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Troubleshooting

Model: T645

Malfunction: Safety key malfunction

Circumstance: Put the safety key in place; the display shows no reaction; “Safety key” error message appears.

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

Display

Board

Bridge

board

Safety-key

board

Safety-key board

Bridge board

Safety-key cable connection

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Содержание T645

Страница 1: ...T645 Repair Manual Electronics Date 2014 1 6 V1 0...

Страница 2: ...1 1 Product Illustration 1 1 1...

Страница 3: ...1 2 Dispaly T645 1 2 1...

Страница 4: ...1 2 Display T645 1 2 2...

Страница 5: ...1 3 Component Placement T645 Display 1 3 1 HTR board Display Bridge board IPOD key Polar board CSAFE board USB board Program board...

Страница 6: ...1 3 Component Placement T645 Drive Compartment 1 3 2 SAC Drive board AC Incline motor Filter AC Servo motor Inductor 220v EUp board Lubrication system...

Страница 7: ...SAC Drive Board Motor Speed Sensor Temperature sensor Incline Motor Zero SW Inductor 220v Filter IPOD board Bridge board HTR board Safety key Keypad CSAFE board AC1 AC2 Inter SW HTR plate Polar board...

Страница 8: ...1 4 Connection T645 1 4 2...

Страница 9: ...1 5 Cable Connections T645 Display 1 5 1 To USB board UATRT To HTR board To Drive board To polar board To USB board To IPOD board To keypad To EUp board To bridge board...

Страница 10: ...1 5 Cable Connections T645 Display 1 5 2 Bridge board USB board To HTR plate To Fan To Safety key To lower keypad To Display...

Страница 11: ...ions T645 SAC Drive board 1 5 3 To motor Encoder To thermal sensor To Display To EUp board To Display To motor To Incline Zero switch To incline motor To incline limit Switch 220V L1 L2 to inductor 11...

Страница 12: ...1 5 Cable Connections Lubrication system 1 5 4 Lubricant bottle Motor VR unit Display Speed sensor...

Страница 13: ...1 5 Cable connections EUp board 1 5 5 From Filter To Drive set To Display LED Keypad...

Страница 14: ...1 6 Indicator LEDs T645 Display Board 1 6 1...

Страница 15: ...1 6 Indicator LEDs T645 Drive Board 1 6 2 F1 fuse 15A...

Страница 16: ...eaction Safety key error message appears 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...

Страница 17: ...lure Troubleshooting 1 Inspect the main fuse and power switch 2 Inspect all cable connections 3 Inspect drive board power LED Or replace the drive board as a test 4 Inspect the display power LED and m...

Страница 18: ...leshooting 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 between AC2 and...

Страница 19: ...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 encoder as a te...

Страница 20: ...onnection 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 w...

Страница 21: ...eypad malfunction Circumstance Press display board keys There is no reaction or keys operate continuously Possible causes 1 keypad is bad Troubleshooting 1 Inspect the keypad connection 2 Replace the...

Страница 22: ...n 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 bridge board 2 Replace...

Страница 23: ...ere 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 cushions 2 Replace display key switches 3...

Страница 24: ...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...

Страница 25: ...t rate cable connections 4 Inspect HTR board LEDs 5 Replace the HTR board 3 5 2 Bridge board Display board HTR board HTR plate R HTR plate R HTR LED HTR HTR Board LEDs Indicator Name Explanation LED1...

Страница 26: ...alibration 3 Inspect incline signal indicators on the drive board and measure incline output voltage 4 Listen for the sound of incline gear grinding 5 Feel the incline motor Is it hot If it is hot the...

Страница 27: ...e 1 EAC drive board malfunction 2 Motor sensor malfunction 3 Motor malfunction Troubleshooting 1 Inspect cable connections 2 Inspect or replace EAC drive board 3 Replace the encoder or motor Motor fai...

Страница 28: ...le connection Troubleshooting 1 When the error appears inspect whether the motor is hot If it is hot walk deck or belt may be worn Lubricate or replace the walk belt 2 If not inspect thermal sensor ca...

Страница 29: ...y shows ERR0R_1_3 Possible cause 1 Motor malfunction Troubleshooting 1 Re start unit and inspect for error message 2 Stop the treadmill ten minutes and test again 3 Inspect drive belt 4 Replace the mo...

Страница 30: ...R0R_2_1 Possible cause 1 EAC drive board IGBT heat or current is excessive Troubleshooting 1 Re start unit and test again 2 Stop operating the unit for ten minutes Then re test 3 If issue persists rep...

Страница 31: ...is malfunctioning Troubleshooting 1 Touch the incline motor Is it hot If so the drive board is malfunctioning Replace the drive board 2 Turn on unit Does the incline operate downward If not the inclin...

Страница 32: ...bleshooting 1 ERROR_4_2 Exterior power supply voltage is too high ERROR_4_3 Exterior power supply voltage is too low 2 Estimate the exterior power supply voltage is too high or too low Normal range 11...

Страница 33: ...ansmission Error Troubleshooting 1 At start up the display and drive board communicate If there is no communication ERROR_8_1_ appears 2 When ERROR_8_1_ appears re start the unit Sometimes normal comm...

Страница 34: ...etween the display and EAC drive board Troubleshooting 1 Inspect cable connections between the display and drive boards 2 When this error appears re start the unit Sometimes re starting the unit resto...

Страница 35: ...e is an interference caused SAC board to shut down Troubleshooting 1 If this occurs occasionally reset the treadmill to use it again This is just a drive board s self protective function 2 If this occ...

Страница 36: ...10 minutes ERROR_2_2_ IGBT too hot reduce speed to protect ERROR_3_1_ Incline motor zero setting abnormal POWER OFF Power switch at OFF position ERROR_4_2_ Power source voltage too low wait until it...

Страница 37: ...ess ENTER to confirm C Energy saving EUP timer setting The display shows ZZZ TIMER XXMIN to indicate the energy saving timer setting Press INCLINE to adjust from 5 600 minutes Afterwards press ENTER t...

Страница 38: ...tance The distance display will reset to 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 tot...

Страница 39: ...ication system wiring and block diagram 3 14 2 Lubrication control board Lubrication VR Lubrication Motor Speed sensor 12V From DRV Lubrication motor VR Lubrication control board Lubrication speed sen...

Страница 40: ...Other descriptions Model T645 Item Lubrication wiring 3 14 3 To motor gear box To Speed sensor Power in to drive board...

Страница 41: ...accumulating Speed sensor issue 1 Check speed sensor wiring 2 Replace speed sensor ERR 01 EEPROM message on lubrication display Control board wiring issue 1 12V Check if the power source on lubricatio...

Страница 42: ...el T645 Item Lubricant bottle replacement 3 14 5 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...

Страница 43: ...eadmill will enter energy saving mode and wake up light will turn to red to indicate that Energy saving board will cut off the power to drive board to save energy 3 When Wake Up key is pressed during...

Страница 44: ...Other descriptions Model T645 Item Energy saving system wiring 3 15 2 To Display board wakeup key LED To Display board wakeup signal Fuse Input AC1 AC2 From filter Output AC1 AC2 To DRV...

Страница 45: ...eys fan HTR contact plates 2 Coordinate the programming on the drive board to set product model no Descriptions Model no setting 0 close 1 open 3 16 1 Model Rep JP4 JP3 JP2 JP1 T645 3 0 0 1 1 T645 JP1...

Страница 46: ...e charging USB 2 Data Transfer Workout data transfer or program update 3 Blue tooth connect Bluetooth data transmission key LED indicator 4 Member Card Member card slot reserved 3 17 1 USB board To Bl...

Страница 47: ...ser preference setting Continuing pressing ENTER key until the display shows GERMAN or 0 MILE H H for language setting See below for all the available languages Use INCLINE key to change the setting a...

Страница 48: ...uld be as below 2 If Black to White Black to Red or White to Red has a shorted occurring it means there is a breaker issue with the motor and the display should show an error message of ERROR 1_3_ 4 1...

Страница 49: ...time the incline will reach 0 limit switch 2 If the incline setting is 0 then the incline column will touch the zero switch zero switch will be on close 3 If the incline setting is between 1 15 then...

Страница 50: ...ine indicator should light up Measure the incline motor voltage output at this time 3 Voltage spec as below Display Drive board Incline motor wiring Incline action Press key UP Orange LED White Black...

Страница 51: ...he display Unplug the motor temperature switch wiring the display will show the message of SERVICE REQUIRED 2 If the display shows a message of SERVICE REQUIRED after using for a while and the motor t...

Страница 52: ...st Method 1 If ERROR 1_1 message appears when power on there could be an Encoder issue Remove the motor cover to see if the Encoder board is damaged 2 When the motor is turning the Encoder indicator o...

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