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Troubleshooting

                                                                                                                                                                                                                           

 

 

          Model:                    T615 

          Malfunction:          Err 1   

   

  Circumstance:        Press Speed key. Motor rotates. Err1 appears. 

          Possible cause:      1. Motor rotates

optic sensor malfunctions 

          Troubleshooting:    1. Inspect all cable connections. 
                                          2. Inspect program IC on the control board. 
                                          3. Inspect the motor Carbon brush 
                                          4. Replace the drive board. 
                                          5. Replace the motor. 
                                          6. Replace the transformer 
                                                 
 

 
 
 

 
 
 
 
 
 
 
 
 
   
 
   
 
 

 

3-8-2 

 

Speed sensor 

Carbon brush 

 

Display board 

Motor 

Transformer 

Sensor 

Drive board 

Summary of Contents for T615

Page 1: ...T615 Repair Manual Electronics...

Page 2: ...1 1 Product Illustration 1 1 1...

Page 3: ...1 2 Dispaly 1 2 1...

Page 4: ...1 3 Component Placement T615 Display 1 3 1...

Page 5: ...1 3 Component Placement T615 Bridge board 1 3 2 Bridge board To Lower keypad To Safety key...

Page 6: ...1 3 Component Placement T615 lower frame 1 3 3 DC Incline motor Filter DC motor Speed sensor Motor temperature switch Transformer Inductor Drive board Lubrication system...

Page 7: ...onic Components T615 1 4 1 Display Board Drive Board Motor Speed Sensor Temperature sensor Incline Motor VR Set Transformer Filter Safety key Polar board Keypad SW FUSE AC1 AC2 Bridge Board Inductor A...

Page 8: ...1 4 Connection T615 1 4 2...

Page 9: ...1 4 Connection T615 Display 1 5 1...

Page 10: ...1 5 Cable Connections T615 Display 1 5 2 To Safety key board To lower keypad To Display...

Page 11: ...1 5 Cable Connections T615 Drive board 1 5 3 To incline VR To motor M M To speed sensor To motor temperature SW To Transformer To Inductor To Filter AC1 AC2 To Display To Incline motor...

Page 12: ...1 6 Indicator LEDs T615 Display 1 6 1 Power led...

Page 13: ...ine_Up Lit indicates incline is operating upward Transformer fuse LED3 EMG Lit indicates emergency stop LED2 power Lit indicates power on LED 7 motor MC Flashing indicates an incoming optic sensor sig...

Page 14: ...Power on indicator lights but the display does not light 1 Inspect all cable connections including connector cables 2 Inspect whether drive board LED2 lights a If LED2 lights inspect and test the tra...

Page 15: ...l 2 Inspect the CLK indicator on the drive board a If the CLK indicator is not lit clean or replace the optic sensor b If the CLK indicator lights normally inspect the data cable from the display to t...

Page 16: ...2 1 3 Product settings Press CHANGE key 3 seconds it will display English metric energy saving setting program timer total distance total time as well as control board drive board software versions...

Page 17: ...s Possible causes Safety key board malfunction Troubleshooting 1 Inspect the safety key magnet 2 Inspect the bridge board wire connections 3 Test or replace the safety key board 3 1 1 Safety key board...

Page 18: ...ct all cable connections 3 Inspect drive board power LED Or replace the drive board as a test 4 Inspect the display power LED and main IC 5 Replace the SDC drive board 3 2 1 Drive Board Display Board...

Page 19: ...keypad malfunction Circumstance Press display board keys There is no reaction or keys operate continuously Possible causes keypad is bad Troubleshooting 1 Inspect the keypad connection 2 Replace the k...

Page 20: ...ys There is no reaction or keys operate continuously Possible causes 1 keypad are not connected properly at the bridge board 2 Soft keys are bad Troubleshooting 1 Inspect the keypad connection at the...

Page 21: ...ys Circumstance Press display keys there is no reaction Or keys operate continuously Possible causes 1 Display key switch malfunction 2 Key cushions are out of place Troubleshooting 1 Inspect key cush...

Page 22: ...1 Telemetry heart rate batteries 2 Heart rate receiver 3 Environmental interference for example lights and speakers Troubleshooting 1 Replace telemetry heart rate transmitter or its batteries 2 Inspec...

Page 23: ...ine motor is not operating Troubleshooting 1 Inspect drive board cable connections 2 Inspect transformer voltage 3 Inspect incline signal indicators on the drive board and measure incline output volta...

Page 24: ...causes 1 Incline VR has malfunctioned Troubleshooting 1 Inspect the incline VR cable on drive board 2 Measuring VR voltage on the drive board red green 0 1 20Vdc 15 3 57Vdc If not correct please do th...

Page 25: ...unction Troubleshooting 1 Inspect cable insulation for tears 2 Remove the power cable and take continuity readings There should be no continuity between AC1 and frame There should be no continuity bet...

Page 26: ...D key the fuse breaks Possible causes 1 The motor has an electrical short 2 Drive board malfunction Troubleshooting 1 Replace the drive board 2 Replace the motor as a test 3 Replace the speed sensor a...

Page 27: ...ction 2 Walk deck or walk belt is worn 3 EAC drive board malfunction Troubleshooting 1 Inspect the fuse and fuse holder installation 2 Inspect mechanical parts A walk belt lubrication and wear B walk...

Page 28: ...Motor rotates optic sensor malfunctions Troubleshooting 1 Inspect all cable connections 2 Inspect program IC on the control board 3 Inspect the motor Carbon brush 4 Replace the drive board 5 Replace t...

Page 29: ...ssible cause 1 Optic wheel teeth or optic sensor malfunction 2 Drive board malfunction Troubleshooting 1 Inspect whether optic wheel teeth are missing 2 Replace the optic sensor as a test 3 Replace th...

Page 30: ...hows ERR 7 Possible cause 1 Drive board or VR malfunction made the incline stick at highest or lowest level Troubleshooting 1 Inspect incline VR wire 2 Replace the VR set 3 Replace drive board 3 10 1...

Page 31: ...tion B User ID setting The display will show USER ID ON or USER ID OFF Press INCLINE key to set ON OFF press ENTER to confirm C Total distance display The display will show DIST XXXXXX KM or DIST XXXX...

Page 32: ...1 Display board main program has not received the optic sensor signal E 3 Display setting and actual speed differ E 7 The display detected that the incline VR voltage is too high or too low indicatin...

Page 33: ...0 each time the self lubrication is performed 4 Lubrication display Press RESET key to display total distance in mile km total time Press UP key to display total exercise distance speed and software v...

Page 34: ...her descriptions Model T615 Item Self lubrication system wiring and block diagram 3 13 2 VR speed sensor VR Lubrication Motor Speed sensor 12V From DRV Lubrication control board Lubricant hose positio...

Page 35: ...Other descriptions 3 13 3 Lubrication motor VR Lubrication system control board Lubrication speed sensor...

Page 36: ...615 Item Self lubrication system wiring and block diagram 3 14 2 Lubrication control board Lubrication VR Lubrication Motor Speed sensor 12V From DRV Lubricant bottle Motor VR Control board speed sens...

Page 37: ...Other descriptions Model T645 Item Self lubrication system wiring 3 14 3 Connect to Motor VR Connect to Speed sensor Power from DRV...

Page 38: ...anual lubrication to eliminate the issue ERR 01 EEPROM message on lubrication display Control board wiring issue 1 12V Check if the power source on lubrication control board is about 12V 2 Check lubri...

Page 39: ...ons Model T615 Item Lubricant bottle replacement Step1 Untighten the screws shown here Step2 Push the metal plate and take the bottle out Step3 Put the new bottle in with existing cap and tighten the...

Page 40: ...er the transformer fuse has blown 2 Measure transformer voltage 3 Set the multi meter to the AC setting Place probes as follows Transformer fuse Transformer wire voltage Red red or blue blue input 110...

Page 41: ...ace the brushes B Inspect the brush surface It should be smooth If there are grooves the commutator might be faulty C Inspect whether brush copper wires have changed color If so replace the brushes Br...

Page 42: ...oken 3 Pull the walk belt to allow the optic wheel to move Inspect whether LED6 on the drive board flashes When a tooth of the optic wheel is in the center of the optic sensor LED6 on the drive board...

Page 43: ...point Motor voltage test at the drive board Inspection method 1 Select the VDC setting on the multi meter Place probes on M M connectors on the drive board 2 Press the SPEED key The motor should opera...

Page 44: ...is no abnormality on the display Unplug the motor temperature switch wiring drive board led4 will lights the display will show the message of SERVICE REQUIRED 2 If the display shows a message of SERV...

Page 45: ...s not emit voltage to the incline motor The incline motor does not operate 2 Select the VDC setting on the multi meter and test as follows Incline key Indicator on drive board Drive board incline volt...

Page 46: ...tting on the multi meter Place probes on the VR set red green wires 2 If the VR voltage fluctuates widely the VR is bad Replace it Incline key Drive board VR voltage Incline position 0 Red green 1 20V...

Page 47: ...own making the incline tube return to the red calibration line Step 2 Adjust the VR voltage across red and green wires to 1 20V A Rotate the VR to set voltage across red and green wires to 1 20V B Use...

Page 48: ...4 8 1...

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