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SS300 Service Information (3-2017)

63

TROUBLESHOOTING

VACUUM FAN FAILED TO TURN ON  

STEP

ACTION

VALUE(S)

YES

NO

1

• 

Key On

• 

Enable vacuum fan

• 

Is there a flashing BDI fault fault code pres

-

ent? 

See “Faults” in 
the TROUBLE-
SHOOTING sec-
tion of this manual

Go to Step #2

2

• 

Key On

• 

Enable vacuum fan

• 

Test voltage applied to the vacuum fan 
subsystem as shown on the electrical 
schematic

• 

Are the electrical circuits operating as 
shown on the electrical schematic?

Go Back to Step 
#1

Identify Voltage 
Drop Location 
and Repair or 
Replace Nec-
essary Compo-
nents

Terms:

BDI = Battery Discharge Indicator

Summary of Contents for Speed Scrub 300 ec H2O NanoClean

Page 1: ...EED SCRUB 300 Automatic Floor Scrubber Service Information Manual 9014516 Rev 01 3 2017 9014516 For the latest Parts Manuals and other language Operator Manuals visit www tennantco com manuals R ENGLI...

Page 2: ...mation can be found at www tennantco com opensource Specifications and parts are subject to change without notice Original Instructions Copyright 2015 2017 Tennant Company All rights reserved INTENDED...

Page 3: ...ing 50 Onboard Battery Charging On Option 52 Batteries Failed To Charge Reduced Run Time Onboard Charger 53 Off Board Battery Charging On Option 54 Batteries Failed To Charge Reduced Run Time Off Boar...

Page 4: ...n 92 Installing Vacuum Motor 93 Removing Carbon Brushes 94 Installing Carbon Brushes 94 Removing Water Solenoid 95 Installing Water Solenoid 96 Adjusting Water Solenoid 97 Controll Modules 99 Removing...

Page 5: ...iver brush can be harmful to pacemaker wearers or medical implants This machine may be equipped with technology that automatically communicates over the cellular network If the machine will be operate...

Page 6: ...t use incompatible battery chargers as this may damage battery packs and potentially cause a fire hazard Inspect charger cord regularly for damage Keep work area well ventilated Avoid contact with bat...

Page 7: ...ries emit hydrogen gas Explosion or fire can result Keep sparks and open flame away when charging Located on bottom side of recovery tank WARNING LABEL Spinning pad Keep hands away Located on disk scr...

Page 8: ...circuit board panel WARNING LABEL Spinning pad Keep hands away Located on disk scrub head model WARNING LABEL Magnetic field hazard Magnetic pad driver brush can be harmful to pacemaker wearers or me...

Page 9: ...Brake Switch F Scrub Head Drive Belt G Scrub Motor Disk Shown H SE Severe Environment System Components I Solution Tank Fill Port J Onboard Battery Charger K Interface Module w mini USB Programming Po...

Page 10: ...y DPDT Switch Pressure Switch Motor 3 Phase AC Induction Motor Motor Encoder Momenary Switch N O Contact Switch N C Solenoid Valve Sensor Variable Resistor Circuit Breaker Fuse Diode Single Continuati...

Page 11: ...SS300 Service Information 3 2017 11 GENERAL INFORMATION...

Page 12: ...BLK WHT CAN YEL CAN GRN 13 BLK 7 PUR 20 TAN 7 PUR 6 BLU 6 BLU 42 BRN 13 BLK 13 BLK 13 BLK CAN YEL CAN GRN 6 BLU BLK 20 TAN 6 BLU 6 BLU 5 GRN 1 RED 4 YEL 2 BRN 27 PUR 13 BLK 1 RED 13 BLK 20 TAN 6 BLU 1...

Page 13: ...5 GRN 105 GRN 105 GRN 6 BLU 13 BLK 13 BLK 6 BLU 1 RED 3EB ORA 9EA WHT 13EA BLK WHT 4EA YEL 4EB YEL 3EA ORA 66 BLU 13 BLK 13 BLK 67 PUR 1 13 CAN CAN 6 TRANSAXLE USER INTERFACE M2B EC H2O RELAY 30 87 EC...

Page 14: ...ARGER ONLY SW OPEN CHARGING 1 RED 4 YEL 5 GRN 1 RED 30 TAN 31 PNK 1 RED 13 BLK 3 ORA 113 BLK WHT CAN YEL CAN GRN 13 BLK 7 PUR 7 PUR 6 BLU K L B 3 1 K L B 3 1 CAN YEL CAN GRN 20 TAN 6 BLU 20 TAN BLK 6...

Page 15: ...6 BLU 13 BLK 13 BLK 6 BLU 1 RED 3EB ORA 9EA WHT 13EA BLK WHT 4EA YEL 4EB YEL 3EA ORA 66 BLU 67 PUR 1 13 CAN CAN 6 CB 3 4A CB 2 4A EC H20 MODULE VCC_1 J12 11 GND_1 J12 5 VALVE_SUPPLY J12 13 VALVE_OUTPU...

Page 16: ...al Ready State Propel Motor Controller Fault Battery Charger ON Interlock Solution Control ec H2O NanoClean option Head Lowered Foot Pedal Solution Control ON ecH2O Switch ON Fwd Rev Throttle Command...

Page 17: ...104 130 170 171 265 228 383 3 4 750 129 168 215 280 313 407 592 688 1 1 000 258 335 500 650 757 984 1281 1489 Thread Size 4 8 5 6 8 8 Stainless Steel 10 9 12 9 Set Screws M3 43 56 Ncm 99 128 Ncm 139...

Page 18: ...hr 1198m2 hr 15 469ft2 hr 1 437m2 hr Aisle turnaround width 52 in 1321 mm 54 5 in 1384 mm 52 in 1321 mm 54 5 in 1384 mm Ramp incline for scrubbing 9 maximum Ramp incline for transporting 21 maximum R...

Page 19: ...n 1346 mm 52 in 1321 mm 49 in 1245 mm Ramp incline for scrubbing 9 maximum Ramp incline for transporting 21 maximum Ramp incline for loading empty tanks 21 maximum Solution flow rate Low 0 15 gpm 0 57...

Page 20: ...on 3 2017 GENERAL INFORMATION MACHINE DIMENSIONS 43 1 in 1095 mm 30 4 in 772 mm SINGLE DISK MODEL 51 25 in 1302 mm 17 in 43 cm Model 54 in 1372 mm 20 in 50 cm Model 20 in 508 mm 17 in 43 cm Model 22 i...

Page 21: ...SS300 Service Information 3 2017 21 GENERAL INFORMATION 43 1 in 1095 mm 30 4 in 772 mm DUAL DISK MODEL 51 25 in 1314 mm 26 in 660 mm...

Page 22: ...22 SS300 Service Information 3 2017 GENERAL INFORMATION 43 1 in 1095 mm 30 4 in 772 mm CYLINDRICAL BRUSH MODEL 50 5 in 1283 mm 25 in 635 mm...

Page 23: ...SS300 Service Information 3 2017 23 GENERAL INFORMATION 43 1 in 1095 mm 30 4 in 772 mm ORBITAL PAD MODEL 49 in 1245 mm 20 5 in 521 mm...

Page 24: ...Debris trough Clean O 9 Scrub head skirt Check for damage and wear Weekly O 7 Battery cells Check electrolyte level O 6 Squeegee assembly drip trap reservoir Check clean 50 Hours O 2 Cylindrical brush...

Page 25: ...rking brake if equipped FOR SAFETY When servicing machine wear personal protection equipment as needed All repairs must be performed by trained personnel AFTER DAILY USE 1 Drain and rinse out the reco...

Page 26: ...Fig 92 Fig 92 7 Wipe the squeegee blades clean Inspect blades for wear and damage Fig 93 Rotate blade if worn See SQUEEGEE BLADE REPLACEMENT Fig 93 8 Check the scrub head skirt for wear or damage Fig...

Page 27: ...NTENANCE 11 Charge batteries Fig 97 See BATTERIES Fig 97 AFTER WEEKLY USE 1 Check the electrolyte level in all batteries Fig 98 See BATTERIES Fig 98 2 Remove the drip tray cover from the squeegee asse...

Page 28: ...o longer clean effectively Fig 101 3 Cylindrical scrub head Remove debris buildup from underside of scrub head Fig 102 Fig 102 4 Inspect and clean the seal on the recovery tank lid Figure 104 Replace...

Page 29: ...rface turn off machine remove key and set parking brake if equipped Replace belts every 1250 hours Contact trained per sonnel for belt replacement Fig 105 Cylindrical Brush Drive Belt Fig 105 ORBITAL...

Page 30: ...l objects off batteries Avoid contact with battery acid MAINTENANCE FREE BATTERIES Maintenance free Sealed AGM batteries do not require watering Cleaning and other routine mainte nance is still requir...

Page 31: ...Keep sparks and open flame away when charging 2 Park the machine on a flat dry surface turn off machine and remove key FOR SAFETY When servicing batteries stop on level surface turn off machine remove...

Page 32: ...from machine Fig 112 SQUEEGEE BLADE REPLACEMENT FOR SAFETY Before leaving or servicing machine stop on level surface turn off machine remove key and set parking brake if equipped Each squeegee blade h...

Page 33: ...it reaches its maximum water usage or expiration time of when the cartridge was activated which ever comes first The control panel will signal a code when it s time to replace cartridge Depending on...

Page 34: ...low indicator lights will begin to ripple move back and forth Figure 129 C Within 5 seconds after releasing the service switch while the three indicator lights are moving back and forth quickly press...

Page 35: ...e up position ATTENTION Do not expose machine to rain store indoors 4 4 Open the recovery tank lid to promote aircirculation NOTE To prevent potential machine damage storemachine in a rodent and insec...

Page 36: ...r alerts that manual parking brake is engaged on wheel Release parking brake 0x E Stop activate fault 1 E Stop pressed 2 Large white iDrive connector unplugged 3 Large white iDrive connector pin 7 dis...

Page 37: ...power disconnected 4 Scrub Controller inline power fuse defective blown Check connections and wiring Board gets power from key switch and battery Replace defective blown inline power fuse 0x0601 Dete...

Page 38: ...ed 1 iDrive just programmed by service tech with new parameters 2 iDrive unit is faulty Power cycle machine Replace iDrive 0x0905 Propel Current Limit Fault 1 Controller detects motor is drawing exces...

Page 39: ...been checked controller may be defective Replace controller 0x0912 Propel Forward Input Range Controller detects an error with Throttle Wiper Throttle Wiper input is located on pin 1 of 14 way Tiller...

Page 40: ...opel Speed Control Wiper Warning Controller detects Parallel Speed Limit Potentiometer Wiper is open circuit or has been shorted to one of the throttle references Parallel Speed Limit Potentiometer Wi...

Page 41: ...Inhibit 2 input is active Inhibit 2 Speed has been set to 0 and Inhibit 2 Operation has been set to Latched Check state of input Inhibit 2 programming connectors and relevant wiring to controller If t...

Page 42: ...ectors and relevant wiring to controller If trip is still present after batteries connectors and wiring have been checked controller may be defective Replace controller 0x0934 Propel Very Low Battery...

Page 43: ...rs and wiring have been checked controller may be defective Replace controller 0x0941 Propel Soft Belly Button Active Controller detects Belly Button Switch has been operated at power up Check Belly B...

Page 44: ...uction Controller detects Throttle Potentiometer has been displaced at start up and parameter Throttle Operated At Power Up has been set to Trip 1 Release bail 2 Key off and on 3 If error persists che...

Page 45: ...t 1 Current draw higher than expected Verify detergent pump load damage and or usage conditions 0x0606 Detergent Pump Shorted Load Fault 1 Shorted load condition 2 Higher current draw than hardware de...

Page 46: ...or low battery voltage 0x0703 EC H2O Breaker Tripped Warning 1 Detected module circuit breaker trip 2 Scrub Controller board J4 connector unplugged 3 Scrub Controller board J4 connector pin 2 disconne...

Page 47: ...age and verify pump is operating 0x0713 EC H2O Pump Over Current Fault Current draw higher than expected Check pump operating current 0x0716 EC H2O Pump Short Fault 1 Shorted load condition 2 Some hig...

Page 48: ...dule micro pump is connected to machine harness and verify pump is operable 0x0746 EC H2O WCM Pump Short Warning 1 Shorted load condition 2 Some higher current draw than hardware design limit Check ha...

Page 49: ...nnection of clamps to battery and check voltage of battery elements to ensure there are no elements in an open circuit condition Charger starts again after 5 seconds E02 Temperature Internal thermic s...

Page 50: ...nections wiring Verify functionality of scrub head switch and ecH2O pressure switch Connectors possibly wired to incorrect switches Vacuum Squeegee Switch Not Functioning 1 Vacuum squeegee switch disc...

Page 51: ...SS300 Service Information 3 2017 51 TROUBLESHOOTING...

Page 52: ...10 CAN GROUND N O COM N C P2 1 113 BLK WHT GRN YEL 5 GRN 7 PUR 4 YEL 1 RED 1 RED 6 BLU CB1 4A 12 Volt 12 Volt Key Switch Battery Positive Battery Negative PMC021 AC Volts CAN bus CAN bus J3 3 Interfa...

Page 53: ...harger cables for damage corrosion contamination or terminal problems Do any of the above conditions exist Repair or Re place Battery and or Charger Cables Go to Step 5 5 Skip this step for sealed or...

Page 54: ...harger Interlock Switch 2 12 VDC Batteries N O COM N C CB1 4A 12 Volt 12 Volt Not Used Key Switch Battery Positive Battery Negative PMC021 J7 10 J7 7 Interface Module 1 RED 4 YEL 5 GRN 6 BLU J8 7 Mach...

Page 55: ...ve conditions exist Repair or Re place Battery and or Charger Cables Go to Step 4 4 Skip this step for sealed or AGM batteries Key Off Disconnect batteries Check water level of all battery cells Are t...

Page 56: ...arger Opt Interface Module Touch Panel 2 12 VDC Batteries P2 3 P2 4 P2 2 J7 10 J7 7 FLYBACK J7 9 CHARGER INPUT J7 8 GND B B N O COM N C 5 GRN 7 PUR 13 BLK 13 BLK 4 YEL 4 YEL 1 RED 6 BLU 6 BLU 6 BLU CB...

Page 57: ...Test Power Up Circuit Operation 2 Key Off Firmly press circuit breaker 1 to reset Is circuit breaker 1 tripped Reset and Test Power Up Circuit Operation Go to Step 3 3 Key On Test voltage applied to t...

Page 58: ...pel Motor Battery Positive Battery Negative PMC021 POT_LOW P1 8 SPD_LIMIT P1 9 35 GRN 34 YEL POT HIGH P1 2 33 ORA 100K Propel Speed Limit Pot Scrub Head Pos Switch P1 4 LOW SPEED P3 4 RX P3 3 TX P1 1...

Page 59: ...he software is properly configured to enable the propel feature Is the software configured properly Go to Step 3 Reprogram software 3 Key Off Place machine on blocks so drive wheels are lifted off the...

Page 60: ...Auxiliary Scrub Brush Relay NOTE The scrub motor system uses two relays stepped because the M4A coil exceeds the max current rating of the J7 6 output circuit Auxiliary Scrub Brush Relay M4B 30 87 Sc...

Page 61: ...Faults in the TROUBLE SHOOTING sec tion of this manual Go to Step 2 2 Key On Enable scrub motor Test voltage applied to the scrub motor sub system as shown on the electrical schematic Are the electri...

Page 62: ...RED 1 RED 15 GRN 29 WHT 13 BLK 13 BLK 38 GRY 3 ORA 13 BLK 12 Volt 12 Volt Battery Positive Battery Negative PMC021 CB6 20A Vacuum Fan Motor MTR M3A 86 85 Vacuum Fan Relay SW 8 Squeegee Position Switch...

Page 63: ...Faults in the TROUBLE SHOOTING sec tion of this manual Go to Step 2 2 Key On Enable vacuum fan Test voltage applied to the vacuum fan subsystem as shown on the electrical schematic Are the electrical...

Page 64: ...harger or Inter lock Switch N C Circuit Breaker 1 Interface Module J7 10 KSI KEY SWITCH INTERLOCK J7 7 FLYBACK J7 5 SOLUTION VALVE OUT GND J7 8 SENSOR_IN J4 4 5V OUT J4 1 SV1 Solution Valve Solution C...

Page 65: ...Faults in the TROUBLE SHOOTING section of this manual Go to Step 2 2 Key On Enable solution control conventional Test voltage applied to the solution control conventional subsystem as shown on the el...

Page 66: ...c H2O NanoClean Module J12 11 VCC_1 GND J12 5 GND J12 6 CAN J12 2 CAN J12 3 PRESSURE IN J12 9 FLUSH GND J11 1 FLUSH SW J11 2 J12 12 VCC_2 J12 13 WCM PUMP J12 14 WCM PUMP J2 8 PUMP J11 4 CELL_A1 J11 5...

Page 67: ...aults in the TROUBLE SHOOTING section of this manual Go to Step 2 2 Key On Enable solution control ec H2O Test voltage applied to the solution control ec H2O subsystem as shown on the electri cal sche...

Page 68: ...ttery Positive Battery Negative PMC021 0 V P3 X WIPER P3 X 5 V P3 X 5K Throttle Potentiometer P2 X Output P2 X Output Light NOTE The P1 X or sometimes J1 X format refers to the plug or connector numbe...

Page 69: ...se an electrical schematic to identify all negative ground supply wires Is there battery negative applied to the circuit board Applied Volt age Must Be Within 1 Volt of Actual Battery Volt age Go to S...

Page 70: ...probes into back of connector containing the CAN wires 4 Since network remains connected in this mode resistance should measure approximately 61 ohms CAN OPEN NETWORK ISSUES The following items inclu...

Page 71: ...stance measurements are 1M for non terminating nodes and 122 for terminating nodes The CAN connec tions may be on their own connector pictured below or combined into another connector See specific mac...

Page 72: ...present Optional nodes are dependent on the customer order Gray box Terminating Resistor Locations If only one box marked on a machine the second termination is made in the harness Machine model Node...

Page 73: ...dules Interface Module The interface module is located in the operator s console Machine Control Module The machine control module is located at the rear of the battery compartment beneath a cover I D...

Page 74: ...button 9 Inspect the actual machine configuration and match applicable configurations from the drop down menus and then click on the arrow button 10 The programming process begins and all of the contr...

Page 75: ...the control console The SERVICE DIAGNOSTICS TOOL configures up to five control modules depending on optional trim packages The interface module stores configuration data and communicates via RS232 ser...

Page 76: ...configurations that apply from the drop down menus and then click individual arrow buttons to launch individual module re programming this is faster or the header arrow button to launch all module re...

Page 77: ...on the control console The SERVICE DIAGNOSTICS TOOL configures up to five control modules depending on optional trim packages The interface module stores configuration data and communicates via RS232...

Page 78: ...om the notebook to an external port on the control console The SERVICE DIAGNOSTICS TOOL configures up to five control modules depending on optional trim packages The interface module stores configurat...

Page 79: ...shipped without batteries and supplied with an Off Board Charger the off board battery charger is set for wet lead acid batteries from the factory The machine s battery discharge indicator is set for...

Page 80: ...ton to scroll through the battery types algorithms until the desired battery type is located 5 Press the middle button to select the battery type The red LED light will turn off RED TURNS OFF 6 Press...

Page 81: ...settings for a different battery type carefully follow instructions as described below NOTE The manual method is only an alternative if unable to change setting by use of the Service Application Softw...

Page 82: ...quired to reset dial back to 0 Contact Service 7 Replace the black cap on charger reinstall battery charger and replace control console 8 Reconnect the battery cable connection 9 To set the BDI for th...

Page 83: ...itions of the bat tery such as discharge level age of battery tempera ture etc Equalization Charge Cycle The equalization charge cycle automatically occurs once every 30 complete charge cycles on wet...

Page 84: ...ff machine remove key and disconnect batteries 1 Drain recovery tank turn off key and disconnect batteries 2 Remove debris tray cylindrical only 3 Remove scrub brushes and set aside 4 Lower scrub head...

Page 85: ...off machine remove key and disconnect batteries 1 Installation is the reverse of removal 2 Cylindrical Head Option Only There are required brush pattern adustments on the cylindrical scrub head See C...

Page 86: ...ter valve from the wire harness NOTE This must be done in order to keep water from washing away the chalk that has been applied to the floor Purge any residual water at another location by running the...

Page 87: ...adjustment screw counter clockwise to increase down pressure on the RH side or clockwise to decrease down pressure on the RH side of the scrub brushes 11 Re apply chalk and repeat steps 4 10 until the...

Page 88: ...sconnect batteries 1 Remove scrub head assembly See REMOVING SCRUB HEAD ASSEMBLY in the SERVICE section of this manual 2 Place the scrub head on a work bench and loosen the nyloc nuts for the 4 lower...

Page 89: ...0 lb weight on the top of the motor while tightening the motor shaft set screw This weight simulates the actual down force on the scrub head and sets the shaft pre load Torque the set screw to 15 ft l...

Page 90: ...Remove wheel nuts 2 It will be necessary to raise the machine up and lower it to the right side to access the left side wheel 7 Remove transaxle mounting hardware INSTALLING TRANSAXLE ASSEMBLY OPTION...

Page 91: ...es 2 Insert tube The fitting will grip the hose before it seals Be sure the tube is completely inserted into the fitting 3 Push into the tube stop The collet has stainless steel teeth which hold the t...

Page 92: ...release the hose from the fitting With the collet held in this position the tube can be removed The fitting can be re used REMOVING VACUUM FAN FOR SAFETY Before leaving or servicing machine stop on le...

Page 93: ...ve vacuum fan mounting hardware 3 5 Remove vacuum fan assembly INSTALLING VACUUM MOTOR FOR SAFETY Before leaving or servicing machine stop on level surface turn off machine remove key and disconnect b...

Page 94: ...y 2 Loosen carbon brush mounting torx screws 4 3 Lift up to release and remove carbon brushes 2 INSTALLING CARBON BRUSHES FOR SAFETY Before leaving or servicing machine stop on level surface turn off...

Page 95: ...ine remove key and disconnect batteries 1 Drain solution and recovery tanks 2 Disconnect batteries 3 Remove batteries and set aside 4 Remove rear squeegee assembly and set aside 5 Carefully lower mach...

Page 96: ...e aside 8 Disconnect PTC Push To Connect connections 2 from solenoid See PTC PUSH TO CONNECT FITTINGS in the SERVICE section of this manual INSTALLING WATER SOLENOID FOR SAFETY Before leaving or servi...

Page 97: ...s 2 and remove knob from water solenoid Set knob aside 2 Disconnect scrub head side PTC Push To Connect fitting from water solenoid See PTC PUSH TO CONNECT FITTINGS in the SERVICE section of this manu...

Page 98: ...pletely counter clockwise for maximum water flow 7 Slowly turn the valve stem clockwise until water flow stops Stop immediately when water flow stops This is the no flow or clockwise knob setting 8 Re...

Page 99: ...Drain solution and recovery tanks 2 Disconnect batteries 3 Remove batteries and set aside 4 Cut zip ties securing hoses and wire harnesses to cover 5 Remove the heat sink mounting bolts 2 6 Carefully...

Page 100: ...the battery terminal to prevent ESD damage to the logic board 2 Installation is reverse of removal NOTE The torque specification for control module electrical cables is 52 in lbs 6 Nm REMOVING i DRIVE...

Page 101: ...llation is reverse of removal 2 The new I Drive module must be programmed to operate in the scrubber See SERVICE DIAGNOSTICS TOOL in the SERVICE section of this manual REMOVING ONBOARD BATTERY CHARGER...

Page 102: ...atically configure a replacement battery charger once installed and following a power up cycle Reprogramming is required if the interface module has been replaced or if a different type of battery is...

Page 103: ...mounting screws 2 4 Carefully lower access cover 5 Remove T 25 torx mounting screws 2 6 Lift up on the bottom of the panel and slide downward to remove 7 Disconnect electrical connections and remove...

Page 104: ...ions before working on machine 1 Key Off and batteries disconnected 2 Remove rear access cover mounting screws 2 3 Carefully lower access cover 4 Remove T 25 torx mounting screws 2 5 Carefully separat...

Page 105: ...work bench 10 Remove plastic knobs and set aside If replacing the potentiometer or directional switch use a socket to remove the nut securing the potentiometer or the directional switch 11 Remove bai...

Page 106: ...ds bottom of operator console and slide assembly to the side to remove 15 Remove bail switch INSTALLING BAIL SWITCH SPEED POTENTIOMETER OR DIRECTIONAL SWITCH FOR SAFETY When servicing machine disconne...

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