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Troubleshooting

Troubleshooting

Troubleshooting

Troubleshooting

     

                                                                                                                       

 

          Model: C575R/U 
          Malfunction: Display key switch malfunction. 

   

  Circumstance: Press display keys, for instance, <STOP>

LEVEL <

> / <

>. 

                                  There is no reaction, or keys operate continuously. 
          Possible causes: 1. Display key malfunction. 
                                          2. Key cushions are out of place. 
          Troubleshooting: 1. Inspect key switch cushions. 
                                        2. Replace key switches. 

 
             
 
 
 
 
 
 
 
 
 
 
 
 
 
       
 

 
 
 

 

 
 
 
 

3-5-2 

Tack switch 

 

Tack switch cushions 

 

Tack switch 

 

Summary of Contents for C575U

Page 1: ...C575U Repair Manual Electronics...

Page 2: ...1 1 Product Picture C575U 1 1 1...

Page 3: ...1 2 Display picture C575U 1 2 1...

Page 4: ...1 3 Component Placement C575U Display 1 3 1 Dispaly Program board Polar board USB board...

Page 5: ...1 3 Component placement C575U lower body 1 3 2 Battery 1 Speed sensor Drive board Electro magnet Alternator Battery 1 Model board...

Page 6: ...1 3 Component placement C575U lower body C575U 1 3 2 Battery 1 Electro magnet Model board Alternator...

Page 7: ...ock Diagram C575U Electronics 1 4 1 Display Board Drive Board Electronic Magnet Speed Sensor Charger Alternator keypad USB Board HR receiver C SAFE Board Battery Model board Fan HTR board Sensor R Sen...

Page 8: ...1 5 C575U...

Page 9: ...1 5 Connections C575R U Display 1 5 1 Program board To soft key To USB board To Polar board To Fan To HTR board To USB CSAFE To Drive board To USB board...

Page 10: ...1 5 Connections C575R U Display 1 5 2 USB board To Display To program board upgrade program To blue tooth key To Display...

Page 11: ...1 5 Connections C575R U Display 1 5 3 To Electro magnet To battery To display To Alternator Battery charger To Speed sensor To Model board...

Page 12: ...1 6 Display Board Indicator LEDs C575R U 1 6 1 Power...

Page 13: ...COMM Communication indicator F3 battery charged fuse 2A F2 Battery fuse 2A LED 3 VBB Lit Vbb power indicator LED 4 HTR C575R Lit HTR indicator LED 1 CLK Speed sensor indicator LED 6 VCC power Lit Vcc...

Page 14: ...t connected 2 The drive board fuse has blown Troubleshooting 1 Inspect wire and data cable connections 2 Inspect the alternator Do LED3 and LED6 on the drive board light when you pedal 3 Inspect wheth...

Page 15: ...ower is too low because the bike has been out of use 3 The battery charge function on drive board has failed Troubleshooting 1 Inspect wire and data cable connections 2 Measure the battery voltage Nor...

Page 16: ...ossible causes 1 Wires are not connected 2 Speed sensor is malfunctioning Troubleshooting 1 Make sure the distance between the optic sensor and the reflective sticker is 3 8mm 2 Make sure the sensor o...

Page 17: ...M 2 1 CLK 2 3 4 5 LED3 LED4 6 3 3 1 Drive Board Display board Speed Sensor Electronic Magnet Alternator Speed sensor Blue blue Level voltage V LEVEL 1 1 9 V LEVEL 10 11 V LEVEL 40 17 V Alternator Elec...

Page 18: ...Troubleshooting 1 Inspect whether the display receives the RPM signal 2 Inspect whether the alternator can start the unit 3 Inspect all cable connections 4 Inspect the F2 fuse on the drive board Meas...

Page 19: ...1 Telemetry strap transmitter battery voltage is too low 2 Heart rate telemetry receiver board is malfunctioning 3 Environmental interference for instance from lights or speakers impedes signal recept...

Page 20: ...ct the HTR wire on the drive board 3 Inspect the HTR bridge board and HTR board indicator LEDs 4 Inspect the HTR contacts and their wire connections 3 4 2 Display board HTR board Sensor R Sensor L HTR...

Page 21: ...g Model C575R U Malfunction Soft keys do not function Circumstance Press the soft keys There is no response Or the keys operate continuously Possible causes 1 Soft keys are not functioning Troubleshoo...

Page 22: ...alfunction Circumstance Press display keys for instance STOP LEVEL There is no reaction or keys operate continuously Possible causes 1 Display key malfunction 2 Key cushions are out of place Troublesh...

Page 23: ...oubleshooting 1 Inspect whether speed exceeds 50 RPM 2 Inspect wire connections from the display to the fan board 3 Test whether the display sends voltage to the fan board If the display board does no...

Page 24: ...C575 1 2 C575 E875 3 11 1 JP1 JP2 JP3 JP4 JP16 C575R U JP2 JP1 JP3 JP16...

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