CIRCLE FITNESS M8 LED Service Manual
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CIRCLE FITNESS M8 LED Service Manual

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  • Page 2: Table Of Contents

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 2 of 66 Release Date: 2017/12 TABLE OF CONTENTS PREFACE ..................................4 1. INFORMATION FOR COMPONENTS & SYSTEM ..................5 1.1 System wiring diagram ..............................5 1.2 Inverter ................................... 6 1.3 Console PCB ................................. 8 2.
  • Page 3 Document: Service Manual Description: Treadmill Model: M8 LED Page: 3 of 66 Release Date: 2017/12 6.10 Hand Pulse Plate Replacement ..........................56 6.11 Inverter Replacement ............................... 57 6.12 Incline Motor Replacement ............................59 6.13 Membrane and Overlay Replacement ........................63...

  • Page 4: Preface

    Should the reader have any questions or concerns which have not been satisfactorily addressed, ® please call, send an e-mail message, or write to the CIRCLE FITNESS Technical Support Department for assistance. Tel: +886-4-2359-1000#259 Fax: +886-4-3505-5801 Email: chris.chang@pandfbrother.com...

  • Page 5: Information For Components & System

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 5 of 66 Release Date: 2017/12 1. INFORMATION FOR COMPONENTS & SYSTEM 1.1 System wiring diagram...

  • Page 6: Inverter

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 6 of 66 Release Date: 2017/12 1.2 Inverter 1.2.1 Definition of AC input (TB1) Terminal Terminal type Terminal remark Terminal description name AC input AC input P10ML-03 Grounding 1.2.2 Definition of EMI Filter (CN4)
  • Page 7 Document: Service Manual Description: Treadmill Model: M8 LED Page: 7 of 66 Release Date: 2017/12 1.2.3 Definition of RPM speed (J6) Terminal name Terminal type Terminal remark Terminal description XH 2P RPM Signal input RPM speed 2.5mm 180°M 1.2.4 Definition of Incline motor connector (J8)

  • Page 8: Console Pcb

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 8 of 66 Release Date: 2017/12 1.3 Console PCB 1.3.1 Definition of J16 (RJ45 Connector) Define RS-485 DX+ Define RS-485 DX- 1.3.2 Definition of J8 (Heart rate, Hand Pulse) Connector Define Hand contact info.
  • Page 9 Document: Service Manual Description: Treadmill Model: M8 LED Page: 9 of 66 Release Date: 2017/12 1.3.7 Definition of J4 (Bluetooth) Connector Define RS-232-Rx RS-232-Tx 1.3.8 Definition of J2 (Bluetooth) Connector Define...

  • Page 10: Error Messages And Solutions

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 10 of 66 Release Date: 2017/12 2. ERROR MESSAGES AND SOLUTIONS Item Error Message Descriptions Output power is too low while in motion (DC Bus lower than 150V), input voltage of 220VAC system is lower than 110VAC, and input voltage of 110VAC system is lower than 70V AC.
  • Page 11 Document: Service Manual Description: Treadmill Model: M8 LED Page: 11 of 66 Release Date: 2017/12 Item Error Message Descriptions CALORIES TIME Flash application of inverter error, the inverter should be replaced. PrEr CALORIES TIME EEPROM of inverter error, the inverter should be replaced.
  • Page 12 Document: Service Manual Description: Treadmill Model: M8 LED Page: 12 of 66 Release Date: 2017/12 Item Error Message Descriptions to become too high, it’s probably in a long term of Need exchange status so that because the current is too high, should replace running belt/deck and properly add lubrication (non-self lubricating system), check the input current status;...
  • Page 13 Document: Service Manual Description: Treadmill Model: M8 LED Page: 13 of 66 Release Date: 2017/12 14. Press GO then Message window shows”EMERGENCY STOP”: Emergency protection of inverter. EMERGENCY STOP Remove the console back cover. Remove the Emergency stop wire. Press GO to start.

  • Page 14: Engineering Mode

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 14 of 66 Release Date: 2017/12 3. ENGINEERING MODE 3.1 Engineering Mode 1: Information In idle mode, press (Clear) button and press “0020” on numeric keypad then press (Enter) button. MESSAGE window shows “FACTORY SETTINGS” once then provided the information...

  • Page 15: Engineering Mode 2: Settings

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 15 of 66 Release Date: 2017/12 3.2 Engineering Mode 2: Settings In idle mode, press (Clear) button and press “0001” on numeric keypad then press (Enter) button. MESSAGE window shows “FACTORY SETTINGS” once then provided the information...
  • Page 16 Document: Service Manual Description: Treadmill Model: M8 LED Page: 16 of 66 Release Date: 2017/12 T (Unit) setting: (Metric/Imperial) GS setting: (GS INCLINE ON/ GS INCLINE OFF) MESSAGE window shows “UNITS METRIC”, press MESSAGE window shows “GS INCLINE OFF”, “Fast/Slow/Up/Down” to change to “UNITS press “Fast/Slow/Up/Down”...

  • Page 17: Engineering Mode 3: Lock Function

    Please repeat the login process again. Use numeric keypads to set password and press button to return to idle mode. (Setting range: 0-9999, 0 means lock function is disabled.) 3.3.2 Unlock Please contact Circle Fitness if you need further assistance.

  • Page 18: Inverter And External Control Keypad

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 18 of 66 Release Date: 2017/12 4. INVERTER AND EXTERNAL CONTROL KEYPAD 4.1 External Keypad Connection and Moniter Mode 1) Connect the External Keypad (KP-208) to the inverter as showing below.

  • Page 19: Use External Key Pad To Control: Start/ Stop/ Accelerate/ Slow Down

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 19 of 66 Release Date: 2017/12 4.2 Use External Key Pad to Control: Start/ Stop/ Accelerate/ Slow down You can press PROG to login parameter page in any mode then press ▲ ▼ to select F_001.

  • Page 20: Use External Key Pad To To Control: Incline

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 20 of 66 Release Date: 2017/12 4.3 Use external Key Pad to to Control: Incline Monitor mode Incline present parameter. Incline parameter set point. Incline up Incline down...

  • Page 21: Maintenance

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 21 of 66 Release Date: 2017/12 5. MAINTENANCE WARNING! Always unplug the power cord before cleaning, lubricating, or performing any maintenance. 5.1 General Maintenance The safety of the equipment can be maintained only if it is examined regularly for damage or wear.

  • Page 22: How To Spray Silicone On Deck

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 22 of 66 Release Date: 2017/12 5.3 How to spray silicone on deck 1). Find the silicone bottle (Fig 5.3-1). It put into hardware kit package when you purchase this treadmill, and open the carton box.

  • Page 23: Preventive Maintenance Schedule

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 23 of 66 Release Date: 2017/12 5.4 Preventive Maintenance Schedule IMPORTANT! Always remove the key and unplug the power cord before cleaning, lubricating, or performing any maintenance. Follow the schedule below to ensure proper operation of this equipment.

  • Page 24: Running Belt/Deck Maintenance Schedule

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 24 of 66 Release Date: 2017/12 5.5 Running Belt/Deck Maintenance Schedule Running Belt/Deck Design Change History Model Running belt Running deck Maintenance Method F570063-001 F580028-000 Long-term solution for Siegling 7131 M8/615*1401*26.4t bottom-worn-out issue on 580*3340*1.6t prewax Belt...

  • Page 25: Troubleshooting The Treadmill

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 25 of 66 Release Date: 2017/12 5.6 Troubleshooting the Treadmill SYMPTOM CAUSE SOLUTION Console display A).No power to treadmill. A).Check the on-off switch is on, switch does not illuminate. indicator shall be light. If not light, check AC power source.
  • Page 26 Document: Service Manual Description: Treadmill Model: M8 LED Page: 26 of 66 Release Date: 2017/12 5.7 Check if the Console power source is damaged. Open the motor housing. Measure the output voltage of inverter is 12V or not. Replace inverter.

  • Page 27: Part Replacement Guide

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 27 of 66 Release Date: 2017/12 6. Part Replacement Guide 6.1 Toolkits & Components Required Open End Wrench T-type Wrench Allen Wrenches Belt Tension Gauge Screw Driver Combination Wrench...

  • Page 28: Drive Belt Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 28 of 66 Release Date: 2017/12 6.2 Drive Belt Replacement STEP 1: Remove the Motor Covers by losing the screws. STEP 2: Loosen 2 Tensioning screws on the rear roller via Allen wrench.
  • Page 29 Document: Service Manual Description: Treadmill Model: M8 LED Page: 29 of 66 Release Date: 2017/12 STEP 4: Remove 2 mounting screws on the front roller. STEP 5: Loosen 3 motor mounting screws on motor plate. STEP 6: Remove the drive belt and pull the front roller up to replace the new drive belt.
  • Page 30 Document: Service Manual Description: Treadmill Model: M8 LED Page: 30 of 66 Release Date: 2017/12 STEP 8: The motor pulley Checking pulley groove in V-Belt Drive The motor pulley: The V-belt located the motor pulley and the sheave Grooves without gap.
  • Page 31 Document: Service Manual Description: Treadmill Model: M8 LED Page: 31 of 66 Release Date: 2017/12 STEP 11: Pull up the belt to vibrate the belt, and then use the tension gauge to measure the tension value for several times. To average the measurement to compare with the factory default as well as.
  • Page 32 Document: Service Manual Description: Treadmill Model: M8 LED Page: 32 of 66 Release Date: 2017/12 STEP 14: Put the drive belt onto the drive belt guide fixture, to attach the front roller pulley and push outer ring of the motor to guild the drive belt is gradually slide into the grove of the front roller pulley.

  • Page 33: Drive Motor Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 33 of 66 Release Date: 2017/12 6.3 Drive Motor Replacement STEP 1: Remove the Motor Covers by losing the screws. STEP 2: Remove 3 motor mounting screws on motor plate. STEP 3: Remove the Drive Belt from motor output shaft.
  • Page 34 Document: Service Manual Description: Treadmill Model: M8 LED Page: 34 of 66 Release Date: 2017/12 STEP 7: Remove the ribbon cable of motor on inverter metal sheet case. STEP 8: Remove the motor from the frame. Cleaning up all excessive belt...
  • Page 35 Document: Service Manual Description: Treadmill Model: M8 LED Page: 35 of 66 Release Date: 2017/12 STEP 10: Place and install spacer fixture (located between the motor mounting back side and the edge of frame). STEP 11: Make both front roller pulley and the...
  • Page 36 Document: Service Manual Description: Treadmill Model: M8 LED Page: 36 of 66 Release Date: 2017/12 STEP 13: Secure 3 motor mounting screws on motor plate. Plug in the motor power connector into the inverter. STEP 14: Put the motor cover back and secure 2 screws on motor cover to assemble.

  • Page 37: Running Belt Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 37 of 66 Release Date: 2017/12 6.4 Running Belt Replacement STEP 1: Remove the Motor Covers by losing the screws. STEP 2: Loosen 2 Tensioning screws on the rear roller via Allen wrench.
  • Page 38 Document: Service Manual Description: Treadmill Model: M8 LED Page: 38 of 66 Release Date: 2017/12 STEP 4: Remove 2 mounting screws on the front roller. STEP 5: Loosen 3 motor mounting screws on motor plate. STEP 6: Remove the drive belt and pull the front roller up to take the drive belt out of the front roller.
  • Page 39 Document: Service Manual Description: Treadmill Model: M8 LED Page: 39 of 66 Release Date: 2017/12 STEP 8: Remove the tensioning screws on the rear roller. STEP 9: Remove the 4 deck screws at 4 corners via the Philips screwdriver. STEP 10:...
  • Page 40 Document: Service Manual Description: Treadmill Model: M8 LED Page: 40 of 66 Release Date: 2017/12 STEP 11: Position the rear roller and the front roller through belt The Rear Roller and let roller bearing rest on roller brackets. Secure the front mounting screws via M6 wrench.
  • Page 41 Document: Service Manual Description: Treadmill Model: M8 LED Page: 41 of 66 Release Date: 2017/12 STEP 16: Put the motor cover back and secure 2 screws on motor cover to assemble. STEP 17: To properly tension a new running belt, using M6 torque wrench (45 kgf-cm) and Allen wrench.

  • Page 42: M8 Treadmill Side Rails Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 42 of 66 Release Date: 2017/12 6.5 M8 Treadmill Side Rails Replacement STEP 1: Remove the Motor Covers by losing the screws. STEP 2: Remove 4 screws on rear roller cover via screw driver.
  • Page 43 Document: Service Manual Description: Treadmill Model: M8 LED Page: 43 of 66 Release Date: 2017/12 STEP 4: Remove the right & left upper side rails from the treadmill. STEP 5: Remove the Side Rail Support bolts via wrench and screw driver.
  • Page 44 Document: Service Manual Description: Treadmill Model: M8 LED Page: 44 of 66 Release Date: 2017/12 STEP 7: Remove the right & left side rails for replacement. STEP 8: Place and install new side rails on both sides. To make sure the Side Rail Support point on right position.
  • Page 45 Document: Service Manual Description: Treadmill Model: M8 LED Page: 45 of 66 Release Date: 2017/12 STEP 10: Put the right & left upper side rails back on treadmill. NOTE: The side rail support should be placed in the upper side rail groove.
  • Page 46 Document: Service Manual Description: Treadmill Model: M8 LED Page: 46 of 66 Release Date: 2017/12 STEP 13: Put the motor cover back and secure 2 screws on motor cover to assemble. STEP 14: To properly tension a new running belt, using M6 torque wrench (45 kgf-cm) and Allen wrench.

  • Page 47: Remove And Replace The Quick Shift And Adjust The Tightness

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 47 of 66 Release Date: 2017/12 6.6 Remove and Replace the Quick Shift and Adjust the Tightness STEP 1: Remove the mounting screws on right & left Handle Bars to disassemble Handle Bars.
  • Page 48 Document: Service Manual Description: Treadmill Model: M8 LED Page: 48 of 66 Release Date: 2017/12 STEP 4: Take out the quick shift assembly as shown. STEP 5: The plastic white screw and the grub screw are used to control the tightness of the quick shift stick as figure above.
  • Page 49 Document: Service Manual Description: Treadmill Model: M8 LED Page: 49 of 66 Release Date: 2017/12 STEP 7: Install the grub screw as below and tighten it until the ball in the screw sits on the hole on the moving stick.
  • Page 50 Document: Service Manual Description: Treadmill Model: M8 LED Page: 50 of 66 Release Date: 2017/12 NOTE: If needed, you may further dissemble the assembly as below.

  • Page 51: Align The Quick Shift To Central Position

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 51 of 66 Release Date: 2017/12 6.7 Align the Quick Shift to Central Position STEP 1: Measure whether the quick shift stick is in the center or not. STEP 2: Unscrew the positioning screws for the quick shift assembly.

  • Page 52: Panel Of Console Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 52 of 66 Release Date: 2017/12 6.8 Panel of Console Replacement STEP 1: Remove seven screws on Lower Console Cover to disassemble. STEP 2: Remove the cables and wires on Panel of Console.
  • Page 53 Document: Service Manual Description: Treadmill Model: M8 LED Page: 53 of 66 Release Date: 2017/12 STEP 4: Take the Panel out of Console Frame and replace the New Panel. Secure twelve screws on the Panel of Console to assemble. STEP 5: Plug the cables and wires back into the Panel.

  • Page 54: Emergency Stop Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 54 of 66 Release Date: 2017/12 6.9 Emergency Stop Replacement STEP 1: Remove the 4 screws on Emergency Stop Lower Cover via M2 wrench. Remove the Emergency Stop Lower Cover. STEP 2:...
  • Page 55 Document: Service Manual Description: Treadmill Model: M8 LED Page: 55 of 66 Release Date: 2017/12 STEP 4: Place and install the on Emergency Stop Lower Cover and secure 4 screws (part 1) for complete.

  • Page 56: Hand Pulse Plate Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 56 of 66 Release Date: 2017/12 6.10 Hand Pulse Plate Replacement STEP 1: Remove 4 screws on Right & Left Lower Hand Pulse Plate via screw driver to disassemble. STEP 2: Unplug the Hand Pulse Transfer from Upper &...

  • Page 57: Inverter Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 57 of 66 Release Date: 2017/12 6.11 Inverter Replacement STEP 1: Remove the Motor Covers by losing the screws. STEP 2: Remove the 4 screws at 4 corners via the Philips screwdriver.
  • Page 58 Document: Service Manual Description: Treadmill Model: M8 LED Page: 58 of 66 Release Date: 2017/12 STEP 4: Plug the Cable Wire, Motor Core Wire, Fan Wire, Incline Motor Wire and EMI Filter Wire into the Inverter for complete.

  • Page 59: Incline Motor Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 59 of 66 Release Date: 2017/12 6.12 Incline Motor Replacement STEP 1: Turn on the power of the treadmill and adjust the incline level to maximum. STEP 2: Place a sturdy objects under the treadmill and life the treadmill to keep balance.
  • Page 60 Document: Service Manual Description: Treadmill Model: M8 LED Page: 60 of 66 Release Date: 2017/12 STEP 4: Remove top bolt and screw on the top incline motor via 17 wrench. STEP 5: Unplug the (Black, Red and White) connector on inverter and (Green) wire on the frame.
  • Page 61 Document: Service Manual Description: Treadmill Model: M8 LED Page: 61 of 66 Release Date: 2017/12 STEP7: Plug the (Black, Red and White) connector into the inverter and install the (Green) wire on the frame. Switch on the power, the incline motor will be zeroed automatically if its not at the zero position.
  • Page 62 Document: Service Manual Description: Treadmill Model: M8 LED Page: 62 of 66 Release Date: 2017/12 STEP10: Screw bottom bolt and screw on threaded rod of incline motor via M17 wrench to assemble. Secure the Top bolt and screw should be fully tightened.

  • Page 63: Membrane And Overlay Replacement

    Document: Service Manual Description: Treadmill Model: M8 LED Page: 63 of 66 Release Date: 2017/12 6.13 Membrane and Overlay Replacement STEP 1: Remove seven screws on Lower Console Cover to disassemble. STEP 2: Release screws to disassemble the Lower Console Base.
  • Page 64 Document: Service Manual Description: Treadmill Model: M8 LED Page: 64 of 66 Release Date: 2017/12 STEP 3: Remove the flexible flat cable of membrane on the PCB of console. STEP 4: Remove the faulty membrane and overlay on Console. Clearing the Upper...
  • Page 65 Document: Service Manual Description: Treadmill Model: M8 LED Page: 65 of 66 Release Date: 2017/12 Plug the flexible flat cable of membrane back on the PCB of console and plug it in.. STEP 7: Remove the protective film from the back of the...
  • Page 66 Document: Service Manual Description: Treadmill Model: M8 LED Page: 66 of 66 Release Date: 2017/12 STEP 8: Put the Lower Console Base back and secure the mounting screws to assemble. Put the Lower Console Cover back and secure the mounting screws to...

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