SportsArt Fitness E875, Repair Manual

Page 1: ...E875 Repair manual Electronics...

Page 2: ...1 1 Product E875 1 1 1...

Page 3: ...1 2 Display E875 1 2 1...

Page 4: ...1 3 Component placement E875 Display 1 3 1 Control board Program board...

Page 5: ...1 3 Component placement E875 Display 1 3 1 Control board Polar heart rate board CSAFE board HTR board...

Page 6: ...1 3 Component placement E875 Frame 1 3 2 Battery 12V 2 Speed sensor Drive board Electro magnet Alternator Model board...

Page 7: ...875 1 4 1 Display Board Drive Board Electron Magnet Speed Sensor Charge Alternator Stride motor R keypad C SAFE Board HR receiver HTR board Stride Level key Battery Stride VR R Stride motor L Stride V...

Page 8: ...1 5 Wiring diagram E875 1 5 1...

Page 9: ...1 5 Wire connection E875 Display 1 5 2 Control board Program board Wireless Polar board To fan To key pads To USB CSAFE board To handrail stride level keys To HTR board To drive board...

Page 10: ...1 5 Wire connection E875 Display 1 5 3 CON3 CON4 7 CON5 CON6 CON1 CON2 CON3 CON1 CON2 USB board To control board To program board Bluetooth key To control board...

Page 11: ...1 5 Wire connection E875 Display 1 5 2 CON3 CON4 7 CON5 CON6 CON1 CON2 CON3 CON1 CON2 USB CSAFE board HTR board Wireless Polar board...

Page 12: ...1 5 Wire connection E875 Drive board 1 5 3 To control board To battery To incline motor VR To outside power source To generator magnet Speed sensor To model board...

Page 13: ...1 6 LED indicator E875 Display 1 6 1 POWER1 LED2communication indicator...

Page 14: ...ator E875 Drive board 1 6 2 F2 generator fuse 2A LED11 CLK indicator Speed sensor indicator F3 battery fuse 1A F1 charging fuse 3 15A LED2 Vcc drive board power source Led lit 5V LED1 12V control boar...

Page 15: ...t right stride decrease LED7 L UP Lit left stride increase Led4 incline power control Led lit incline power Led off incline power off Led 8 incline motor 22v power source Led lit 22V LED6 L DN Lit lef...

Page 16: ...rement Wireless heart rate HTR sensors Stride Electronically adjustable DC motor 22V VR detected Adjusting range 17 29 450mm 730mm Heart rate receiver Wireless Polar T34 HTR sensors Language German Fr...

Page 17: ...connections 2 Check speed sensor Led11 3 speed sensor optical disk distance 5mm 4 Clean the speed sensor 5 Replace the Speed sensor or drive board 1 speed sensor 2 Drive board No resistance 1 No resi...

Page 18: ..._2 While using the equipment 1 Check the wire connections on control board and drive board 2 Check control board and drive board programming 3 Replace drive board or control board and test 1 Wires 2...

Page 19: ...r fuse burnt 3 Bad drive board 4 Bad control board Troubleshooting 1 Check generator fuse 2 Check all wire connections 3 Pedaling check drive board LED1 LED2 indicators Or replace drive board 4 Check...

Page 20: ...wiring Troubleshooting 1 Check drive board battery fuse 2 Measure battery voltage and it should be above 12V one battery therefore 24V for 2 3 Check drive board LED1 LED2 indicator 4 Use battery charg...

Page 21: ...Bad speed sensor signal Troubleshooting 1 Check to see if the distance between sensor and its sticker 5mm 2 Clean the speed sensor 3 Check drive board LED11 CLK signal indicator 4 Replace drive board...

Page 22: ...Troubleshooting 1 Check LED11 indicator on the drive board 2 Check all wire connections 3 Check the generator voltage 4 Measure the resistance voltage output or replace the drive board 3 3 1 Drive Boa...

Page 23: ...1 Bad drive board Troubleshooting 1 Measure the drive board alternator voltage to see if it is normal 2 If voltage is normal then heck flywheel 3 If voltage is off then replace the drive board 3 3 2 D...

Page 24: ...ption Possible causes 1 Telemetry transmitter battery too low 2 Bad HR receiver board 3 Interference issue such as lights speakers Troubleshooting 1 Replace the transmitter or its battery 2 Check HR r...

Page 25: ...3 Check HTR bridge board for HTR signal 4 Check HTR sensors and grounding 3 4 2 Display board HTR board Sensor R Sensor L HTR board HTR board indicators LED Name Description LED1 POLAR indicator Light...

Page 26: ...no E875 Malfunction item Bad keys membrane keys Circumstance No response when pressing keys Possible causes 1 Bad membrane keys Troubleshooting 1 Reaplce membrane keys 3 5 1 Display board Soft key Ke...

Page 27: ...rcumstance No response when pressing keys Possible causes 1 Bad key pads 2 Tact switch sleeves not installed correctly Troubleshooting 1 Check tact switch sleeves 2 Replace key pads 3 5 2 Tact switche...

Page 28: ...nse when pressing the keys on the handrails Possible causes 1 Bad wire connection on the handrails 2 Bad key pads Troubleshooting 1 Check wire connections on console handrails 2 Replace key pads 3 5 3...

Page 29: ...ncline VR Troubleshooting 1 Use the console auto VR range checking Function to see if it is over the range ERR7 INCLINE R Right side problem ERR7 INCLIME L Left side problem 2 Replace the parts accord...

Page 30: ...ing Possible causes 1 Bad wiring connection between control board drive board 2 Bad wires 3 Bad program board connection Troubleshooting 1 Check wire connection between control board and drive board a...

Page 31: ...ED showing when power on Possible causes 1 Model board wiring connection issue 2 Model no Jumper not set properly Troubleshooting 1 Check the model no board connections on the drive board 2 Check Jump...

Page 32: ...g fine however no fan function Possible causes 1 Bad control board 2 Fan wire connection or fan motor issue Troubleshooting 1 Check fan button or wire connections 2 Measure control board fan output vo...

Page 33: ...wards press ENTER to confirm C ZZZ EUP timer setting When display showing ZZZ TIMER XX MIN press WORKOUT LEVEL to adjust the setting Press ENTER to confirm after setting If the setting is less than 5...

Page 34: ...ALORIES keys for 3 seconds to enter lubrication sequence a Display b Stride incline motor will move up to the lubrication position Add lubricant 2 When finish turn the power switch on off twice and th...

Page 35: ...le while not pedaling it will force it to turn off the power 4 Fan User must pedal over 30 stride min to operate the fan 5 Stride length operation A Stride min must 30 to be able to adjust the stride...

Page 36: ...t 2 ERR7 INCLINE L Stride incline motor VR issue on the left side replace it 3 ERR7 INCLINE R L Stride incline motor VR issue on both sides replace them 4 ERROR 8_1 Communication error between control...

Page 37: ...tion procedure Step1 The voltage between Black White wires on the VR is about 4 1V Step2 The travel distance is 30 35mm 3 13 1 Step2 figure B travel distance 30mm 35mmm Step1 figure A voltage setting...

Page 38: ...Visually inspection A Check alternator wire connections B Check drive belt for interference 2 Measure voltage Set volt meter to DC voltage setting LED 1 2 on drive board Should light up while pedalin...

Page 39: ...up VCC voltage normal about 5V This is drive board power source LED2 lit up 12V normal This is for display 2 22V voltage Power on LED8 lit up 22V incline voltage normal Power from battery and used fo...

Page 40: ...optical label distance 5mm B Clean speed sensor surface C LED5 will not light up when speed sensor is passing optical Label in black area LED5 will light up when speed sensor is Passing the silver are...

Page 41: ...item Drive board communication status Method 1 Turn on the power and visually inspect the LED10 indicator flashing status Normally it is flashing regularly If irregular flashing occurs it means there...

Page 42: ...ro magnet current and voltage Method 1 Use volt meter and set it at DC voltage setting put black red leads to the blue wires on the electro magnet to get reading The current reading should be as below...

Page 43: ...own on the figure below from the drive board 2 Use the volt meter set it at Ohms setting and test the electro magnet connecting wires blue blue 3 Normally the reading should be in between 0 20 If ther...

Page 44: ...drive board 2 Set volt meter to above 50V Put red black led to the battery connector on the drive board One battery 12V 2 batteries 24V 3 If the battery is lower than 12V pedaling or use battery char...

Page 45: ...black led to rechargeable battery connector on the drive board 2 When pedaling above 60 Stride min the reading should be above 27V 3 If not possible causes A battery voltage too low B Drive board char...

Page 46: ...ite wires to obtain the voltage reading Press Stride to adjust the stride value and the voltage reading should be Stride VR Left VR Right 450mm 17inch 0 6V 0 6V 590mm 25inch 2 5V 2 5V 730mm 29inch 4 3...

Page 47: ...blue wires on the incline motor VR to obtain the voltage reading Press Stride to set stride value the reading should be as below 3 The reading between both sides should be similar If the reading is n...