USER MANUAL S20
Contents
1. Never free wheel your power scooter a slope Never free wheel the motors while operating your vehicle Always remember to engage the motors before turning the power ON PLEASE TURN OFF THE POWER BEFORE FOLDING UNFOLDING POWER SCOOTER Electromagnetic Brakes Your power scooter comes with Electromagnetic Brakes i e an automatic magnetic disc safety brake which is also known as Fail Safe brake The electro magnetic Brakes are automatic and work when the power scooter is ON but in a steady state i e Wigwag is released to the neutral position even when the scooter is on a slope The Electromagnetic Brakes will also be set whenever the power scooter is OFF but the motor levers are in the engaged vertical position Parking brake There is an automatic parking brake function included in the electromagnetic brake The scooter will stop when the motor is engaged and the power switch is off or when the power switch is on and the wigwag is in the neutral position If the scooter is in the free wheel mode motor is disengaged you can use the manual parking brake function by moving the engaging disengaging lever back into the engaged position by an attendant Thermal Protection Your power scooter controller is equipped with a safety system called thermal rollback A built in circuit monitors the temperature of the controller and motor In case of excessive heat of the controller and motor the controller will cut off the2. 1 Do not modify your power scooter in any way not authorized by Heartway Do not use accessories if they have not been tested or approved for Heartway products Changing of controller parameter shall be only performed by authorized technicians due to the safety concern 2 Getto know the feel of your power scooter and its capabilities Heartway recommends that you perform a safety check before each use to make sure your power scooter operates safely PWNP Ds MS 4 Inspections prior to using your power scooter If equipped with pneumatic tires please check for proper tire inflations Please check all electrical connections and make sure they are tight and not corroded Please check all harness connections and make sure they are secured properly Please check the brakes Weight limitation Please refer to the specifications table for weight capacity information Power scooter is rated for a maximum weight capacity Stay within the specified weight capacity for your scooter Exceeding the weight capacity voids your warranty Heartway will not be held responsible for injuries or property damage resulting from failure to observe weight limitations Don t carry passengers on scooters Carrying passengers on scooter may affect the center of gravity resulting in a tip or a fall Tire inflation If your scooter is equipped with pneumatic tires it is necessary to check the air pressure at least one time a week Proper inflatio
3. Battery Charging section of this manual 2 High Low Speed Adjustment This allows you to pre select your desired speed The adjuster is proportional to speed and can be set anywhere between minimum and maximum Turn the adjuster knob counter clockwise to minimum for a very gentle operation and clockwise towards maximum to increase your speed 3 Power ON OFF Light The light will turn on if you insert the key The light will turn off if you take out the key 4 Horn button Press this button to sound the horn Easy operation for left hand or right hand 13 Driving A Controller ON OFF Switch Insert the key to power on the scooter Remove the key to power off Swing the finger lever control forward or backward to control the driving direction of the scooter The finger lever control is located at both sides of the controller and the returning of the finger lever control to its neutral position center will reduce the speed and stop the vehicle by automatically applying the electro magnetic brakes Finger Lever Control Maximum Force Applied on Lever is 4N B Speed Control Turn the adjuster knob clockwise towards maximum to increase your speed and counter clockwise toward minimum to slow down your speed C Finger Lever Control The finger lever control can also control the speed of your vehicle The deeper you press on the finger lever forward backward the faster the vehicle will go Notes gt After inserting the
4. 12 Don t remove anti tipper if there is any tipper equipped with the scooter 13 Contact with tools can cause electrical shock and do not connect an extension cord to the AC DC converter or the battery charger 14 Do not attempt to lift or move your scooter by any of its removal parts such as the armrests seats or shroud 15 When climbing an incline don t drive at an angle up the face of the incline Drive your scooter straight up the incline This greatly reduces the possibility of a tip or a fall 16 Don tclimb a slope steeper than the scooter s limitation 17 Don t attempt to have your scooter proceed backward down any step curb or other obstacle This may cause the scooter to fall or tip 18 Always reduce your speed and maintain a stable center of gravity when cornering sharply Don t corner sharply when driving scooters at higher speeds 19 Operating in rain snow salt mist conditions and on icy or slippery surfaces may have an adverse affect on the electrical system 20 Never sit on your scooter when it is being used in connection with any type of lift or elevation product Your scooter is not designed with such use in mind and any damage or injury incurred from such use is not the responsibility of Heartway 21 Surfaces of the power scooter that can come into direct contact with the occupant s skin and or assistant s skin during normal use and that are within occupant reach shall not exceed 41 C The motor surface can reac
5. DRIVE WHEEL FRONT CASTER WHEEL REAR CASTER ANTI TIPPER 115kgs 250 Ibs 18 Pneumatic tire 10 3 5 Pneumatic tire 9 5 3 40mm 6km hr Lithium Batteries 24V 14 5Ah 20 KM 2 A Charger P amp G S Drive 70 A 2 0W 42 kg 40kg BATTERY SPECIFICATIONS BATTERY RANGE CONTROLLER TYPE WEIGHT W BATTERY WEIGHT W O BATTERY TURNING RADIUS full suspension 18 BACK HEIGHT GROUND CLEARANCE otatic Stability 60mm 12 Degree Dynamic Stability FOOTRESTS 6 Degree 5 8 2 2 2 5 gt gt 2 1219520 E gt x n D m m uU Zx JJ U m liz m m vls O d 20 m 49 4 O 5 z m 2 m m n RS Type S20 Manufacturer Heartway Maximum occupant mass 115 kg Disclosure information ISO 7176 15 1996 ma mim max mi Overall length with EE bu m leg rest j Overall width s8mm Effective seat depth p 940 mm Folded length 990mm 9 Effective seat width S law Totalmass 58kg 3t Mass of the e i Backrest height 340 mm heaviest part 9 Static stability P Static stability 5 consumption structure Dynamic stability T Maximum speed Minimum turning radius Minimum RES braking distance Minimum turn around Width 1640 mm from max speed Remarks The stability tests were performed in the least stable positio
6. as soon as it is safe 4 Be aware that adding accessories or components or modifying the powered scooter may make it more susceptible to interference from radio wave sources Note It is difficult to evaluate the effect on the overall immunity of the powered scooter 5 Report all incidents of unintended movement or brake release to the powered scooter manufacturer and note whether there is a radio wave source nearby TURN OFF YOUR POWERED SCOOTER AS SOON AS POSSIBLE WHEN EXPERIENCING THE FOLLOWING gt Unintentional scooter movements gt Unintended or uncontrollable direction Unexpected brake release The FDA has written to the manufacturers of power scooters asking them to test new products to be sure they provide a reasonable degree of immunity against EMI The FDA requires that a powered scooter should have an immunity level at least 20 V m which provides a reasonable degree of protection against more common sources of EMI The higher the immunity level the greater the protection Your powered scooter has an immunity level of 20 V m which should protect against common sources of EMI Warning The scooter itself can disturb the performance of the electromagnetic fields such as emitted by alarm systems of shops PRODUCT SPECIFICATION P NM W O O O O O oO O oO O o C1 3 35 131313 35 3 3 131313 3 3 o WEIGHT CAPACITY SEAT TYPE SIZE
7. can rust and the electronics can be damaged Batteries that are regularly and deeply discharged infrequently charged stored in extreme temperatures or stored without a full charge may be permanently damaged causing unreliable performance and limited service life It is recommended that you charge the batteries periodically throughout periods of prolonged storage to ensure proper performance You may wish to place several boards under the frame of your power scooter to raise it off of the ground during periods of prolonged storage If you plan on not using your power scooter for an extended period of time it is best to GUE QL Fully charge its batteries prior to storage Disconnect the batteries from the scooter Store your power scooter in a warm dry environment Avoid storing your power scooter where it will be exposed to temperature extremes Operating conditions 25 C 50 C and Storage conditions 40 65 Batteries that are regularly and deeply discharged infrequently charged stored in extreme temperatures or stored without a full charge may be permanently damaged causing unreliable performance and limited service life It is recommended that you charge the power scooter batteries periodically throughout periods of prolonged storage to ensure proper performance Seat Belt Seat belt is regarded as optional accessory for S20 power scooter 12 OPERATION OF CONTROL PANEL The power scooter is simple to operat
8. key into controller ON OFF port the light of power ON OFF will turn on for a few seconds during self checking process When the vehicle is in operation the surface of the charger will become slightly warm n case of emergency let go of the finger lever control and the vehicle will come to a stop Control Panel Display 1 The control panel display is a multifunction visual display It can provide a lot of information of the vehicle When the needle falls into the red sector your batteries are low on power and need to be recharged It is wise to recharge your batteries when the needle enters the red zone The remaining battery needle only goes lower when using the battery regardless the battery voltage The remaining battery meter needle goes higher only when recharging battery in progress 2 System will power off when the battery voltage is lower than 21 0V 3 System will be automatically power off when the vehicle is not in use over 30 minutes You need to remove the key and insert the key to restart the scooter 14 1 The motors are designed to engage the electromagnetic brakes when the vehicle is not in use or when the power is OFF They also have a manual feature that allows them to free wheel so the scooter can be moved without turning it on Free wheeling is accomplished by adjusting the free wheeling switch to the free wheeling position 2 Engaging in freewheel mode will have the function as parking brake Warning
9. DA suggests that the following statement be incorporated to the user s manual for all power scooter like the S20 Power scooters may as susceptible to electromagnetic interference EMI which is interfering electromagnetic energy emitted from sources such as radio stations TV stations amateur radio HAN transmitter two way radios cellular phones and alarm systems of shops The interference from radio wave sources can cause the power scooter to release its brakes move by itself or move in unintended directions It can also permanently damage the powered scooter s control system The intensity of the EM energy can be measured in volts per meter V m Each powered scooter can resist EMI up to a certain intensity This is called immunity level The higher the immunity level the greater the protection At this time current technology is capable of providing at least 20 V m of immunity level which would provide useful protection against common sources of radiated EMI Following the warnings listed below should reduce the chance of unintended brake release or powered scooter movement that could result in serious injury Donotturn on hand held personal communication devices such as citizens band CB radios and cellular phones while the powered scooter is turned on 2 Beaware of nearby transmitters such as radio or TV stations and try to avoid coming close to them 3 funintended movement or brake release occurs turn the powered scooter off
10. LY CHECKS Visual check on the conditions of tires 2 Inspect the battery condition meter on the controller to determine if batteries need to be charged MONTHLY CHECKS 1 Visually inspect the controller harnesses Make sure that they are not frayed cut or have any exposed wires SEMI ANNUAL CHECKS 1 Check the motor brushes We recommended that your authorized dealer inspect the brushes every six months or sooner if your power scooter is not operating smoothly If inspection determines excessive wear on the brushes they must be replaced or motor damage will result Disposal of Your Power Scooter Your power scooter must be disposed of according to applicable local and national statutory regulations Contact your local waste disposal agency or authorized dealer for information on proper disposal of power scooter packaging metal frame components plastic components electronics batteries neoprene silicone and polyurethane materials 17 CHECKS Make sure to keep the controller clean while protecting it from rain or water Never hose off your power scooter or place it in direct contact with water Keep wheels free from lint hair sand and carpet fibers Visually inspect the tire tread If less than 1mm 1 32 please have your tires replaced by your local dealer All upholstery can be washed with warm water and mild soap Occasionally check the seat and back for sagging cuts and tears Replace if necessary Do
11. M MECHANISM 8 FRONT COVER A FRONT FRAME 1D FRONT SUSPENSION ASM de STEM ASM Q3 TURNNING MECHANISM F L 14 wIGwA s POTENTIONMETER COMBINATION 6 CARPET Q7 MAIN COVER FRONT COWER 1 CARPET P RELEASE e ARMREST PAD R L ee ARMREST TUBE F L SEAT UPHOLSTERY 24 SEAT PAD 3 BACKREST PAD HACK TERY A BACKREST TUBE PR SEAT FRAME 2 PLUG DF ARMREST BREAKET OF ARMREST 7 FRONT SEAT FRAME INNER CROSS 33 OUTSIDE CROSS G3 BATTERY 2 RELEASE PEAR REFLECTEP a7 PEAR FENDER ag BREAKET OF MOTOR 49 FRONT WHEEL L ad AXIS HAF CONNECTED PAR ASM ad SLIDING FRAME amp 3 ASSISTIVE WHEEL 44 SLIDER HAR CONTROLLER LOCKING PIN amp 3 BREAKET OF CONTROLLER 48 RUBBER DUST COVER 43 PROTECT COVER 50 PEAR SPRING G REAR FRAME MOTOR 3 REAR WHEEL F L 9 0 08 3 EO ENED EI Ed ED D 21 WARRANTY DECLARATION Quality Warranty Declaration Products are to be fit for purpose and of excellent quality and performance For valid warranty claims Heartway will at their discretion replace repair refund items mutually agreed to be defective Heartway s Warranty as Following gt Frame Two year limited warranty gt Controllers One and a half year limited warranty gt Electronic Components and Charger One year limited warranty gt Warranty Exclusion The following items are not covered by warranty lt Motor brus
12. USER MANUAL Electrically powered scooter Class B EN 12184 HEARTWAY HEARTWAY MEDICAL PRODUCTS CO LTD NO 6 ROAD 25 TAICHUNG INDUSTRIAL PARK TAICHUNG TAIWAN R O C 408 1 Intend Use Moving of adult disabled persons by self driving Maximum user weight 115 kg Classified in Class B EN12184 The product is not intended for visually impaired people The drivers need to mentally and physically suitable to drive the scooters The fingers need to work functionally The device can t be used by children until age of 12 The scooter is not for use as a seat in motor vehicle Please refer to our official website for general product information at www heartway com tw Warning gt Don t operate your power scooter without completely reading and understanding this user manual not operate the scooter with depleted batteries since the occupant could be stranded Intend use Transport of adult disabled persons by self driving Maximum user weight 115 kg Classified in Class B EN 12184 Maximum safe slope 6 Climbing ability up to 50 mm obstacle height The product is not intended for visually impaired people The driver needs to be mentally and physically suitable to drive the power scooter The power scooter must not be used as a seat in a motor vehicle The driving distance will be reduced if the power scooter is used frequently on slopes rough ground or to climb kerbs S20 should be turne
13. d off prior to entering or existing the seat Please refer to our official website for general product information at www heartway com tw Environmental conditions may affect the safety and performance of your power scooter Water and extreme temperatures are the main elements that can cause damage and affect performance A Rain Sleet and Snow If exposed to water your power scooter is susceptible to damage to electronic or mechanical components Water can cause electronic malfunction or promote premature corrosion of electrical components and frame B Temperature Some of the parts of the power scooter are susceptible to change in temperature The controller can only operate in temperature that range between 18 F 8 C and 122 F 50 C At extreme low temperatures the batteries may freeze and your power scooter may not be able to operate In extreme high temperatures it may operate at slower speeds due to a safety feature of the controller that prevents damage to the motors and other electrical components 520 S N S20TMB1420001 Year of Production 2014 Manufacture Address HEARTWAY TAIWAN Heartway Medical Products Co Ltd Headquarter NO 6 ROAD 25 TAICHUNG INDUSTRIAL PARK TAICHUNG TAIWAN R O C Maximum User Weight 115 Kgs SAFETY INSTRUCTION General Safety Belt Always use seat belt and keep your feet the scooter all the time Never use electronic radio transmitters such as walkie talki
14. e However we recommend that you read carefully the following instructions to become familiarized with your new vehicle Please do not operate this power scooter if it is behaving abnormally or erratically The following operation can be carried out either by assistant or occuptant A Word of Caution Before you turn the power on always be aware of the environment that surrounds you to select your desired speed For indoor environments we recommend that you select the slowest speed setting For outdoor operation of this vehicle we recommend that you select a speed that is comfortable for you to control it safely The following steps are required to operate your vehicle safely with the controller Button functions 1 Battery Indicator When your scooter is switched on the needle on the meter will move across the scale from the left red sector towards the green sector indicating the state of charge in your batteries As the power is used up in your batteries the needle will slowly towards the red sector indicating the state of charge at that precise time When the needle is fully over to the right the batteries are fully charged When the needle falls towards the red sector your batteries are losing power but you will still have power to spare When the needle falls into the red sector your batteries are low in power and need to be recharged It is wise to recharge your batteries when the needle enters the red zone see Batteries and
15. e is in the rest position before switching on the scooter The parking brakes have a bad connection Check the parking brake and motor connections Make sure the controller connections are secured An excessive voltage has been applied to the controller This is usually caused by a poor battery connection Check the battery connections If you experience any technical problems it is recommended that you check with your local dealer before attempting to troubleshoot on your own The following symptoms could indicate a serious problem with your power scooter Contact your local dealer if any of the following arises I Motor noise 2 Frayed harnesses 3 Cracked or broken connectors 4 Uneven wear on any of tires 5 Jerky motion 6 Pulling to one side 7 Bent or broken wheel assemblies 8 Does not power up 9 Powers up but does not move 19 CIRCUIT DIAGRAM 05 02 BK black LG light green Pb BATTERY BOX brown LO light omge m 20 f n BL 1007 B RIG 1015 1 24V DC 5 E 1015 2 nhibit bius 12 1007 3 S drive 45 controller pe je _ _ re ze AA NUEM CS drive Jb H AS cosa caer RR CP T wd xu EH fl 6 20 BOM LIST DRAWING 1 HANDLE GRIP 2 HANDLE HAR 3 PLUG OF STEM 4 RUBBER OUST COMER 55 STEM 6 PLUG OF HANDLE F LOCKING KNOB 8 TILLER RA
16. es or cellular phones Do not make a sharp turn or a sudden stop while riding your scooter Never operate the scooter while you are under the influence of alcohol Make sure that there are no obstacles behind you while reserving your scooter Do not rider your scooter in traffic Do not attempt to climb curbs greater than limitation Do not leave your hands and legs off the scooter when show on Technical Specification driving Do not rider your scooter during snow in order to avoid Do not allow unsupervised children to play near this accident on slippery road equipment while the batteries are charging Warning Don t operate your scooter for the first time without completely reading and understanding this user manual Don t operate scooter on public streets and roadways Be aware that it may be difficult for traffic to see you when you are seated on the scooter Obey all local pedestrian traffic rules Wait until your path is clear of traffic and then proceed with extreme cautions 2 To prevent injury to yourself or others always ensure that the power is switched off when getting on or off of the scooter 3 Always check that the drive wheels are engaged drive mode before driving Do not switch off the power when the scooter is still moving forward This will bring the scooter to an extremely abrupt stop 4 Do not use this product or any available optional equipment without first completely reading a
17. h temperatures greater than 41 C after driving Do not touch these parts when disassembling the scooter or wait until the motor is cooled down 22 The programming of the controller shall only be carried out by personnel which is authorized by his manufacturer A wrong programming can result in safety hazards for the occupant 23 If the power scooter is switched off while driving on the horizontal at maximum speed at 7 km h it will come to a stop with the maximum stopping distance of 1 2 m Please consider this distance when driving 24 Drive wheel needs to be switched to engaged mode while transporting the power scooter with a car or airplane 25 Surface temperatures can increase when exposed to external sources of heat 26 Surfaces of the power scooter that can come into direct contact with the occupant s skin and or assistant s skin during normal use and that are within occupant reach shall not exceed 41 C The motor surface can reach temperatures greater than 41 C after driving Do not touch these parts when disassembling the scooter or wait until the motor is cooled down 27 Please always turn off the power prior to entering or existing this scooter Modifications Heartway Medical Product has designed and engineered power scooter to provide maximum utility However under no circumstances should you modify add remove or disable any part or function of your power scooter Personal injury and damage to the power scooter may result
18. hes lt WheelTires lt Pads lt Seat Cushion lt Fuses Bulbs lt Tiller Cover lt Rear Shroud lt Front Shroud lt Batteries and Consumable parts HEARTWAY HEARTWAY MEDICAL PRODUCTS CO LTD NO 6 ROAD 25 TAICHUNG INDUSTRIAL PARK TAICHUNG TAIWAN R O C 408 22
19. n pressures will prolong the life your tires and ensure the smooth operation while riding Do not under inflate or over inflate your tires It is critically important that 30 25 psi 2 2 4bar tire pressure be maintained in pneumatic tires at all times Inflating your tires from an unregulated air source could over inflate them resulting in a burs tire Temperature Some of the parts of the power scooter are susceptible to change in temperature The controller can only operate in temperature that ranges between 25 C 50 C At extreme low temperatures the batteries may freeze and your power scooter may not be able to operate In extreme high temperatures it may operate at slower speeds due to a safety feature of the controller that prevents damage to the motors and other electrical components ELECTROMAGNETIC INTERFERENCE EMI The rapid development of electronics especially in the area of communications has saturated our environment with electromagnetic EM radio waves that are emitted by television radio and communication signals These EM wave are invisible and their strength increases as one approach the source All electrical conductors act as antennas to the EM signals and to varying degrees all power scooters and scooters are susceptible to electromagnetic interference EMI The interference could result in abnormal unintentional movement and or erratic control of the vehicle The United States Food and drug Administration F
20. nd understanding these instructions If you are unable to understand the warnings cautions or instructions contact a healthcare professional the dealers or technical supports before attempting to use this equipment otherwise injury or damage may occur 5 There are certain situations including some medical conditions where the scooter user will need to practice operating the scooter in the presence of a trained attendant A trained attendant can be defined as a family member or care professional especially trained in assisting a scooter user in various daily living activities Consult with your physician if you are taking any medication that may affect your ability to operate your scooter safely 6 Do not attempt to lift or move a power scooter by any of its removable parts including the armrests seats or shrouds Personal injury and damage to the power scooter may result 7 Never try to use your scooter beyond its limitations as described in this manual 8 Please do not sit on your scooter while it is in a moving vehicle 4 9 Keep your hands away from the wheels tires while driving scooters Be aware that loose fitting clothing can become caught in the drive tires 10 Consult your physician if you are taking prescribed medication or if you have any certain physical limitations Some medications and limitations may impair your ability to operate scooters in a safe manner 11 aware when the drive mode is unlocked or locked
21. not store your scooter in damp or humid conditions as this will lead to mildew and rapid deterioration of the upholstery parts All moving mechanism will benefit from simple lubrication and inspection Lubricate using petroleum jelly or light oil Do not use too much oil otherwise small drips could stain and damage carpets and furnishings etc Always perform a general inspection of the tightness of all nuts and bolts 18 TROUBLESHOOTING amp FAULT REPAIR P amp G S Drive 45 Amp controller Your scooter is fitted with S Drive controller which continuously monitors the operating conditions of your scooter If it detects a problem it will indicate with error message by flashing light on the power ON OFF light You must count the number of the flash and see the list to check what kind of error has happened according to the number The battery needs charging or there is a bad connection to the battery Check the connections to the battery If the connections are good try changing the battery 3 The motor has a short circuit to a battery connection Contact your service agent 4 The freewheel switch is activated or the manual brake disengagement mechanism is operated Check the position of the switch of lever The S Drive is being inhibited from driving Inhibit 2 is active This may be because the battery charger is connected or the seat is no in the driving position A throttle fault is indicated Make sure that the throttl
22. ns of the seat height and front rear position ADJUSTMENT It is very easy to assemble your S20 scooter Please follow the procedure below S20 power scooter has aluminum alloy body and can be easily folded to fit in the car for transportation It also has easy to use controls and adjustable tiller positioning Distinctive stylish lightweight scooter Easy to use controls Adjustable tiller positioning Easy to remove the battery pack gt 0 vu p Dismantles for transporting in a car See the Following Four Steps to Fold the Scooter The following operation can be carried out either by assistant or occuptant 10 EET m 7 JAM SONG 5 57 EI e c c r LON I Jo so s A N T3 4 WARNING gt PLEASE TURN OFF THE POWER BEFORE FOLDING UNFOLDING POWER SCOOTER c Pinch Point Be aware of fingers when folding and un folding power scooter 11 gt Two persons are needed to lift this power scooter S20 gt Never open the battery box If you have any question please contact your local authorized dealer or technical supports for further support and assistance PLEASE TURN OFF THE POWER BEFORE FOLDING UNFOLDING POWER SCOOTER Storage Your power scooter should be stored in a dry place free from temperature extremes When storing disconnect the batteries from the power scooter If you fail to store the unit properly the frame
23. power to allow the electrical components to cool down Although your power scooter will resume its normal speed when the temperature returns to a safe level we recommend to wait for 5 minutes before restarting to allow the components to cool down 15 MAINTENANCE INSTRUCTION Read through the charger operating instruction before using it Make sure you charge the battery every time after you use the power scooter or scooter Charge the battery at least 24 hours a week if the power scooter or scooter has not been used This is to make sure that the electrolyte is always at the top level If the battery cannot be charged Orange light cannot turn to Green or if the Orange light turns to Green immediately please check it with the technicians The battery may be defective The voltage difference between the two batteries on a power unit cannot be more than 0 5 V the battery case should be inspected for cleanliness and evidence of damage If the charger indicates red light please kindly check if the charger is defected or if the cable wiring connection is poor Please keep the battery terminals clean otherwise the charging condition will be poor 16 MAINTENANCE amp REPAIR Your power scooter is designed for minimal maintenance However like any motorized vehicle it requires routine maintenance To keep your 520 for years of trouble free operation we recommend you follow the following maintenance checks as scheduled DAI
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