Nilfisk-Advance Liberty SC50 Instructions For Use Manual
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Nilfisk-Advance Liberty SC50 Instructions For Use Manual

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Nilfisk Liberty SC50
Instructions for Use
2/2019 REV A
Form no. 56091204
Model No:
56104502 (X20D), 56104506 (X20D), 56104508 (X20D)
56104503 (X20R), 56104507 (X20R), 56104509 (X20R)
WARNING:
The operation of this machine is strictly reserved to trained and qualified operators.
ADVERTENCIA:
El funcionamiento de esta máquina está estrictamente reservado a los operadores capacitados y calificados.
Instructions for Use
Original Instructions
Instrucciones de uso
A-English
B-Español

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  • Page 1 Nilfisk Liberty SC50 Instructions for Use Instructions for Use Original Instructions Instrucciones de uso 2/2019 REV A A-English B-Español Form no. 56091204 Model No: 56104502 (X20D), 56104506 (X20D), 56104508 (X20D) 56104503 (X20R), 56104507 (X20R), 56104509 (X20R) WARNING: The operation of this machine is strictly reserved to trained and qualified operators.

  • Page 2: Table Of Contents

    Note: Bold numbers in parentheses indicate an item illustrated on pages A-10 – A-14. This machine is only suitable for commercial use, for example in hotels, schools, hospitals, factories, shops, offices and rental businesses. The Nilfisk Liberty SC50 is a battery powered floor cleaning machine. WARNING: The operation of this machine is strictly reserved to trained and qualified operators.

  • Page 3: Parts And Service

    Locations” to secure the machine during transport. Using any other location of the machine to tie down the machine may cause damage or injury. • The machine’s electromagnetic brake is engaged (not manually overridden), see Electromagnetic Brake section if necessary. 2/2019 56091204 - Nilfisk Liberty SC50 A - 3...

  • Page 4: Cautions And Warnings

    Do not look at the laser beams used by the machine. Permanent eye damage could result. Lasers are eye-safe if viewed briefly, such as to determine that they are functioning. Do not look directly into lasers or stare at them without wearing protective laser safety glasses. A - 4 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 5 Operator’s responsibility to avoid contact with obstacles and individuals. The machine will not avoid them in the manual operating mode. There are no autonomous safety functions operating in the manual mode. 2/2019 56091204 - Nilfisk Liberty SC50 A - 5...
  • Page 6 When using a commercially available switching regulator, ground the frame ground terminal and ground terminal. • Do not use this product outdoors or in a location in which its light-receiving surface will come in direct contact with stray ambient light. A - 6 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 7 • Do not open the housing (opening the housing will not switch off the laser). • Pay attention to the laser safety regulations as per IEC 60825‑1 (latest version). 2/2019 56091204 - Nilfisk Liberty SC50 A - 7...
  • Page 8 Safety sensor including its accessories are subject to change without prior notice for the improvement. • Safety sensor should be disposed as industrial waste or in accordance with the local disposal directives. SAVE THESE INSTRUCTIONS A - 8 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 9: Regulatory

    880-915 832-862 2570-2620 2300-2400 2400-2483,5 5150-5350 5470-5725 This product contains the chemical DOTE (2-ethyihexyl 10-ethyl-4,4-dioctyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate; CAS number: 15571-58-1) which is listed on the candidate list of the EU REACH Regulation (1907/2006/EC). 2/2019 56091204 - Nilfisk Liberty SC50 A - 9...

  • Page 10: Know Your Machine

    Tie Down Locations (3) 15 3-D Vision Sensor Lenses Drive Wheel 16 Drop-Off Sensor (4) Solution Drain Valve 17 Safety Sensor (2) Scrub Deck 18 Bumper (NOT a lifting or tie down point) A - 10 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 11 42 Fuse Holder Boot (Main Fuse 100 Amp) 30 Rear Squeegee Blade Removal Latch 43 Machine Battery Connector 44 Location Tag 31 Battery Charger 32 Solution Solenoid Valve 47 Recovery Tank Gasket 2/2019 56091204 - Nilfisk Liberty SC50 A - 11...

  • Page 12: Control Panel

    Display (see Control Panel-Continued) Vacuum Switch Information Switch & Navigation Switches One-Touch Scrub ON/OFF Switch Magnetic SmartKey™ ™ Extra Pressure Switch -Blue = User Burst of Power Switch -Yellow = Supervisor A - 12 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 13 FIRST = Detergent Low Mode X15 Fault Code (Critical) SECOND = Detergent High Mode X44 Date Display (Year/Month/Day) NONE = Off X45 Time Display (Local) X46 Time Display (Coordinated Universal Time) 2/2019 56091204 - Nilfisk Liberty SC50 A - 13...
  • Page 14 X23 Solution Tank Empty Indicator X33 Resume Plan Available Indicator X34 Spinning Arrows / Downloading Firmware X24 Impact Lockout Indicator X25 Autonomous Indicator X38 Remove Key Indicator X39 Save Plan Indicator A - 14 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 15: Information Menu Display

    Remove all keys from the current approved user key list Options Supervisor selectable options Language English* Menu display language Light Scrub Startup Heavy Scrub level at start Last Used* Light Scrub Max Maximum scrub level allowed Heavy* *Default setting 2/2019 56091204 - Nilfisk Liberty SC50 A - 15...
  • Page 16 = 10 min = 5 max = 60 Inactivity time before putting machine in sleep Inactivity Time (min) step = 5 mode (minutes) default = 15 *Default setting A - 16 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 17 Set current time, hours in 24-hour format Minute Set current time minutes Date/Time/Timezone Second Set current time seconds Year Set current year Month Set current month Set current day *Default setting 2/2019 56091204 - Nilfisk Liberty SC50 A - 17...
  • Page 18 Change Location Tag Forget the current tag and scan for a known tag **Only visible with yellow (Supervisor) SmartKey. ***Only visible to blue User key if permission is granted by Supervisor. A - 18 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 19: Autonomous Help Screen (Informational Messages)

    Not on a recorded plan Manual Mode Display Not on plan: make plan Batteries have been LOW BATTERY discharged to the level of (X13) No Autonomy functions “Low voltage cutout” 2/2019 56091204 - Nilfisk Liberty SC50 A - 19...

  • Page 20: Autonomous Help Screen (Actions/Commands)

    Change Location tag Back Select Tag:4** *Tag: 0 . . moving “0” indicates that machine is actively scanning for a location tag. **Tag: “x” where “x” is the location tag ID number. A - 20 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 21: Understanding Autonomy

    UNDERSTANDING AUTONOMY The Nilfisk Liberty SC50 can function autonomously meaning that it functions (operates) on its own, on a plan determined by an operator without further operator involvement. The machine can record an area to clean independently and actively maneuver around certain obstacles.

  • Page 22: Prepare The Machine For Use

    Connect the machine’s main power cables to the batteries. Close the recovery tank cover. When changing batteries or the charger, please contact a local authorized service center for correct battery, charger and machine settings to prevent battery damage. 255A/H-20HR-RATE A - 22 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 23: Location Tag

    Display will change and machine will begin actively scanning for a location tag. Moving “0” indicates machine is actively scanning for a location tag. After tag is scanned, machine will emit a two tone ascending sound and the display will show location tag ID # (xxx). 2/2019 56091204 - Nilfisk Liberty SC50 A - 23...
  • Page 24 Press right arrow to choose “Yes”. Press right arrow to “Select”. After tag is scanned, machine will emit a two tone ascending sound and the display will show location tag ID # (xxx). A - 24 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 25: Magnetic Smartkey

    3. Additional access is available as a “Technician”. The service menu allows observing operational and user parameters. The configuration menu allows adjusting machine settings. See Service Manual for more details. FIGURE 2-3 2/2019 56091204 - Nilfisk Liberty SC50 A - 25...

  • Page 26: Install The Brush (Disc System)

    (from the right side of the machine, turn the outside edge of brush towards the rear of machine as shown (AE)). NOTE: During operation the brush should rotate in direction (AF). FIGURE 2-4 A - 26 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 27: Install The Pad (Rev System)

    SPP pad on the floor centered on the red pad. Lower the deck to the floor on top of the maroon SPP pad and check that it is centered. NOTE: Never attach a maroon SPP pad directly to the pad driver, damage to the pad driver will result requiring replacement. FIGURE 2-5 2/2019 56091204 - Nilfisk Liberty SC50 A - 27...

  • Page 28: Install The Squeegee

    Move the machine ahead slightly. If necessary adjust the rear squeegee height using the Rear Caster Wheel (AD) so that the rear squeegee blade touches the floor evenly across its entire width and is bent over slightly as shown in the squeegee cross section (AE). FIGURE 2-6 A - 28 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 29: Fill The Solution Tank

    Install the Dry Break Cap (AA) as shown in Figure 2-8. The system should be purged of previous detergent when switching to a different detergent (see “To Purge When Changing Detergent” in the Detergent System Use Section). 2/2019 56091204 - Nilfisk Liberty SC50 A - 29...

  • Page 30: Detergent System Use (Ecoflex)

    When the detergent level is nearing the bottom of the cartridge it is time to refill or replace the cartridge. SERVICE NOTE: Follow the “To Purge Weekly” instructions above if the machine is going to be stored for an extended period of time. A - 30 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 31 FIGURE 2-9 Chemical Free Cleaning Mode / Detergent Off Detergent Low Mode Detergent High Mode Burst of Power Cleaning Mode Purge Press and hold (J) & (K) for 2 seconds to purge. 2/2019 56091204 - Nilfisk Liberty SC50 A - 31...

  • Page 32: Operating The Machine

    Do not operate autonomously when ambient RF signal falls at or near the frequency range of 340 MHz to 460 MHz. Operating Modes The Nilfisk Liberty SC50 has three operating modes: • Manual Operating Mode: Provides normal functioning of the machine, without autonomy. In this mode the machine is driven and controlled by an operator, and operates in a conventional manner.

  • Page 33: Stopping The Machine

    • To reset the machine functions, rotate the emergency stop clockwise. NOTE: Machine steering still works with the Emergency Stop activated. • A temporary resume area will not be created if Emergency Stop is pressed (plan playback will have to begin at the plan’s start area). FIGURE 3-1 2/2019 56091204 - Nilfisk Liberty SC50 A - 33...

  • Page 34: Recording For Autonomous Mode

    3-2. NOTE: Horn will only be recorded if it’s pressed while the machine is moving. Horn is not recorded if pressed while the machine is stopped. b. The reverse switch is not selectable while recording. FIGURE 3-2 Map Area Plan Start Point Plan Start Area Plan Route Permanent Obstacle Plan Stop Point A - 34 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 35 2 beeps to indicate that it is within the start area of a saved plan. b. If plan fails to save the screen will display a fault code. Machine LED Status Bar will change from green to OFF. 2/2019 56091204 - Nilfisk Liberty SC50 A - 35...

  • Page 36: Recording Fill-In Plans

    **Operator will hear two beeps as machine is driven into a start area and one beep as it exits the start area. Map Area Plan Start Point Plan Start Area Recorded Route Playback Route Permanent Obstacle Plan Stop Point FIGURE 3-3A FIGURE 3-3B RECORD PLAYBACK A - 36 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 37 If plan saves successfully the machine will emit 3 ascending tones. b. If plan fails to save the screen will display a fault code. 10 Machine LED Status Bar will change from green to OFF. 2/2019 56091204 - Nilfisk Liberty SC50 A - 37...
  • Page 38 Machine Direction at Plan Start Machine Direction at Plan Stop FIGURE 3-7 Optional FIGURE 3-5 Correct FIGURE 3-6 Incorrect A - 38 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 39 Machine will recognize the plan by an audible alert (2 beeps), lighting the appropriate LED either CopyCat or Fill-In that corresponds to the plan. c. Press Autonomous Help Screen Switch (S) to enter Autonomous menu, choose “Delete this plan”. 2/2019 56091204 - Nilfisk Liberty SC50 A - 39...

  • Page 40: Playback Of Recorded Plan, Autonomous Mode

    (this is to allow any remaining water to be picked up without turning the vacuum back on). c. After a set time the machine will enter a sleep mode to save battery power. FIGURE 3-8 A - 40 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 41 After returning to where the recording was paused, the machine will beep twice and display Resume Plan Available Indicator (X33) as it enters the “resume area”. Press the Play Switch (V) to resume and finish cleaning the plan. FIGURE 3-9 2/2019 56091204 - Nilfisk Liberty SC50 A - 41...
  • Page 42 In all cases the machine stops moving, the scrub deck stops and raises to the vac only height and the vacuum will run briefly until it times out. Then all functions turn off. Operator must return to the machine to clear/eliminate error. SmartKey must be placed on reader to access menu or restart. A - 42 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 43: Led Status Bar Operation

    Plan Saved Successfully Autonomous Three note ascending tone plan has been saved successfully Alerts anyone in the area that machine is Playback to Begin Autonomous Two second beep about to start moving 2/2019 56091204 - Nilfisk Liberty SC50 A - 43...

  • Page 44: Operating The Machine Manual Mode

    The squeegee will raise up after a brief delay and the vacuum will stop after an additional delay. Transport the machine to a service area and recharge the batteries according to the instructions in the Battery section of this manual. A - 44 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 45 INSTRUCTIONS FOR USE ENGLISH - A FIGURE 3-11 2/2019 56091204 - Nilfisk Liberty SC50 A - 45...

  • Page 46: After Use

    This may take 8-12 hours depending on the battery status. Always have the charger plugged into an AC outlet if the machine will not be used for a longer period of time to keep the battery(s) • charged. A - 46 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 47: Maintenance

    Check the condition of the tank cover gasket (47) and the area it seats against. They should be clean to create a good seal. NOTE: The Gasket (47) allows the creation of a vacuum in the tank, which is necessary to suck up the recovery water. 10 Close and latch the recovery tank cover. 2/2019 56091204 - Nilfisk Liberty SC50 A - 47...

  • Page 48: Cleaning Solution Filter

    Clean all Safety Sensor lenses (17) using an optical grade microfiber cloth dampened with lens cleaning solution. • • Clean 2D Mapping Sensor lens (14) using an optical grade microfiber cloth dampened with lens cleaning solution. FIGURE 4-3 A - 48 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 49: Lubricating The Machine

    IMPORTANT: The steering is controlled electronically rather than by mechanical linkage. This means that whenever the power is off the machine cannot be steered using the steering wheel. 2/2019 56091204 - Nilfisk Liberty SC50 A - 49...

  • Page 50: Charging Gel/Agm (Vrla) Batteries

    When the Control Panel Housing (20) is opened it creates a pinch point between the LED lens and the solution tank. Do not route the power cord through this area or the cord will be pinched and may be damaged. A - 50 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 51 Standard constant current or taper current chargers MUST NOT be used. A temperature-sensing charger is recommended, as manual adjustments are never accurate and will damage any VRLA battery. FIGURE 4-8 Advancing Advancing Advancing Advancing Solid Orange Yellow Green Green 2/2019 56091204 - Nilfisk Liberty SC50 A - 51...

  • Page 52: Squeegee Maintenance

    Adjust the squeegee tilt using the Rear Caster Wheel (AC) so that the rear squeegee blade touches the floor evenly across its entire width and is bent over slightly as shown in the squeegee cross section (AI). FIGURE 4-9 A - 52 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 53: Troubleshooting

    Place a SmartKey that has been programmed to be used with -Magnetic SmartKey present on the SmartKey Reader this machine onto the SmartKey Reader. (A) is not programmed to be used with this machine. 2/2019 56091204 - Nilfisk Liberty SC50 A - 53...

  • Page 54: Autonomous Mode Troubleshooting

    Plan playback in Screen then re-scan Location tag and replay plan unexpected area (area Plan shift • If current plan never played back successfully - with no recorded plans) Re-record plan A - 54 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 55: Fault Code Display

    Actuator 1 Output Stall Fault 2-026 Actuator 1 Output Open 2-077 M7 Deck Actuator Output Stall 2-027 M7 Actuator Output Open 2-078 Actuator 3 Output Stall Fault 2-028 Actuator 3 Output Open 2-081 EEPROM Fault 2/2019 56091204 - Nilfisk Liberty SC50 A - 55...
  • Page 56 User Fault Severe Steering System Ready Input (Switch 2) 3-027 Supervisor Fault S2 Emergency Stop Switch Input (Switch 3) 3-028 Supervisor Fault Autonomous System Okay Input (Switch 4) 3-029 Supervisor Fault A - 56 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 57 A4 Amps High Range 4-027 Analog Sum Fault 4-028 Failure Parallel Potentionmeter 4-029 Steering Sensor Input is Shorted to 5V 4-030 Analog Input 1 (AIN1) Fault 4-031 Steering Wheel Sensor Input Fault 2/2019 56091204 - Nilfisk Liberty SC50 A - 57...
  • Page 58 Step off the Machine, drive to resume plan and press play 5-F462 Conflicting plans Delete desired plan from starting area 5-F470 User Cancel No Action Required 5-F474 Fail Record/No Home Drive to the home position, set home, then record plan A - 58 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 59 Restart Machine and repeat operation 5-F5B4 No Obstacle Detect Reboot Machine 5-F5B7 L Safety Sensor Assy Contact Nilfisk 5-F5B8 R Safety Sensor Assy Contact Nilfisk 5-F5B9 Clean Brd Ver Contact Nilfisk 2/2019 56091204 - Nilfisk Liberty SC50 A - 59...
  • Page 60 Re-record smaller plan 5-F673 Fail End Recording Reboot Machine 5-F677 Cancel Recording Reboot Machine 5-F692 Clean Board Comm Reboot Machine 5-F693 Clean Board Object Reboot Machine 5-F694 No SDO Data Reboot Machine A - 60 Nilfisk Liberty SC50 - 56091204 2/2019...
  • Page 61 Out of Range Mode Reboot Machine 5-FE24 Lost Comms Power Cycle Machine 5-FE32 Buffer Full Power cycle Machine 5-FE33 Clean Board Timeout Reboot Machine 5-FE34 Clean Board Queue Err Reboot Machine 2/2019 56091204 - Nilfisk Liberty SC50 A - 61...
  • Page 62 E-0-3-6 Battery temperature sensor is missing or shorted 8-E037 E-0-3-7 CAN Open reprogramming failed 8-E038 E-0-3-8 Fan will not turn 8-E040 E-0-4-0 Fan voltage pulled low 8-0098 General USB Fault 8-0099 Unknown Fault A - 62 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 63: Fault Code History

    Fault History [Fault History] _________________ Fault History (1/5) Fault Code Drive Hours 1-003 0007.7 Fault Code Description K1 Contact Weld ___________________________________________ Back Scroll Back [Back] Scroll [Scroll] 2/2019 56091204 - Nilfisk Liberty SC50 A - 63...

  • Page 64: Specifications

    20” Disc 0.4 liters/minute 0.9 liters/minute 1.3 liters/minute 0.09 GPM / 0.12 GPM / 0.15 GPM / 20” REV 0.3 liters/minute 0.5 liters/minute 0.6 liters/minute * Flow rates are proportional to speed A - 64 Nilfisk Liberty SC50 - 56091204 2/2019...

  • Page 65: Technical Specifications

    *Gross Vehicle Weight: Standard machine without options, full solution tank and empty recovery tank, with removable scrub brushes, batteries installed and 165 lb / 75 kg operator. **Transportation Weight: Standard machine without options, empty solution and recovery tanks, with batteries installed and no operator. 2/2019 56091204 - Nilfisk Liberty SC50 A - 65...

  • Page 66: Glossary

    The route the machine will travel while cleaning. Recorded cleaning path, which includes the route the machine will travel and desired Plan scrub settings. Scan Machine using it’s 3-D Vision Sensor to view and identify a location tag A - 66 Nilfisk Liberty SC50 - 56091204 2/2019...

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