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Troubleshooting

                                                           

 

          Model: C520R/C531R 
          Malfunction: Telemetry heart rate malfunction 

   

  Circumstance: Heart rate value does not appear. 

          Possible causes: 1. Telemetry transmitter batteries. 
                  2. Heart rate receiver board malfunction. 
                  3. Environmental interference, possibly from 
                    lights or speakers. 
          Troubleshooting: 1. Replace the heart rate transmit- 
                  ter strap or its batteries. 
                  2. Inspect heart rate receiver board connections. 
                  3. Inspect the HTR board LEDs. 

        

                       

 

3-6-1

 

Bridge 

board 

 

Display 

board 

HTR board 

HR receiver 

 

 

Heart rate board container 

 

Telemetry heart rate receiver board 

 

Heart rate transmitter strap 
(battery location) 

 

Summary of Contents for C531R

Page 1: ...C520R C531R Repair Manual Electronic...

Page 2: ...20R Electronics Specifications 2 1 1 Display Malfunction Troubleshooting Table C520R C531R 2 1 2 Display Malfunction Troubleshooting Table C520R C531R continued 3 1 1 Malfunction No start up alternato...

Page 3: ...1 1 1 Display Picture C520R C531R 1 1 1...

Page 4: ...1 2 1 Component Placement C520R C520U Display 1 2 1...

Page 5: ...1 2 2 Component Placement C520R C531R Lower Body 1 2 2 Bridge board Electro magnet Drive board Flywheel with built in alternator Battery Reed sensor...

Page 6: ...lock Diagram C520R C531R Display Electronics 1 3 1 Display Board Drive board Electro magnet Reed switch HTR board Bridge board HR receiver Remote control Sensor L Sensor R Battery Alternator Battery C...

Page 7: ...1 4 1 Cable Connections C520R C531R Display 1 4 1 To bridge board LED1 Power supply indicator Main IC...

Page 8: ...C520R C531R Drive Board 1 4 2 Bridge board cable connections To HTR board To remote control To drive board To display To bridge board to display To battery charger To reed switch To battery To alterna...

Page 9: ...1 5 Indicator LEDs C520R C531R Display 1 5 1 Indicator Led1 Lit indicates that there is incoming power supply...

Page 10: ...lternator fuse F1 Battery fuse F2 CLK optic sensor LED LED flashes when pedals move Drive board power indicator Lit indicates incoming power supply Battery charger indicator Lit indicates the battery...

Page 11: ...switch Resistance LEVEL 1 LEVEL 20 Display method Segment array and numerical LEDs Main window Dot matrix Character window 65 HR TARGET Heart rate 80 HR TARGET WORKOUT LEVEL CALORIES TIME RPM DISTANCE...

Page 12: ...e the battery 4 Replace the battery if voltage is under 2 0 and it won t recharge 1 battery fuse on the drive board 2 battery Display won t operate I start pedaling the bike but the display shows no r...

Page 13: ...Replace the HTR board 1 HTR board C531R Key malfunction display No key function or continual key function 1 Replace the display key switches 1 display keys Remote malfunction Press remote keys displa...

Page 14: ...ing 1 Inspect all cable and bridge board connections 2 Inspect alternator wire connections 3 Inspect cable connections fuse F1 and PWR LED at the drive board 4 Replace the drive board 5 Inspect the di...

Page 15: ...pect all cable connections Inspect connections at the bridge board 2 Test battery voltage Normal is 5 5V or more 3 Inspect drive board F2 fuse 4 If battery voltage is less than 5 5V pedal at 50 RMP or...

Page 16: ...switch and magnet 2 Wire connections Troubleshooting 1 Inspect the reed switch and magnet 2 Inspect all cable connections 3 Inspect the drive board CLK signal indicator LED 3 3 1 Bridge board Display...

Page 17: ...an RPM value appears when you pedal the bike If not inspect the reed switch and magnet 3 Inspect whether unit starts via the alternator 4 Inspect the drive board fuse Measure voltage from the drive b...

Page 18: ...ible causes 1 There is an electrical short in the cables 2 Drive board components have an electrical short Troubleshooting 1 Inspect all cable connections Inspect cables for damage 2 Inspect drive boa...

Page 19: ...board malfunction 3 Environmental interference possibly from lights or speakers Troubleshooting 1 Replace the heart rate transmit ter strap or its batteries 2 Inspect heart rate receiver board connect...

Page 20: ...the HTR bridge board and HTR board indicator LEDs 4 Inspect the HTR contacts and their wire connections 3 7 1 Bridge board Display board HTR board Sensor Sensor Drive board HTR board placement HTR bo...

Page 21: ...onse Possible causes 1 Wire from the remote control to the display is defective 2 Remote control keys are defective Troubleshooting 1 Inspect remote control wire connections 2 Inspect bridge board wir...

Page 22: ...0R Item Inspect and maintain Daily Weekly Monthly 1 Wipe exterior clean 2 Level unit 3 Inspect screws 4 Inspect pedals for noise 5 Inspect seat back angle adjustment 6 Inspect seat fore aft adjustment...

Page 23: ...back angle won t adjust Replace seat back angle shock 3 Pedals make noise Replace pedals 4 Seat position won t change Replace the shock under the seat 5 Pedals free spin with no resistance Inspect dri...

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