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Johnson EP703, Service Manual, Page: 3 / 28

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CONTENTS

CHAPTER 1: SERIAL NUMBER LOCATION

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1

1.1 Serial Number Location

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1

CHAPTER 2: PREVENTATIVE MAINTENANCE

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CHAPTER 3: CONSOLE INSTRUCTION

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3.1 Console Operation

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3.2 Display Window

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3.3 Getting Started

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3.4 Program Information

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CHAPTER 4: ENGINEERING MODE

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4.1 Engineering Mode

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4.2 Engineering Mode Overview

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CHAPTER 5: TROUBLESHOOTING

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5.1 Wiring Schematic

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5.2 No Power To The Console

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5.3 ECB Controller Instruction

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5.4

 

No

 

R

PM 

Display

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5.5 No Resistance Or Incorrect Resistance

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5.6 Heart Rate Function Issues

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CHAPTER 6: PART REPLACEMENT

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6.1 Console Replacement

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6.2 Console Mast Replacement

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6.3 Arm Set Replacement

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6.4 Link Arm Replacement

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6.5 Crank Set Replacement

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6.6 Side Cover Replacement

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6.7 ECB Controller Replacement

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Summary of Contents for EP703

Page 1: ...JOHNSON Issue Date Edition 01 Doc No Revision Date Edition Time 01 Total Page 25 Johnson Industries Shanghai Co Ltd 7 0AE EP703 Service Manual Approval Review Editor Hans Kong ...

Page 2: ...PRODUCT BROWSE ...

Page 3: ...4 2 Engineering Mode Overview 10 CHAPTER 5 TROUBLESHOOTING 12 5 1 Wiring Schematic 12 5 2 No Power To The Console 13 5 3 ECB Controller Instruction 14 5 4 No RPM Display 15 5 5 No Resistance Or Incorrect Resistance 16 5 6 Heart Rate Function Issues 18 CHAPTER 6 PART REPLACEMENT 19 6 1 Console Replacement 19 6 2 Console Mast Replacement 20 6 3 Arm Set Replacement 21 6 4 Link Arm Replacement 22 6 5 ...

Page 4: ...1 CHAPTER 1 SERIAL NUMBER LOCATION 1 1 Serial Number Location ...

Page 5: ...g the power cord from the wall outlet Wipe down the elliptical with a damp cloth Never use solvents as they can cause damage to the elliptical Inspect the power cord If the power cord is damaged contact Horizon Fitness Make sure the power cord is not underneath the elliptical or in any other area where it can become pinched or cut Weekly Clean underneath the elliptical following these steps Turn o...

Page 6: ...cline more quickly I RESISTANCE QUICK KEYS used to reach desired resistance more quickly J FAN KEY press to turn fan on and off K FAN personal workout fan L SPEAKERS music plays through speakers when your CD MP3 player is connected to the console M AUDIO IN JACK plug your CD MP3 player into the console using the included audio adaptor cable N AUDIO OUT HEADPHONE JACK plug your headphones into this...

Page 7: ...wer output 3 3 Getting Started 1 Check to make sure no objects are nearby that will hinder the movement of the elliptical 2 Plug in the power cord and turn the elliptical ON Switch is located at the bottom front of the elliptical NOTE Some Ellipticals may not have a power switch and will turn on when power is supplied A QUICK START UP Simply press the START key to begin working out The time will c...

Page 8: ...djust song settings 3 Remove the AUDIO ADAPTOR CABLE when not in use 4 If you don t want to use the SPEAKERS you can plug your headphones into the AUDIO OUT JACK at the bottom of the console 5 To connect to the Bluetooth speakers open your Bluetooth settings turn on Bluetooth scan for new devices look for Horizon 7 0AE and select connect 3 4 Program Information 1 Manual Control everything about yo...

Page 9: ...nd steady is the name of the game to maximize your weight loss goals Promote weight loss by increasing and decreasing the resistance while keeping you in your fat burning zone Resistance changes segments repeat every 60 seconds 5 Hill Climb Simulates a hill ascent and descent This program helps tone muscle and improve cardiovascular ability Incline and resistance change and segments repeat every 6...

Page 10: ...your training is to find out your maximum heart rate max HR 220 your age The age based method provides an average statistical prediction of your max HR and is a good method for the majority of people especially those new to heart rate training The most precise and accurate way of determining your individual max HR is to have it clinically tested by a cardiologist or exercise physiologist through t...

Page 11: ... specifically to keep you motivated and engaged gradually building your strength increasing your stamina and giving you the confidence it takes to complete your first 5k 8 Custom Allows you to create and reuse your perfect workout with a combination of a specific resistance incline and time or distance The ultimate in personal programming This is a time or distance based goal program ...

Page 12: ...9 CHAPTER 4 ENGINEERING MODE 4 1 Engineering Mode ...

Page 13: ...10 CHAPTER 4 ENGINEERING MODE 4 2 Engineering Mode Overview ...

Page 14: ...11 CHAPTER 4 ENGINEERING MODE ...

Page 15: ...12 CHAPTER 5 TROUBLESHOOTING 5 1 Wiring Schematic ...

Page 16: ...ification of an adaptor and replace the adaptor if it is defective 2 A First try to re connect the wires B Test pin 1 2 of connector to see if voltage of console cable is 12V 1A Fig A If it is not check if the DC cable and ECB are connected well If it s needed replace cables C Check the wires in thr console to make sure they are all connected well Fig A Console cable s connectors with PCB If outpu...

Page 17: ...14 CHAPTER 5 TROUBLESHOOTING 5 3 ECB Controller Instruction 1 Attach the steel cable here 2 Slip the orange block to adjust the resistance left side is minimum and right side is MAX ...

Page 18: ... and the console 2 Speed sensor wire defective 3 Magnet on the pulley is missing 4 Console defective Solution 1 Re connect the console wire 2 Check the gap between the speed sensor and magnet on pulley It is normal within 5mm Fig A Adjust the gap if it is too large 3 Re install a new magnet Fig B 4 Replace the console set Fig A Fig B ...

Page 19: ...le and check the ECB motor In resistance level 1 the head of steel rope directs to top right side around 45 degree If the head of steel rope directs to bottom left side the resistance will be reversed adjust the head of steel rope to the correct position 2 Press key to adjust the resistance A If ECB motor cannot move the resistance will not be changed The ECB motor or console cable is defective Ch...

Page 20: ...much too heavy check the gap between orange block and the bottom It shall be within 1 2 mm If the gap is bigger than 1 2 mm the resistance will be heavier than normal Adjust the cable to the correct gap range 3 If all above conditions are OK and the resistance is still much too heavy the inside magnet is defective Replace the ECB Controller as the last step ...

Page 21: ...C If the voltage is not between 0 5 and 2 0VDC remove the 3 screws holding the HR grip together and check the connection of the HR grip wiring 2 Check continuity of the HR grip wiring Place one terminal of a multi meter set for resistance on the HR grip wiring at the HR grip and the other terminal on the HR grip wiring at the console An ohm reading of around 1 should be expected If the reading is ...

Page 22: ...19 CHAPTER 6 PART REPLACEMENT 6 1 Console Replacement 1 Remove the 4 screws ME0102031 from the console mast Fig A 2 Take off the console and you can see the wire connection Fig B Fig A Fig B ...

Page 23: ...20 CHAPTER 6 PART REPLACEMENT 6 2 Console Mast Replacement 1 Remove the screws of console mast cover 2 Loosen the 4 screws and washers and take off the console mast ...

Page 24: ...6 PART REPLACEMENT 6 3 Arm Set Replacement 1 Loosen the screw and take off the washers then move to next step Fig A 2 Loosen the screw and remove the washers to take off the whole arm set Fig B 3 Arm set taken off Fig C Fig C ...

Page 25: ...22 CHAPTER 6 PART REPLACEMENT 6 4 Link Arm Replacement 1 Loosen the screws and washers to remove the link arm from the arm set ...

Page 26: ...23 CHAPTER 6 PART REPLACEMENT 6 5 Crank Set Replacement 1 Loosen the screws and remove the cover 2 You will see the crank set Loosen the screws and washer to take off the crank set ...

Page 27: ...ide Cover Replacement 1 Loosen the 6 screws on side cover Fig A Fig A 2 Loosen the 4 screws on the cover as shown below Fig B Fig B 3 Remove the console mast cover then remove the 4 screws under the console mast cover Fig C D Fig C Fig D ...

Page 28: ...RT REPLACEMENT 6 7 ECB Controller Replacement 1 Loosen the two different screws as the picture below shows first Fig A Fig A 2 Loosen the screws on the other side and remove the belt then take off the ECB Fig B Fig B ...

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