not work:


Possible reasons: There are foreign objects on the brush plate and the motor is faulty.

Solution: After shutting down, clean the debris on the brush plate and check whether the motor is working normally. If there is any problem, the motor may need to be repaired or replaced.


Poor or no water absorption:

Possible reasons: The water suction inlet is blocked, the water suction pipeline is blocked, or the water suction machinery is faulty.

Solution: Clean the water suction inlet and pipeline, and check whether the water suction mechanical part is normal. If there is a fault, the damaged parts may need to be repaired or replaced.


The water pump is working abnormally:

Possible reasons: Water pump failure, power supply problem.

Solution: Check whether the water pump is working properly. If there is a problem, the water pump may need to be repaired or replaced; make sure the power connection is normal.


The waste water tank full prompt is invalid:

Possible cause: Waste water tank sensor failure.

Solution: Check if the sensor is blocked or damaged and repair or replace the sensor if necessary.


Short battery life:

Possible reasons: The battery is aging and the charger is faulty.

Solution: Replace the aging battery, check whether the charger is working properly, and repair or replace the charger if there is a problem.


Control panel issues:

Possible reasons: Circuit failure, damaged button.

Solution: Check whether the circuit connection is normal, replace the damaged button or repair the circuit.


By following these recommendations, you can ensure that your Autonomous Cleaner remains efficient over the long term, improving cleaning results while extending the life of your equipment. Not only will your floors be cleaner and more hygienic with proper maintenance, but the likelihood of equipment failure will be greatly reduced, thus extending the life of the machine and improving your return on investment.The VIGGO brand is committed to providing smarter, more convenient and more reliable cleaning solutions that make it easy to maintain a clean environment.


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