T790 Treadmill 1dmill Customer Support Services SERVICE MANUAL
T790 Treadmill INTRODUCTION HOW TO USE SERVICE MANUAL AND CONTACT CUSTOMER SUPPORT SERVICES This service manual is applicable to Treadmill T790. Note: Information represents typical configuration and may differ slightly from actual equipment. The Service Manual provides recommendations of safe and efficient approaches to problem situations. This manual is separated into six sections.
T790 Treadmill TABLE OF CONTENTS SECTION I TROUBLESHOOTING GUIDE PAGE ELECTRONIC PROBLEMS……..……….…………..………………………………………………………… 2 ELECTRICAL PROBLEMS……………..………………………………………………………..…………….. 3 MECHANICAL PROBLEMS……………………………………………………….……………….…………... 4 OTHER PROBLEMS…….……………………………………………………………………………………… 5 SECTION II OPERATING CONSOLE OPERATING ……………………………………………………………...……………………...……………… 2 OPERATING T790 CONSOLE……………..……………………………..……. …………………………….. 2 SETUP MODE……………………………. …………………………. ……………….
T790 Treadmill TROUBLESHOOTING GUIDE SECTION VI MISCELLANEOUS INFORMATION PREVENTIVE MAINTENANCE………………………………………………………………………………... 2 UNPACKAGING INSTRUCTIONS…………………………………………………………………………….. 3 INSTALLATION INSTRUCTIONS……………………………………………………………………………… 4 LIFE FAX……….…………..…………………………………………………………………………………….. 9 NOTES……….
T790 Treadmill Section I SECTION I TROUBLESHOOTING GUIDE Section 1 1
T790 Treadmill TROUBLESHOOTING GUIDE ELECTRONIC PROBLEMS Code Possible Cause Recommended Action Err3 a. Safety tether key not inserted I. Insert safety tether key into monitor Safety tether key error b. Human factor – e.g. II. Remove the thing that is inserted Something may be put inside III. Replace console the console c. Safety key micro switch defect d. Safety key micro switch terminal inside console looses Err5 a. Time delay problem Incline motor error b.
T790 Treadmill TROUBLESHOOTING GUIDE ELECTRICAL PROBLEMS Possible Cause Recommended Action No display on the Power not on Turn the switch to the ON position console Line cord damaged Replace the line cord Line cord improperly seated in Inspect power connection at wall outlet and at machine for socket proper contact Insufficient power source Plug treadmill into a dedicated circuit Power switch damaged Change power switch The metal plate of micro switch is Set the metal plate back to the righ
T790 Treadmill TROUBLESHOOTING GUIDE MECHANICAL PROBLEMS Problem Running belt slips Running belt Possible Cause Recommended Action a. Running belt not tight enough a. Adjust running belt tension b. Drive belt not tight enough b. Adjust drive belt tension a. Insufficient lubrication a. Apply silicone lubricant a. Running belt too tight a. Adjust running belt or change a new one b. The connection part of the b.
T790 Treadmill Section II SECTION II OPERATING CONSOLE Section 2 1
T790 Treadmill OPERATING T790 CONSOLE DISPLAY VALUES Display Resolution Range Increment Display window PULSE XXX 40-240 1 Left top LED window ELEVATION (%) XX.X 0.0-15.0 1% Left bottom LED window DISTANCE (Miles) XX.X 00.1 – 99.0 0.1 Right top LED window DISTANCE (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.
T790 Treadmill OPERATING T790 CONSOLE TWO WORKOUT OPTIONS: Manual mode (Quick start): Turn power on 2. Use START button to activate treadmill in manual mode. 3. During workout manually adjust speed and or elevation 4. Stop treadmill at any time. Starts treadmill at 1.0 Km/H and 0% grade Pre-set program mode: 1. Turn power on 2. Select one of pre-set programs 3. During workout treadmill will adjust speed and elevation according to custom program settings.
T790 Treadmill OPERATING T790 CONSOLE 14. After the total values are displayed twice slowly, the display will go to the beginning and ready treadmill for the next workout. If during the display of totals, STOP is pressed, display will go directly to the beginning and ready treadmill for the next workout. Pre-set program display logic: 1. When one of the numerical key is pressed before workout, it means program selection. will display on the LCM and the program profile will display on the dot matrix.
T790 Treadmill OPERATING T790 CONSOLE Direct Speed Control logic (safety considerations) : During workout, when direct speed key is pressed….to make sure that user knows that button he has pushed…no surprises or buttons pressed by mistake…. The dot matrix will display “speed” and “value” value for the new speed in big size and speed in mid size. This will show user that he has increased/decreased speed.
T790 Treadmill OPERATING T790 CONSOLE DURING WORKOUT: Speed or elevation adjustments For elevation adjustments use UP or DOWN. For speed adjustments use FAST and SLOW or direct speed control buttons. or stop the treadmill If stop is pressed during workout, the program is suspended. minutes in the center display window. During pause no other keys other than STOP and START are active. presses STOP during pause, program ends. proceeds where it was stopped.
T790 Treadmill OPERATING T790 CONSOLE Setup Mode Remark: FAST=SPEED+ SLOW=SPEED- Initial state SLOW +STOP FAST START Section II (KM/ML) SETUP MODE (Press STOP to Initial state) KM/ML toggle AUTO SLOW Version number FAST SLOW Total time FAST START Clear lubrication message SLOW Total mileages Clear lubrication message START FAST+STOP DIAGNOSTIC MODE( Press STOP to Initial state ) All LEDs off All LEDs on START FAST SLOW AUTO Calibration mode FAST START Run calibration SLOW Last err
T790 Treadmill NOTES 8 Section 2
T790 Treadmill SECTION III Section III HOW TO … SERVICE AND REPAIR GUIDE Section 2 1
T790 Treadmill How To… Replace The Running Belt and Deck Tools Required: Allen key set, Phillips screwdriver, tape measure, rubber hammer, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, and then unplug the power cord at the wall outlet. 2.
T790 Treadmill How To… Replace The Running Belt and Deck - Continued Tools Required: Allen key set, Phillips screwdriver, tape measure, rubber hammer, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION – Continued 10. Remove the front roller long screw, short screw, and curve washer from the front roller mounting brackets, and then lift the front roller out of the running belt. If necessary, remove the motor drive belt. 12.
T790 Treadmill How To… Adjust The Running Belt Tracking Tools Required: Allen key set. (All fasteners are metric. Make sure that you have metric tools.) 1. After the treadmill has been installed and leveled, the belt must be checked for confirm proper tracking. First, plug the power cord into an appropriate outlet and turn the treadmill ON. 2. Press the QUICK START button then increase speed to 18.0kph motor speed using the UP arrow. 3.
T790 Treadmill How To…How To Adjust The Running Belt Tension Tools Required: Allen key set. (All fasteners are metric. Make sure that you have metric tools.) 1. Locate the two BELT TENSIONING BOLTS on each side of the REAR ROLLER MOUNTING BRACKETS. The TENSIONING BOLTS are accessible from the holes provided in the REAR ROLLER GUARDS. 2. Enter the manual program and adjust the belt alignment by operating at 8.0kph for five minutes. DO NOT run on the belt. 3.
T790 Treadmill How To… Replace The Motor Drive Belt Tools Required: Allen key set, Phillips screwdriver, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, then 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 cover. 3.
T790 Treadmill How To…Replace The Drive Motor Tools Required: Allen key set, Phillips screwdriver, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. 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 cover. 2. Disconnect all connectors from the motor (Please refer to WIRING DIAGRAM – Section IV, page 6). 3.
T790 Treadmill How To… Replace The Front Roller Tools Required: Allen key set, Phillips screwdriver, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, and then 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 cover. 3.
T790 Treadmill How To…Replace The Rear Roller Tools Required: Allen key set, Phillips screwdriver, rubber hammer, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, and then 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 cover.
T790 Treadmill How To… Replace The Deck Cushion Tools Required: Allen key set, Phillips screwdriver, tape measure, rubber hammer, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, and then unplug the power cord at the wall outlet. 2.
T790 Treadmill How To…Replace The Incline Motor Tools Required: Phillips screwdriver, Sharp nose pliers, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. Turn power on. Check to see if treadmill is at 7 or 8% incline. 2. If unable to operate at the console, then connect incline motor wires directly to AC lines. This power will make incline go to 7 or 8%.
T790 Treadmill How To…Replace The Incline Motor - Continued Tools Required: Phillips Screwdriver (All fasteners are metric. Make sure that you have metric tools.) When incline motor needs calibration: 1. When controller is changed. 2. When incline motor is changed. 3. When both controller and 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.
T790 Treadmill How To…Replace The Motor Controller Tools Required: Phillips Screwdriver (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, then 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 cover. 3.
T790 Treadmill How To…Replace The Aluminum Side Landing Tools Required: Phillips screwdriver, Sharp nose pliers, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, then 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 cover. 3.
T790 Treadmill How To…Replace The Incline Structure Tools Required: Phillips screwdriver, Sharp nose pliers, and open end wrench set. (All fasteners are metric. Make sure that you have metric tools.) REMOVAL AND INSTALLATION 1. At the power switch, turn OFF the unit, then 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 cover.
T790 Treadmill NOTES: 16 Section 3
T790 Treadmill SECTION IV Section IV ELECTRONIC OVERVIEW AND WIRING BLOCK DIAGRAM Section 4 1
T790 Treadmill ELECTRONIC OVERVIEW – T790 CONSOLE 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.
T790 Treadmill ELECTRONIC OVERVIEW – T790 CONSOLE - Continued Section 4 3
T790 Treadmill ELECTRONIC OVERVIEW – MOTOR CONTROLLER PCB Function Description The Motor Controller PCBs are designed to act as an interface between the Drive motor, Display Console and the Incline Motor. The desired belt speed and elevation is sent down to the motor controller and incline motor via the users selected input into the console. The motor is driven by a fixed frequency variable duty cycle signal.
T790 Treadmill ELECTRONIC OVERVIEW – MOTOR CONTROLLER PCB - Continued Section 4 5
T790 Treadmill ELECTRONIC OVERVIEW 6 Section 3
Section IV T790 Treadmill ELECTRONIC OVERVIEW Section 4 7
T790 Treadmill ELECTRONIC OVERVIEW – WIRING DIAGRAM(CE VERSION) 8 Section 3
T790 Treadmill ELECTRONIC OVERVIEW – PART LIST(CE VERSION) T790 CE Layout-D-040903 Item. PART NO.
T790 Treadmill NOTES: 10 Section 3
T790 Treadmill SECTION V Section V PARTS IDENTIFICATION Section 5 1
T790 Treadmill EXPLODED DRAWING T790 (Rev.C) Update: 2005.04.
T790 Treadmill EXPLODED DRAWING Update: 2005.04.05 Section V T790 (Rev.
T790 Treadmill EXPLODED DRAWING T790 (Rev. C) Update: 2005.04.
T790 Treadmill EXPLODED DRAWING PART LIST PART LIST SEPARATE + EXPLODED DRAWING QTY. 1 Anti-slip rubber(R) 1 2 Connection tube bushing 2 3(3a~3d) Incline moving wheel assy 2 3a Screw, dome head, M8x60mm. 1 3b Washer, flat, M8X1.6mm 2 3c Incline moving wheel 1 3d Nut, crown, M8x6.5mm 1 4 Washer, flat, M8X1.6mm 16 Incline motor assy 1 5a Incline motor nut 1 5b Incline motor 1 Power supply unit 1 6a Power switch 1 6b Screw, dome head, M4x8mm.
T790 Treadmill EXPLODED DRAWING ITEM No. QTY. 13 Deck cushion 8 14 Support foot assy 2 15 Upright post assy 1 16 Console base assy 1 17 Special screw hex head 2 Side landing assy 2 18a Single-back sponge rubber 1 18b Side landing 1 19 Washer, star 8 20 R pin 1 21 Incline motor pin 1 22 Washer, flat, M6x1.5mm. 8 23 Screw, dome head, M4x8mm. 25 24 Top sensor assy 2 25 Screw, dome head, M8x80mm.
T790 Treadmill EXPLODED DRAWING QTY. 42 Screw, dome head, M6x15mm. 4 43 Screw, socket head, M8x40mm. 1 44 Washer, curve, M8x1.5mm 5 45 Front roller assy 1 46 Drive belt 1 47 Washer, flat M6x1.6mm 10 48 Running belt 1 49 Rear roller assy 1 50 Deck guard 2 51 Deck 1 52 Aluminium side landing 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.
T790 Treadmill EXPLODED DRAWING ITEM No. 8 PART LIST SEPARATE + EXPLODED DRAWING QTY. 74 Upright post (Aluminium) 1 75 Upright post sub welded 1 76 Upright post welded 1 77 Screw, 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 2 85 Anti-slip rubber (L) 1 86 Motor washer 4 87 Screw, dome head, M5x15mm.
T790 Treadmill SECTION VI Section VI MISCELLANEOUS INFORMATION Section 6 1
T790 Treadmill PREVENTIVE MAITENANCE TIPS Preventive Maintenance Schedule ITEM WEEKLY MONTHLY QUARTERLY CONSOLE Hardware Overlay BI-ANNUAL ASSY Inspect Inspect Clean CONSOLE BASE ASSY Hardware Handlebar Side Hand Rails Emergency Switch/Key Inspect Inspect Inspect Clean Inspect MAIN FRAME ASSY Hardware Motor Cover Drive Belt Front Roller Rear Roller Inspect Clean Inspect Inspect Inspect UPRIGHT POST ASSY Overlay Clean Inspect Upright Post(Aluminum) Clean Clean FRONT MOTOR COVER Front Motor
T790 Treadmill UNPACKAGING INSTRUCTIONS CAUTION: For your own safety, remove the treadmill from the carton. 1. Remove all banding from the corrugated shipping container. the base tray (I). Carefully lift the shipping container (A) up and off of 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.
T790 Treadmill PREVENTIVE MAITENANCE TIPS IMPORTANT SAFETY INSTRUCTIONS! ⇒ DO NOT position the rear of the treadmill within 6 feet (2 meter) of the nearest obstruction. ⇒ DO NOT locate the treadmill outdoors, near swimming pools, or in areas of high humidity. ⇒ DO verify the contents of the delivery carton against the accompanying parts listing prior to setting the cartons and shipping material aside.
TOOLS REQUIRED FOR ASSEMBLEY… 6mm Hex wrench, 6mm T wrench, 13mm combo wrench and Phillips screwdriver (provided) PARTS DESCRIPTION CONSOLE 2 CONSOLE BASE 3 UPRIGHT POST 4 WASHER, CURVE M8*1.5mm SCREW, DOME HEAD M8*60mm WASHER, FLAT M8*1.6mm SCREW, DOME HEAD M8*80mm SCREW, DOME HEAD M6*15mm (Self tapping screw) FRONT MOTOR COVER 5 6 7 8 9 12 SCREW, DOME HEAD M6*15mm NUT, HEX M8*6.5mm SCREW, DOME HEAD M8*15mm 13 WASHER, STAR M8*0.
T790 Treadmill PREVENTIVE MAITENANCE TIPS 6 Section6
IMPORTANT! DO NOT DISCARD THE TOOLS AND HARDWARE KIT. ALL COMPONENTS ARE NEEDED TO COMPLETE THE INSTALLATION 1. ASSEMBLE THE UPRIGHT POST Use 6mm hex wrench to perform this assembly procedure.
T790 Treadmill PREVENTIVE MAITENANCE TIPS so that they lay inside plastics. Then gently set the console (1) on the console base (2) by aligning the three pins. Be careful not to pinch or damage the cables. Once you have the console in place, secure the console with three nuts (11) and washers (4). Tighten the three nuts on the console base (2) after they are in position. 4. ASSEMBLE THE FRONT COVER Use Phillips screwdriver to perform this assembly procedure.
T790 Treadmill COMMUNICATING BY FAX Section VI If you would like to submit a part order, or if you need help troubleshooting a 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 day, to either of the numbers shown. A HS service representative will process your order, or respond to your problem, as quickly as possible.
□ □ PARTS ORDER □ □ (IF BOTH PLEASE INDICATE) PRODUCT TROUBLESHOOTING SALE WARRANTY NAME: CUSTOMER NO: DATE: PHONE: FAX: CONTACT NAME: METHOD OF SHIPMENT: □ 1 DAY □ 2 DAY □ GROUND PARTS ORDER FORM ITEM 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: TIME COMPLETED: TECHNICIAN NAME: Healthstream Taiwan Inc.
Section VI T790 Treadmill NOTES: Section 6 11
