Johnson Horizon Fitness 7.0AT-04 Service Manual Download Page 29 | Manualshive

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CHAPTER 5: TROUBLESHOOTING

Console Circuit Board Instruction:

J62

To LCD display

J1IC

From hear rate grip (left)

J2IC

From hear rate grip (right)

J2KB

From Quick key Left hand bar

J3KB

From Quick key Right hand bar

J1IA

To MCB

J5AA

To Audio In & Out interface

J1AA/J2AA

To Speaker

J1FA

To Fan

J5KB

To Keypad (left)

J6KB

To Keypad (right)

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Summary of Contents for Horizon Fitness 7.0AT-04

Page 1: ...NSON Issue Date 22 11 2021 Edition 01 Doc No Revision Date Prepared by Claire Nguyen Page 50 JOHNSON HEALTH INDUSTRY VIETNAM CO LTD 7 0AT 04 SERVICE MANUAL Approved by Reviewed by Prepared by Claire N...

Page 2: ...2 PRODUCT BROWSER...

Page 3: ...3 PRODUCT BROWSER...

Page 4: ...STRUCTION 11 3 1 CONSOLE OPERATION 11 3 2 DISPLAY WINDOWS 12 3 3 GETTING STARTED 13 3 4 PROGRAM INFORMATION 17 CHAPTER 4 ENGINEERING MODE 20 4 1 ENGINEERING MODE 20 4 2 ENGINEERING MODE OVERVIEW 23 CH...

Page 5: ...SIDE RAIL REPLACEMENT 41 6 4 RUNNING DECK REPLACEMENT 42 6 5 FRONT ROLLER REPLACEMENT 43 6 6 RUNNING BELT REPLACEMENT 44 6 7 MOTOR CONTROL BOARD MCB REPLACEMENT 45 6 8 INCLINE MOTOR REPLACEMENT 46 6...

Page 6: ...6 CHAPTER 1 SERIAL NUMBER INFORMATION CHAPTER 1 SERIAL NUMBER INFORMATION 1 1 SERIAL NUMBER LOCATION For example...

Page 7: ...7 CHAPTER 1 SERIAL NUMBER INFORMATION 1 2 MODEL APPLY LIST for reference ENTER YOUR SERIAL NUMBER AND MODEL NAME IN THE BOXES BELOW Refer to the SERIAL NUMBER and MODEL NAME when calling for service...

Page 8: ...s on the treadmill by being misaligned If any labels are damaged or illegible contact Customer Technical Support for replacements 2 1 2 EVERY WEEK WEEKLY Clean underneath the treadmill following these...

Page 9: ...pray When lubrication is complete hold the speed up and stop keys for seconds This will remove the message 2 2 TENSIONING CENTERING THE RUNNING BELT If you can feel a slipping sensation when running o...

Page 10: ...o run a full cycle to gauge if more adjustment is needed Repeat if necessary until the belt remains centered during use If the running belt is too far to the left side With the treadmill running at 1m...

Page 11: ...the current program D SELECT TARGET WORKOUT KNOB rotate press to select your desired workout target E START SPLIT press to START workout When in a workout press the START button to activate the SPLIT...

Page 12: ...rogrammed to a desired speed and incline setting 3 2 DISPLAY WINDOWS SEGMENT TIME Timer that counts up from 0 seconds and resets to 0 when you press the START SPLIT key during a workout INCLINE Shown...

Page 13: ...ce and calories will all count up from zero OR B SELECT A WORKOUT OR TARGET 1 Select your USER by turning the workout knob and then pressing when your desired USER is displayed 2 Select your WEIGHT by...

Page 14: ...ining We suggest programming one of the INTERVAL buttons to your high intensity segments and the other to your recovery segments Another common use is to set one INTERVAL button to your warm up and co...

Page 15: ...USING YOUR MUSIC DEVICE The 7 0AT treadmill will connect and stream music form your compatible music device This includes many smart phones and traditional mp3 players Your 7 0AT comes equipped with B...

Page 16: ...n the unit will look to pair with the last device used and forget other devices If you wish to re pair a forgotten music device then you will need to un pair the current paired device and then re pair...

Page 17: ...s 10k 8 miles 15k 10 miles 20k half marathon 15 miles 20 miles and marathon goals You set your level Incline changes and all segments are 0 16Km 3 CALORIES Set goals for burning calories from 20 to 98...

Page 18: ...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...

Page 19: ...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...

Page 20: ...splay show as 0 Display test 0 Ready Press incline 15 and speed 12 at the same time for 3 seconds 1 All key light up Press Push to select 2 All key light off Press stop Escape Escape present function...

Page 21: ...Energy save on Press push to select to enter 2 Boot off reset all Parameter Press push to select to enter 3 Unit change mile Km press stop 3 seconds to save Press push to select to enter Escape Escap...

Page 22: ...22 CHAPTER 4 ENGINEERING MODE 3 MCB version Press push to select to enter Escape Escape present function Press stop 3 seconds...

Page 23: ...23 CHAPTER 4 ENGINEERING MODE 4 2 ENGINEERING MODE OVERVIEW...

Page 24: ...24 CHAPTER 4 ENGINEERING MODE...

Page 25: ...25 CHAPTER 5 TROUBLESHOOTING CHAPTER 5 TROUBLESHOOTING 5 1 WIRING SCHEMATIC 7 0AT 04 CONSOLE WIRE CONNECTION SCHEMATIC V1 0...

Page 26: ...CHAPTER 3 CONSOLE INSTRUCTION...

Page 27: ...R 5 TROUBLESHOOTING 5 2 MCB WIRING INSTRUCTIONS CN1 Power Line CN2 Incline motor power cable CN3 Speed sensor cable CN4 Console set cable CN5 Software burning cable CN6 Drive motor cable MCB LED Confi...

Page 28: ...poor connecting 3 Overload overcurrent The DC motor current is over the rated current and keep for 4 seconds The motor is over loaded 4 Overspeed The motor control device is failed or the accelerated...

Page 29: ...62 To LCD display J1IC From hear rate grip left J2IC From hear rate grip right J2KB From Quick key Left hand bar J3KB From Quick key Right hand bar J1IA To MCB J5AA To Audio In Out interface J1AA J2AA...

Page 30: ...OISE ISSUES The machine has abnormal noise when the treadmill is on See section 5 8 6 SPEAKER AUDIO ISSUES 1 No sound through the speakers but headphones works 2 No sound through headphones but the sp...

Page 31: ...the power receptacle to the MCB Use a multi meter to measure CN1 AC1 AC2 see Page10 Fig 1 AC vol age shall be same as local s standard voltage 110V 120V If AC voltage value is standard replace the MCB...

Page 32: ...erted into the console If not remove and insert again B Check if the safety key is oxidized or its condition does not affect its function If yes try cleaning it or replace it C If the safety key is fu...

Page 33: ...the motor upper cover Remove the red black wires of motor from the MCB and use a multi meter to measure the resistance of drive motor If the resistance is bigger than 10 the drive motor is defective...

Page 34: ...s the push to select key first and then the START key C Roll forward backward to increase decrease incline the Incline scroll wheel If can hear clicks from two relays at the MCB the MCB is ok Then che...

Page 35: ...needed C Rubbing grinding noise Solution This sound is likely caused by the optic disk Check that the optic disk is tight on the motor and not rubbing the speed sensor D Banging or clunking sound 5 S...

Page 36: ...aptor cable connection at the console Replace the headphone jack Replace the audio adaptor cable C There is a bad connection between one of the audio boards and the console Verify the connection of th...

Page 37: ...act with the HR grip D Replace new HR grip if console can display proper HR rate With a multi meter set for DC voltage place one terminal on each of the HR grip plates The HR Grip should give a voltag...

Page 38: ...g 1 If not the Bluetooth may damage Replace console circuit board Fig 1 B Unpaired the others device Try to connect Bluetooth in external mobile device Only for audio play If cannot see the device nam...

Page 39: ...correct after replacing motor see section 6 5 7 Unplug the motor connector from LCB speed sensor cut any wire ties as needed 8 Remove drive belt by walking belt off as moving running belt and pushing...

Page 40: ...s on both sides approximately 4 5 turns per side until bolts are removed Fig 2 Fig 1 Fig 2 Fig 3 3 Remove the rear roller Fig 3 4 Reverse steps to install rear roller Note 1 Be sure to set the correct...

Page 41: ...e the rail off the treadmill Fig 2 Fig 1 Fig 2 3 Reverse Steps 1 2 to install a new side rail Note After re installing the side rail make sure the rear end cap is on first before tightening the screws...

Page 42: ...ve the side rail as outline in Section 6 3 4 Remove the running deck 8 bolts and ground strap 5 Remove the running deck from the frame Fig 1 6 Reverse steps 1 5 to install a new running deck Fig 1 Not...

Page 43: ...to remove tension from the running belt Fig 1 Fig 1 Fig 2 Fig 3 3 Remove the drive belt from the front roller and remove the roller from the running belt Fig 2 4 Replace new Front roller and motor dr...

Page 44: ...e located at each end of the frame at the back of treadmill These bolts adjust the rear roller Do not adjust until the treadmill is on This will prevent over tightening of one side Step2 The belt shou...

Page 45: ...ne 2 Remove the motor cover as outlined in Section 6 1 3 Disconnect the wire connectors at the MCB Fig 1 4 Remove the 2 screws holding each side of the MCB to the frame Fig 1 5 Remove the MCB 6 Revers...

Page 46: ...t it so that the front wheels are off the floor 4 Remove the screws from the elevation rack Fig 1 2 Fig 1 Fig 2 Fig 3 5 Disconnect the incline motor from the top mounting bracket Fig 3 6 Reverse Steps...

Page 47: ...REPLACEMENT GUIDE 6 9 CONSOLE OVERLAY SET REPLACEMENT 1 Unplug the unit from the wall 2 Remove the screws circled in yellow from the back of the console that hold the front window in place Make sure t...

Page 48: ...ole overlay set and put the new one in place Refer to your photos to correctly reconnect the wires 7 Plug the unit into the wall and check for proper function a Check the Go button b Check elevation u...

Page 49: ...nsole set as outlined in section 6 9 Fig 1 Fig 2 3 Replace the new circuit board Fig 3 4 Reserve step 2 3 Fig 1 Fig 2 Fig 3 Note If electrostatic discharge ESD occurs during circuit board replacement...

Page 50: ...ion wire Fig 1 2 Remove heart rate grip bars Fig 2 Fig 1 Fig 2 3 Remove 2 bolts on heat rate bar and open the housing Fig 3 Fig 3 Fig 4 4 Remove keypad or heart rate connection wire Fig 4 5 Replace ke...

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