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T790 Treadmill

ELECTRONIC OVERVIEW – T790 CONSOLE

2

Section 3

Function Description

The T790 console is designed to act as an intelligent display and keypad interface. It is intended to work in conjunction

with the Motor Control module to form the nucleus of the I/O and control system. The console board periodically reads

the keypad input port to check for user’s inputs, updates, refreshing the status of LEDs, data display and

communicating with the Motor Control module.

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Summary of Contents for T790

Page 1: ...T790 Treadmill 1dmill Customer Support Services SERVICE MANUAL...

Page 2: ...identified consult How To guides for recommended repair procedures How To sub sections are organized by replacement part or assembly name For convenience sub section lists recommended Tools Required t...

Page 3: ...LT AND DECK 2 ADJUST RUNNING BELT TRACKING 4 ADJUST RUNNING BELT TENSION 5 MOTOR DRIVE BELT 6 DRIVE MOTOR 7 FRONT ROLLER 8 REAR ROLLER 9 DECK CUSHION 10 INCLINE MOTOR 11 MOTOR CONTROLLER 13 ALUMINUM S...

Page 4: ...T790 Treadmill TROUBLESHOOTING GUIDE SECTION VI MISCELLANEOUS INFORMATION PREVENTIVE MAINTENANCE 2 UNPACKAGING INSTRUCTIONS 3 INSTALLATION INSTRUCTIONS 4 LIFE FAX 9 NOTES 11...

Page 5: ...T790 Treadmill Section 1 1 Section I SECTION I TROUBLESHOOTING GUIDE...

Page 6: ...Replace incline motor e Eliminate human factors Err6 Internal memory error Console is not able to write and read the internal memory Turn off and on again to clear Error 6 Err10 11 Communication erro...

Page 7: ...source Plug treadmill into a dedicated circuit Power switch damaged Change power switch The metal plate of micro switch is out of the off power bracket Set the metal plate back to the right position...

Page 8: ...How To Adjust The Running Belt Tension Drive belt noise a Drive belt doesn t align to front roller or motor pulley b Drive belt is worn c Front roller and motor are not parallel a Make sure the alignm...

Page 9: ...T790 Treadmill Section 2 1 Section II SECTION II OPERATING CONSOLE...

Page 10: ...NCE Km XX X 00 1 99 0 0 1 Right bottom LED window SPEED Miles H XX X 00 5 11 0 0 1 LED window SPEED Km H XX X 01 0 18 0 0 1 LED window TIME XX XX 00 01 99 00 00 01 LCM CALORIES XXX 1 999 1 LCM FUNCTIO...

Page 11: ...ce Speed will show in the four 7 segment LED display Time will show in the LCM 8 During workout in quick start mode dot matrix will show speed one column for one minute Last column shows current speed...

Page 12: ...then will display ENTER to confirm If user pressed ENTER automatically after value input then this message does not need to display 7 LCM display Press START to begin 8 If user presses START button L...

Page 13: ...correction he can do so quickly before the treadmill speed change takes place When user presses 1 assume that it is 10 Only if after two seconds no other number is pressed then it means 1 Km H or 1 M...

Page 14: ...ide workout results Also any service related messages is also displayed via the LCM Dot matrix display functions Beginning show heart change size indicated HRC program During program selection show pr...

Page 15: ...LOW SLOW SLOW FAST FAST FAST FAST START START Clear lubrication message All LEDs on KM ML toggle Initial state SETUP MODE Press STOP to Initial state DIAGNOSTIC MODE Press STOP to Initial state AUTO C...

Page 16: ...T790 Treadmill NOTES 8 Section 2...

Page 17: ...T790 Treadmill Section 2 1 Section III SECTION III HOW TO SERVICE AND REPAIR GUIDE...

Page 18: ...tor cover lift off the motor cover 3 Loosen the motor belt tensioning screws 2 loosen the four mounting screws securing the motor to the bottom of the frame NOTE To remove front roller easily release...

Page 19: ...out of the running belt If necessary remove the motor drive belt 12 Remove the deck screws 10 and washers 10 then lift out the deck 13 Remove the running belt and discard 14 Install a new running bel...

Page 20: ...unning belt has moved to the RIGHT turn the RIGHT tension bolt 1 4 turn CLOCKWISE and the left tension bolt A 1 4 turn counterclockwise to start the running belt tracking back to the center of the rea...

Page 21: ...r five minutes DO NOT run on the belt 3 Enter the speed up to 18kph and check if the belt centers the treadmill 4 Using the speed DOWN button to slow down to 1kph With the RUNNING BELT speed at 2 kph...

Page 22: ...ame NOTE To remove front roller easily release motor belt via loosen motor belt tensioning screws 2 and the four mounting screws 4 Move the motor mounting plate in the slotted holes towards the rear r...

Page 23: ...page 6 3 Remove the motor belt tensioning screws 2 Remove the four motor mounting screws NOTE Need two people in this process One person should hold the motor in case the motor drop on the floor 4 Mov...

Page 24: ...ensioning bolts to slacken the running belt 4 Loosen the motor belt tensioning screws 2 Loosen the four motor mounting screws NOTE To remove front roller easily release motor belt via loosen motor bel...

Page 25: ...motor cover NOTE In order to lift rear roller out extrusions need to be moved out of the way So motor cover has to be removed to get enough space for sliding the extrusions forward 3 Remove the end ca...

Page 26: ...ver then remove the motor cover screws 4 and washer flats 4 of the motor cover lift off the motor cover 3 Remove the end caps by removing end cap bolts 4 and washer flats 4 from each end cap 4 Slide e...

Page 27: ...and then unplug the power cord at the wall outlet 4 Remove the front motor cover screws 8 and front motor cover then remove the motor cover screws 4 and washer flats 4 of the motor cover lift off the...

Page 28: ...incline motor are changed 4 When controller CPU is changed CALIBRATION 1 To calibrate make sure the treadmill is not running running belt not moving 2 Turn power on Wait for a few seconds 3 Press the...

Page 29: ...front motor cover then remove the motor cover screws 4 and washer flats 4 of the motor cover lift off the motor cover 3 Disconnect all electrical connectors from the motor controller board Please refe...

Page 30: ...8 and front motor cover then remove the motor cover screws 4 and washer flats 4 of the motor cover lift off the motor cover 3 Remove the end caps by removing end bolts 4 and washer flats 4 from each e...

Page 31: ...hen unplug the power cord at the wall outlet 2 Remove the front motor cover screws 8 and front motor cover then remove the motor cover screws 4 and washer flats 4 of the motor cover lift off the motor...

Page 32: ...T790 Treadmill NOTES 16 Section 3...

Page 33: ...T790 Treadmill Section 4 1 Section IV SECTION IV ELECTRONIC OVERVIEW AND WIRING BLOCK DIAGRAM...

Page 34: ...t display and keypad interface It is intended to work in conjunction with the Motor Control module to form the nucleus of the I O and control system The console board periodically reads the keypad inp...

Page 35: ...T790 Treadmill ELECTRONIC OVERVIEW T790 CONSOLE Continued Section 4 3...

Page 36: ...line motor via the users selected input into the console The motor is driven by a fixed frequency variable duty cycle signal If an error condition is detected the main power relay receives its bus vol...

Page 37: ...T790 Treadmill ELECTRONIC OVERVIEW MOTOR CONTROLLER PCB Continued Section 4 5...

Page 38: ...T790 Treadmill ELECTRONIC OVERVIEW 6 Section 3...

Page 39: ...T790 Treadmill ELECTRONIC OVERVIEW Section 4 7 Section IV...

Page 40: ...T790 Treadmill ELECTRONIC OVERVIEW WIRING DIAGRAM CE VERSION 8 Section 3...

Page 41: ...k 1 WI221100 BLACK 100mm 2 2 WI222170 WHITE 170mm 1 3 WI221270 BLACK 270mm 1 4 WI222270 WHITE 270mm 1 5 WI233100 YELLOW GREEEN 100mm 2 6 D300030 BLACK 1000mm 2 7 1 BLACK 590mm 7 2 D300032 BLACK 300mm...

Page 42: ...T790 Treadmill NOTES 10 Section 3...

Page 43: ...T790 Treadmill Section 5 1 Section V SECTION V PARTS IDENTIFICATION...

Page 44: ...T790 Treadmill EXPLODED DRAWING 2 Section 5 T790 Rev C Update 2005 04 05 Explode drawing part list 050405...

Page 45: ...T790 Treadmill EXPLODED DRAWING Section 5 3 Section V T790 Rev C Update 2005 04 05 Explode drawing part list 050405...

Page 46: ...T790 Treadmill EXPLODED DRAWING 4 Section 5 T790 Rev C Update 2005 04 05 Explode drawing part list 050405...

Page 47: ...6mm 16 5 5a 5b Incline motor assy 1 5a Incline motor nut 1 5b Incline motor 1 6 6a 6g Power supply unit 1 6a Power switch 1 6b Screw dome head M4x8mm 2 6c Washer star 2 6d Power bracket 1 6e Ac inlet...

Page 48: ...flat M6x1 5mm 8 23 Screw dome head M4x8mm 25 24 Top sensor assy 2 25 Screw dome head M8x80mm 4 26 Screw dome head M8x60mm 4 27 Snap bushing 5 28 Controller assy ADT 1 29 Signal cable console 1 30 Sign...

Page 49: ...ding 2 53 Incline cap R 1 54 Screw socket head M8x65mm 1 55 Side landing bracket 2 56 Side landing fixing R 1 57 Washer star M10x0 9mm 2 58 Washer flat M10x2 0mm 2 59 Screw socket head M10x95mm 2 60 S...

Page 50: ...dome head M6x10mm 4 78 Screw dome head M5x10mm 10 79 Handle bar cover R 1 80 Handle bar cover L 1 81 Bottom sensor assy 2 82 Console connector bracket 1 83 Screw dome head M4x8mm 2 84 Hand pulse base...

Page 51: ...T790 Treadmill Section 6 1 Section VI SECTION VI MISCELLANEOUS INFORMATION...

Page 52: ...Overlay Clean Inspect CONSOLE BASE ASSY Hardware Inspect Handlebar Inspect Side Hand Rails Inspect Emergency Switch Key Clean Inspect MAIN FRAME ASSY Hardware Inspect Motor Cover Clean Drive Belt Ins...

Page 53: ...and off of the base tray I 2 Remove the handle bar box C 3 Remove all the packaging materials B and E etc 4 Remove the console box D front motor cover box F upright post box G and main frame H 5 Find...

Page 54: ...DO verify the contents of the delivery carton against the accompanying parts listing prior to setting the cartons and shipping material aside If any part is missing contact the Customer Support Servi...

Page 55: ...2 CONSOLE BASE Qty 1 3 UPRIGHT POST Qty 1 4 WASHER CURVE M8 1 5mm Qty 4 5 SCREW DOME HEAD M8 60mm Qty 4 6 WASHER FLAT M8 1 6mm Qty 12 7 SCREW DOME HEAD M8 80mm Qty 4 8 SCREW DOME HEAD M6 15mm Self ta...

Page 56: ...T790 Treadmill PREVENTIVE MAITENANCE TIPS 6 Section6...

Page 57: ...wo curve washers 4 on each side Tighten the eight bolts on the upright post 3 after they are in position NOTE Take care that the cables do not get trapped or pinched 2 ASSEMBLE THE CONSOLE BASE Use 6m...

Page 58: ...onnected properly by checking that the console display functions properly Then secure the front motor cover 9 to the base frame C with four self tapping screws 8 along the top and four screws 10 along...

Page 59: ...problem we have included for your convenience a FAX form on the following page Simply make a copy or copies of the FAX sheet and fill in the necessary information You may FAX us at any time 24 hours a...

Page 60: ...NO PART NUMBER DESCRIPTION QUANTITY 1 2 3 4 5 6 7 PRODUCT TROUBLESHOOTING PRODUCT NAME SERIAL NO DETAILED DESCRIPTION OF PROBLEM PRODUCT NAME SERIAL NO DETAILED DESCRIPTION OF PROBLEM TIME RECEIVED T...

Page 61: ...T790 Treadmill NOTES Section 6 11 Section VI...

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