Sunmax RT-120 Use And Maintenance Instruction
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Sunmax RT-120 Use And Maintenance Instruction

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RT-120 Product Use and Maintenance Instructions
SUNMAX Hand Washing Machine

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MARK
April 8, 2025

CANT GET BRUSHS TO REMOVE HAVE ON IN LOWEST POWER MODE

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1 comments:
Mr. Anderson
April 9, 2025

To remove the brushes on a Sunmax RT-120, press button (8) on the control panel (the green light should be on). The brush tray will be automatically removed without manual disassembly.

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Summary of Contents for Sunmax RT-120

  • Page 1 RT-120 Product Use and Maintenance Instructions SUNMAX Hand Washing Machine...
  • Page 2 Symbols used in this manual： Symbol "i" on the Opening Page This symbol represents that you need to see this instruction manual. Opening Book Symbol This symbol represents that the operator needs to read this instruction manual before using the machine.

  • Page 3: Table Of Contents

    Contents Shipping Instructions for the Machine ................4 Main Introductions ........................ 4 Applicable Ambient ....................... 4 Technical Instructions ......................5 Symbol Instructions Involved in the Machine ..............6 Safety Precautions ........................7 Preparation for Machine Use ....................9 1. Preparation before Unpacking the Machine................. 9 2.
  • Page 4 Machine Running........................19 17. Running Process....................... 19 Operating Instruction of Operation Panel................. 21 18. Boot Interface........................21 19. Operation Interface......................21 20. Emergency Button Machine..................... 22 End of Machine Running..................... 23 21. End of Machine Running....................23 Machine Maintenance......................24 22. Daily Maintenance......................24 23.

  • Page 5: Shipping Instructions For The Machine

    Shipping Instruction for the Machine When the cleaning equipment is delivered to the customer, it must be inspected immediately to ensure that all equipment mentioned in the shipping documents have been received, and to see if the machine is damaged during transportation. In the event of an appeal, the receiving party should determine the extent of the machine damage and promptly notify our customer service department to ensure that we can resend you with the missing equipment and compensate for the losses caused by our fault.

  • Page 6: Technical Instructions

    Technical Instructions Unit Of machine Technical Description Measure Standard Brush Tray Motor 2x(24/500) Push Rod Lifting Motor 1x24/15) Driving Motor 1x24/500) Vacuum Cleaner Motor 1x(24/1000) Rotation Speed of Brush Tray Outside Diameter of Brush Tray inch 2x17＂ Pressure of Brush Tray Width of Suction Scraper inch 38.8...

  • Page 7: Symbol Instructions Involved In The Machine

    Symbol Instructions Involved in the Machine Symbol of Main Switch or Key Switch This symbol is displayed on the dashboard, which is used to represent whether the machine is on (ON-)or off (OFF-0). Symbol of Audible Alarm This symbol is used to represent an audible alarm button. Symbol of Reverse Movement This symbol is used to represent an operation of reverse gear button.

  • Page 8: Safety Precautions

    Safety Precautions In order to avoid injury to the operator or damage to the machine, please observe the following regulations carefully. Precautions: Please read the label on the machine carefully. If there is any abnormality, please replace it  immediately. The machine must be used by authorized and trained personnel.
  • Page 9 This machine can be cleaned and dried at the same time. Do not let other people near it  during the operation. If the floor is still wet, relevant signs should be placed for reminding. If the machine does not work properly, please check whether it is caused by failure to carry ...

  • Page 10: Preparation For Machine Use

    Preparation for Machine Use 1. Preparation before Unpacking the Machine The machine is packed in a special wooden box (Fig.1) for forklift loading and unloading. The package cannot be placed on the top of the forklift. The total weight of the machine and package is 666LBS. The size of the package in LxWxH is as follows: L：61.8”...

  • Page 11: Methods For Moving The Machine

    2. Methods for Moving the Machine (Fig. 4) 1. Check that the recycling bin is empty, and empty it if necessary. 2. Check that the brush head and suction scraper are in the lifting position. 3. Place it on the container rack by using the chute.

  • Page 12: Machine Assembly Drawing

    5. Machine Assembly Drawing (Fig. 7) 1. Handle 11. Installation Handle of 21. Sewage Tank Cover 2. Control Panel Suction Scraper 22. Brush Tray 3. Drain Pipe of Sewage 12. Supporting Wheel 23. Electromagnetic Control Tank 13. Anti-collision Wheel Valve 4.
  • Page 13 3. When the batteries are close to their service lifetime, it must be taken out of the battery room by specialized personnel with the help of professional equipment. Discarded batteries are classified as dangerous discarded items, so we must choose a suitable way to dispose of them! Warning: It is recommended that you use protective gloves to avoid serious injuries to your hands.

  • Page 14: Loading And Unloading Of Batteries

    8. Loading and Unloading of Batteries The batteries should be installed in a special container under the seat. They need to use lifting tools with suitable load and volume for loading and unloading. These batteries must also meet the CEI 21-5 standard. The dimensions of the batteries are 340mmx175mmx290. Warning: Regarding the storage and daily charging of the batteries, the instructions of the battery supplier must be carefully followed.

  • Page 15: Battery Connector And Battery Connection Methods

    10. Battery Connector and Battery Connection Methods (Fig. 9) 1. Connect the positive and negative poles of the batteries in series with the jumper cord provided. 2. Connect the connector of the batteries to the positive and negative poles to obtain a voltage of 24V.

  • Page 16: Installation Of Suction Scraper

    11. Installation of Suction Scraper (Fig. 10) 1. Lift the handle rod (A) of the suction scraper and move it upward. 2. Place the suction scraper (B) under the suction scraper mounting seat (C) and align it with the two mounting holes of the mounting seat.

  • Page 17: Disassembly And Installation Of Brush Tray

    14. Disassembly and Installation of Brush Tray (Fig. 12. 13) 1. Please check that the key switch (9) of the machine control panel is in the "ON" state. 2. The speed regulating knob (10) must be set to the lowest gear counterclockwise. Note: This speed regulating knob must be turned to the lowest position, otherwise the action of loading and unloading the brush tray will not be performed.

  • Page 18: Clear Water Tank For Water Injection

    15. Clear Water Tank for Water Injection (Fig. 14. 15) 1. Please check whether the valves (D) of the water pipes on both sides of the water tank have been closed, and if the handle of the valve is in the vertical direction, it will be closed. 2.
  • Page 19 Warning: Please determine whether the detergent is suitable for this machine according to the label instructions of the detergent manufacturer. Do not choose products or solvents without acidity and alkalinity labels. This machine can use acidic or alkaline cleaners with PH value between 4 and 10, but it is required not to contain oxidant, chlorine or bromine, formaldehyde and mineral flux.

  • Page 20: Machine Running

    Machine Running 17. Running Process (Fig. 17. 18. 19) Before starting the work, the following preparations must be made: 1. Please check whether the sewage tank is empty, and if not, you should empty it. 2. Please check whether the sewage pipe has been hung in the buckle at the upper end of the sewage tank.
  • Page 21 to distribute detergent solution. When the suction scraper is in the working position, the vacuum cleaner motor will start to operate. After the machine starts to work, please test run for several meters to check whether the detergent is enough and whether the suction scraper can suck it dry. The machine will work fully until the batteries or detergents are used up.

  • Page 22: Operating Instruction Of Operation Panel

    Operating Instruction of Operation Panel 18. Boot Interface 1. Software version display 2. Battery type (000 stands for lead-acid battery,001 indicates lithium battery,It can be modified by the key combination 'ECO' and 'Install Brush') 19. Operation Interface 1. Working state of the brushing motor: it is displayed when the brushing motor is working, blinks when it is ready, and does not display when it is not working.

  • Page 23: Emergency Button Machine

    2. Working state of the suction motor: when the suction motor is working, it flashes when it is ready, and it does not show when it is not working. 3. Water gear: The number of drops ranges from 0 to 3 respectively represent different water gear;...

  • Page 24: End Of Machine Running

    End of Machine Running 21. End of Machine Running (Fig. 21. 22) At the end of the machine running, please do the following operations for any type of maintenance: 1. Move the machine to a place convenient for sewage discharge. 2.

  • Page 25: Machine Maintenance

    Machine Maintenance 22. Daily Maintenance At the end of the machine running, please do the following operations for any type of maintenance: 1. Clean the sewage tank and sewage. For details, please refer to the related contents in the chapter "End of Machine Running" above for specific operations. 2.
  • Page 26 (4) Remove the rubber scraper (E) and replace it. 4. Adjust the height of the suction scraper depending on the rubber scrapers (adjust according to items 21 and 22). Warning: Please disconnect the power supply and pull out the starting key during maintenance.

  • Page 27: Fault Handling

    Fault Handling 25. Machine that Cannot be Started 1. Check whether the batteries are fully charged. 2. Confirm whether the power system connector is connected to the batteries. 3. Check whether the main switch is turned ON (in the ON position). 26.

  • Page 28: Generation Of Excessive Foam

    29. Generation of Excessive Foam 1. Please check whether low-foam detergent is used. If necessary, add a small amount of defoaming liquid into the recycling bin. 2. It should be noted that when the floor is not very dirty, the machine will produce more foam. In this case, a thinner detergent should be prepared.

  • Page 29: Fault Code

    32. Fault Code LED flashing Fault Content Fault Codes Flash 1 time Pre-charge fault 1 E[01] Flash 3 times PVDD1 over-voltage fault E[03] Flash 4 times PVDD1 undervoltage fault E[04] Flash 7 times 12V-CPU overvoltage fault E[07] Flash 8 times 12V-CPU undervoltage fault E[08] 1 slow and 2 fast...
  • Page 30 4 slow and 3 fast Traction motor B-phase MOS voltage high fault E[43] 4 slow and 4 fast Traction motor B-phase MOS voltage low fault E[44] 4 slow and 5 fast Brush motor MOS voltage high fault E[45] 4 slow and 6 fast Brush motor MOS voltage low fault E[46] 4 slow and 7 fast...
  • Page 31 8 slow and 6 fast Output point 1 open circuit fault E[86] 8 slow and 7 fast Output point 1 short-circuit fault E[87] 8 slow and 8 fast Output point 2 open-circuit fault E[88] 8 slow and 9 fast Output point 2 short-circuit fault E[89] 8 slow and 10 fast Output point 3 open-circuit fault...

  • Page 32: Machine Discarding

    Machine Discarding 1. To discard the machine, please take it to the disassembly center or an authorized machine collection center. 2. Before scrapping the machine, the following materials must be disassembled and separated, and sent to the appropriate machine collection center according to the current environmental health regulations: (1) Brush (2) Filter...

  • Page 33: Instructions For Use And Maintenance Of Charger

    Instructions for Use and Maintenance of Charger 33. Use and Connection of Battery Charger(Fig. 26) 1. Move the machine near the battery charger. 2. Make sure the sewage tank is empty, if not, empty it. 3. Check that the key switch (9) of the machine control panel is in the OFF state. 4.
  • Page 34 Please read this manual carefully before using it. The right of interpretation of this manual will be reserved by our company. The exterior of the product is subject to material objects. Additional notice will not be informed if there is a technical or software upgrade.
  • Page 35 1 Safety Instructions 1 Notice for AC input, charging output and connecting wires . 1) The specification in line with safety standards of the three-hole socket should be selected as a Charger AC input socket. Choose the larger size fire retardant wire inline which fits safety standards and rules based on the overall line length.
  • Page 36 the wiring, function, etc. 4 The input of charger power must be installed over current thermistor. Do not replace it by any non professional personnel. 5 Do not detach the charger. There is high voltage inside the charger. Non-professionals are strictly prohibited to open the shell! 6 Users should remove the dust of the charger shell at least half a year.
  • Page 37 permanent damage to the battery pack, and brings serious economic losses. 2)AC power wire, DC charging cable polarity and precautions AC input wire is at the rear of the charger. L, N, and Earth are marked on the input line plug. Please distinguish correctly. L, N, Earth on AC plug should correspond with those of socket outlets.
  • Page 38 red light begins to glimmers. The green light turns on after finishing the charging. At this time, please disconnect the plug between the charger and alternating current. 3 Specifications and data ■ Schematic diagram of electrical principle Battery charger AC input DC output Grounding...
  • Page 39 ■ Product series Product series: BB：3.3kw B series with die-casting case ； B：3.3kw series with die-casting case ； LE：2.0kw E series with die-casting case ； LD：2.0kw D series with die-casting case ； LC：2.0kw C series with die-casting case ； SC：1.5kw C series with die-casting case ； ME: 1.35kw E series with die-casting case ；...
  • Page 40 4 Troubleshooting 1) LED Indicator Status Indicator label Red light flashes every one seconds.Battery level＜80%； Charging： Red light Yellow light flashes every flicker； Battery one seconds.Battery level ＞ Indicator 80%； Full：Green light is glowing； Green light flashes every one seconds.Battery level 100% Empty load Green and red light will be alternately flashes Over voltage,Over current: Red Green Red...
  • Page 41 Input AC anomaly: Red Green Red Green Red Integrated fault : Green Red Green Full Green light was glowing ※ Notes:1." ":The fault charger with communication "communication failure". 2.The status of the indicator in the upper table is the default status of our factory.If customer specifies the indicator status, the declaration that the indicator status is posted on the shell of the charger shall prevail.
  • Page 42 2) Common fault and solution Indicator State Fault indication Solution “-”show pause Check if these happen:the connection of battery and charger Red Green Without load is loose, the battery reversed, or the battery voltage is too low. Red-Green-Red Over voltage or If the error opens again after - - - over current...
  • Page 43 ※ Notes: “ ”:The charger with communication needs to check the communication connection line. 5 After Sales Service Warranty Description Dear Users: Thanks for using our power supply. Our company will provide you with quality service based on relevant regulations. The following situations are within the warranty period:Within the warranty period, the damage caused by transportation or product quality.
  • Page 44 ■ Safety Utilization of Electric Power Our charger belongs to Class I electrical appliance, please be aware of safety issues while using it! A reliable grounded power supply must be applied; the ground wire of the power supply should be buried in the ground, and it should not be connected to utilities such as water pipes;...

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