Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in

China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -

ENGLISH VERSION ONLY

8027741.021521.A

Bowflex

™

Page Number

Treadmill 22 / Treadmill 56

™

Service Manual

8027740.021521.A

Table of Contents

Summary of Contents for Bowflex Treadmill 22

Page 1: Table Of Contents
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT - ENGLISH VERSION ONLY 8027741.021521.A...
Page 2 Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. Google...
Page 3: Safety Warning Labels And Serial Number
If you OF REACH OF CHILDREN. feel faint, stop exercising immediately. (This label is only available on the Bowflex™ Treadmill 22 machine in English and French Canadian.) (This label is only available on the Bowflex™ Treadmill 56 machine in English.)
Page 4: Specifications
Machine Mat The Bowflex™ Machine Mat is an optional accessory that helps keep your workout area clear and adds a layer of protection to your floor. The rubber machine mat provides a non-slip, rubber surface which limits static discharge and reduces the possibility of display errors. If possible, put your Bowflex™...
Page 5: Grounding Instructions
Grounding Instructions (for a 120V AC system ) This product must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This product is equipped with a cord having an equipment-grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.
Page 6: Emergency Stop Procedure
Emergency Stop Procedure The Treadmill machine is equipped with a Safety Key that can prevent serious injury, as well as prevent children from playing with and/or being injured on the machine. If the Safety Key is not correctly inserted into the Safety Key Port, the belt will not operate. Always attach the Safety Key Clip to your clothing during your workout.
Page 7: Moving And Storing The Machine
Moving and Storing the Machine The machine can be moved by one or more persons. Use caution when you move the machine. The treadmill is heavy and can be awkward. Make sure that your own physical strength is capable of moving the machine. Use a second person if necessary. 1.
Page 8 7. Make sure that the locking mechanism is engaged. Carefully pull back on the walking deck and make sure that it does not move. When you do this, keep clear of movement path in case the treadmill lock is not properly engaged. Do not lean against the treadmill when it is folded.
Page 9: Unfolding The Machine
Unfolding the Machine 1. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. Place the machine on a clean, hard, level surface, free from unwanted material or other objects that may hamper your ability to move freely with a sufficient clear workout area.
Page 10: Leveling The Machine
Leveling the Machine The machine needs to be leveled if your workout area is uneven. To adjust: 1. Place the machine in your workout area. 2. Adjust the levelers until they all contact the floor. Do not adjust the levelers to such a height that they detach or unscrew from the machine. Injury to you or damage to the machine can occur.
Page 11: Connectivity
The machine will activate and display the Welcome - Connect Wifi screen. Tap on Connect. Note: A Wifi connection is required to use your Bowflex™ machine. If you do not have a Wifi connection available, contact your Bowflex™ Representative or your local distributor immediately for further assistance.
Page 12 If you have a pacemaker or other implanted electronic device, consult your doctor before using a Bluetooth strap or other ® Bluetooth heart rate monitor. ® Note: Be sure to remove the protective cover (if provided) from the Heart Rate Sensor before use. Bluetooth Audio (in or out) ®...
Page 13: Maintenance
MAINTENANCE Read all maintenance instructions fully before you start any repair work. In some conditions, an assistant is required to do the necessary tasks. Equipment must be regularly examined for damage and repairs. The owner is responsible to make sure that regular maintenance is done.
Page 14: Adjusting The Belt Tension
Adjusting the Belt Tension If the walking belt starts to slip during use, it is necessary to adjust the tension. Your treadmill has tension bolts at the rear of the treadmill. Remove the Safety Key and place it in a secure location. When this machine is not in operation, remove the Safety Key and keep out of the reach of children.
Page 15: Lubricating The Walking Belt
Lubricating the Walking Belt Your treadmill is equipped with a low maintenance deck and belt system. The Walking Belt is pre-lubricated. Belt friction can affect the function and life of the machine. Lubricate the belt every 3 months or every 25 hours of use, whichever comes first. Even if the treadmill is not in use, silicone will dissipate and the belt will dry out.
Page 16: Maintenance Parts
Maintenance Parts Console Mast Console Assembly Upper Handlebar, Right Console Base Assembly Console Rear Cover Side Handlebar, Right Outer Junction Cover, Right Upper Handlebar, Left Tray Outer Junction Cover, Left Inner Junction Cover, Right Right Upright Right Base Shroud Crossbar Inner Junction Cover, Left Left Base Shroud Side Handlebar, Left...
Page 17 Maintenance Parts (Base Assembly) Side Foot Platform Motor Cover Drive Belt Motor Control Board Deck Cushioner Transport Wheel A/C Inlet Power Switch Incline Fuse Drive Motor Adjuster Motor Cover Walking Belt Walking Belt Adjustment Screw Rear Roller Cover Leveler Rear Roller Deck Release Deck Lift Shock Assembly Button...
Page 18: Troubleshooting
TROUBLESHOOTING Service Mode Procedures PROCEDURE 1: MCB COMMUNICATIONS TEST (I/O CABLE TEST): 1. Tap on the upper-right corner of the Console Display 10 times. The Console will display the “Advanced User Actions “ menu. 2. From the “Advanced User Actions “ menu, tap the INDIVIDUAL TESTS button. The Console will display a list of tests. 3.
Page 19 Service Mode Procedures PROCEDURE 5: BUTTON (or KEY) TEST: 1. Tap on the upper-right corner of the Console Display 10 times. The Console will display the “Advanced User Actions “ menu. 2. From the “Advanced User Actions “ menu, tap EX_BUTTONS. The Console will display “EX_BUTTONS-START”, and starts the test. 3.
Page 20 Noise Issues BEGIN HERE About Noises: A “thumping” noise is normal for a new machine or new Walking Belt, and will go away with with use. This is caused by the Belt conforming to the Rollers and having a “flat spot” on Is the noise a If the noise only happens thump/bump that...
Page 21 Machine Shuts Off or Belt Stops During Workout BEGIN HERE Try another outlet. Machine will not work with If display reads some older GFI/AFI, or in Did House or +SAFETY KEY, Display On Did Console stay Display Off HOUSE houses with improperly Machine breaker remove and reinsert the on or turn off?
Page 22 Incline Issues Does Incline Motor make any grinding/- clunking noises or move BEGIN HERE Replace Incline Motor without the rails inclining? Be patient as the Motor Issue resolved moves slowly. Reset machine power and Is the issue still follow Service Mode Does Incline Motor present? Procedure 4 to calibrate...
Page 23 Console Issues ( page 1 of 2 If Console will not light up, follow “Unit will not power on” Troubleshooting Procedure. BEGIN HERE: If the units of measure are incorrect, follow the Owner’s Manual instructions to correct the setting before beginning these steps. “+SAFETY KEY”...
Page 24 Console Issues ( page 2 of 2 If Console will not light up, follow “Unit will not power on” Troubleshooting Procedure. BEGIN HERE: If the units of measure are incorrect, follow the Owner’s Manual instructions to correct the setting before beginning these steps. Console continuously Speed is incorrect.
Page 25 Buttons Do Not Respond If the Console powers up and : - the Start button beeps or causes the Display to change, then the Console is NOT defective. BEGIN HERE - the Start button does not make a beep, follow Service Mode Procedure 5 to test the buttons.
Page 26 Walking Belt stops while in use, moves briefly, or does not move at all (Console lights up) If the Console powers up and the Start BEGIN HERE: button beeps or causes the Display to change, then the Console is NOT defective. Replace I/O Cables Turn machine power off for at least 5 seconds...
Page 27 Belt Alignment / Slipping / Hesitation Check Walking Belt Alignment (refer to BEGIN HERE “Aligning the Walking Belt” in Owner’s Manual. Are both edges of the belt centered Align the Walking Belt on the Deck? Can Belt be Replace Rear Roller aligned? Run the Belt at low speed and attempt...
Page 28: Electrical Wiring Diagram
ELECTRICAL WIRING...
Page 29 ELECTRICAL WIRING ROUTE DETAIL - Motor Compartment...
Page 30: Demonstration Mode
DEMONSTRATION MODE During Demonstration Mode, the Console will display a video presentation that highlights the key features of the machine and the JRNY™ membership. The machine ships with Demonstration Mode inactive. Note: The Console must be on the Log In screen without a User logged into it to activate Demonstration Mode.
Page 31: Replacement Procedure Skill Level
Replacement Procedure Skill Level Level I : Low - very little mechanical knowledge or exposure. Level II : Intermediate - some experience with mechanical procedures. Level III : Advanced - knowledgeable about mechanical procedures.
Page 32: Adjust The Walking Belt
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 33 Note: Your machine may not match the images provided exactly. 1. Run the machine at 1 mph to see which way the Walking Belt needs to be moved. Do not touch the Walking Belt while the Walking Belt is moving. Be sure to keep bystanders, children and pets away from the machine.
Page 34 Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 35 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 36 4. Remove the connectors for the Incline Motor and the Incline Motor Potentiometer (see below image) from the Motor Control Board after noting their locations Note: Be sure to note where all cables attach for re- assembly. Motor Control Board (MCB) Incline Motor Cables Incline Motor Potentiometer Cable...
Page 37 TO CONSOLE To Motor TO CONSOLE Incline Sensing EARTH GROUND FRAME GROUND TO FRAME EARTH GROUND/FRAME To Speed Sensor WHITE WHITE EARTH GROUND/FRAME FERRITE CHOKE...
Page 38 5. Using a 16mm and a 17mm wrench in the Motor Compartment, remove the hardware (indicated by arrows) from the Incline Motor Assembly. Remove the Incline Motor Assembly noting how it extends from the Motor Compartment through to the Base Frame Weldment. 6.
Page 39 10. Installation of the Incline Motor Assembly is the reverse procedure. Note: Be sure to attach the cables to the proper locations on the Motor Control Board. Do not crimp any cables. 11. Make sure there is sufficient space to tilt the machine back upright and that the area is clear. Tilt the machine upright being sure not to grasp the Console or Walking Belt.
Page 40: Replace The Lower I/O Cable
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 41 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 42 4. Using a #2 Phillips screwdriver, remove the 5 indicated screws that secure the Motor Cover. Motor Cover Note: To assist with re-assembly of the Motor Cover, the two front screws are short. Motor Control Board (MCB)
Page 43 Lower Input/Output (I/O) Cable Lower Input/ Output (I/O) Connector 5. Gently remove the old Lower Input/Output (I/O) Cable from the Motor Con- trol Board (MCB). Note: Do not crimp the Cables. 6. Remove the old Lower I/O Cable from the Frame Assembly. Route the new Lower I/O Cable into the Frame Assembly following route of the old Cable.
Page 44 TO CONSOLE To Motor TO CONSOLE Incline Sensing EARTH GROUND FRAME GROUND TO FRAME EARTH GROUND/FRAME To Speed Sensor WHITE WHITE EARTH GROUND/FRAME FERRITE CHOKE...
Page 45 9. Re-install all remaining parts that were removed in reverse order. 10. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 11. From the Power Up screen, tap on the upper-right corner of the Console Display 10 times.
Page 46: Replace The Middle I/O Cable
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 47 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 48 6. Using a #2 Phillips screwdriver, remove the hardware (indicated by arrows) that attaches the Right Inner Junction Cover. Remove the Right Inner Junction Cover and place outside of the work area. Right Inner Junction Cover 7. Using a #2 Phillips screwdriver, remove the hardware (indicated by an arrow) that attaches the Right Outer Junction Cover.
Page 49 9. Disconnect the Middle I/O Cables from the Console Base. Note: To assist with selecting the correct cables, they are the two that come from the Right Upright.
Page 50 10. Gently pull the old I/O Cable fully from the top of the Right Upright, routing the new Middle I/O Cable into place. This will remove the old I/O Cable and place the new I/O Cable in the Right Upright. Note: Be sure the cable does not crimp when being routed.
Page 51: Replace The Motor Control Board (Mcb)
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 52 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 53 4. Using a #2 Phillips screwdriver, remove the 4 screws (indicated by ovals) that attach the Motor Control Board (MCB) to the Frame. 5. Remove the old Motor Control Board, and install the new Motor Control Board. Connect all the cables to the MCB in their proper locations. Be sure not to crimp any cables.
Page 54 6. Re-install all remaining parts that were removed in reverse order. 7. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 8. From the Power Up screen, tap on the upper-right corner of the Console Display 10 times.
Page 55 TO CONSOLE To Motor TO CONSOLE Incline Sensing EARTH GROUND FRAME GROUND TO FRAME EARTH GROUND/FRAME To Speed Sensor WHITE WHITE EARTH GROUND/FRAME FERRITE CHOKE...
Page 56: Bowflex ™ Treadmill 22 / Treadmill
10. From the “Calibrate“ menu, tap CALIBRATE_MCB. Be sure the area around the Treadmill is clear of all bystand- ers, children and pets. Be sure there is nothing on or under the Walking Belt, or near the Treadmill. 11. The Console will display “CALIBRATE_MCB-USER CONFIRM”. Tap it, and the calibration procedure starts.
Page 57: Replace The Speed Sensor Assembly
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 58 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 59 3. Using a #2 Phillips screwdriver, remove the 2 screws (indicated by ar- rows) that attach the Left Pivot Cover. Left Pivot Cover 4. Make sure that there is safe clearance around, on and above the treadmill. Make sure there is no object to spill or cause blockage from the fully folded position.
Page 60 8. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 24” (0.6 m) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
Page 61 14. Using a #2 Phillips screwdriver, remove the 2 screws (indicated by ovals) that attach the Outside-Lower-Left Motor Cover Shroud. 15. Carefully remove the Outside-Lower-Left Motor Cover Shroud, with the Inside-Lower-Left Motor Cover Shroud still attached to it, from the Frame.
Page 62 17. After noting how the Zip-Tie secures the Speed Sensor Cable to the Frame, cut the Zip-Tie that secures the Speed Sensor Cable. 18. Attach the new Speed Sensor to the Frame, but do not fully tighten Zip-Tie the hardware. Speed Sensor Cable 19.
Page 63 TO CONSOLE To Motor TO CONSOLE Incline Sensing EARTH GROUND FRAME GROUND TO FRAME EARTH GROUND/FRAME To Speed Sensor WHITE WHITE EARTH GROUND/FRAME FERRITE CHOKE...
Page 64 Note: To assist with re-assembly of the Shrouds, an arrow indicates a self-tapping screw and an oval indicates a machine screw. 26. Using a #2 Phillips screwdriver, loosely attach the Outside-Lower-Left Motor Cover Shroud to the Frame with the indicated machine screw. Note: The Inside-Lower-Left Motor Cover Shroud is attached to the Outside-Lower-Left Motor Cover Shroud.
Page 65 30. With all of the Shrouds now seated correctly, secure the Outside- Lower-Left Motor Cover Shroud to the Frame with the indicated machine screw. 31. Using a #2 Phillips screwdriver, secure the Inside-Upper-Left Motor Cover Shroud with the indicated self-tapping screws. 32.
Page 66 Do not lean against the treadmill when it is folded. Do not put items on it that could cause it to become unstable or fall. 35. Using a #2 Phillips screwdriver, secure the Outside-Upper-Left Motor Cover Shroud with the indicated self-tapping screw. 36.
Page 67 41. Fully tighten all of the hardware that attaches the Shrouds. 42. Using a #2 Phillips screwdriver, secure the Left Pivot Cover to the Frame. Left Pivot Cover 43. Re-install all remaining parts that were removed in reverse order. 44. Final Inspection Inspect your machine to ensure that all hardware is tight and components are properly assembled.
Page 68: Service Or Replace The Walking Deck
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2021 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
Page 69 Note: Your machine may not match the images provided exactly. 1. Unplug the power cord from the machine and wait 5 minutes. Place the power cord in a secure location. To reduce the risk of electrical shock or unsu- pervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repair- ing this machine.
Page 70 Use proper safety precautions and lifting techniques. Bend your knees and elbows, keep your back straight and pull up equally with both arms. Make sure that your own physical strength is capable of lifting the walking deck until it engages the locking mechanism.
Page 71 9. Using a #2 Phillips screwdriver, remove the 3 screws (indicated by arrows) that secure the Right-Inside Deck Shroud. Remove it from the machine. Deck Shroud, Right-Inside 10. Using a #2 Phillips screwdriver, remove the 10 screws (indicated by arrows) that secure the Right-Front and Right-Rear Deck Suspensions to the Walking Deck.
Page 72 11. Using a #2 Phillips screwdriver, remove the 4 screws (indicated by ovals) that secure the Right Side Rail to the Walking Deck. Note: The Deck Release Shroud may need to be maneuvered to gain access to the rear screw. Walking Deck 12.
Page 73 14. Make sure there is suffi cient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 24” (0.6 m) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
Page 74 20. Using a #2 Phillips screwdriver, remove the Walking Belt Guides and attach them to the new Walking Deck in the same orientation. Walking Belt Guides 21. Turn over the new Walking Deck Assembly, and replace it between the Walking Belt in the same orientation. 22.
Page 75 31. Re-install all remaining parts that were removed in reverse order. 32. Final Inspection Inspect your machine to ensure that all hardware is tight and components are properly assembled. Do not use until the machine has been fully assembled and inspected for correct performance in accordance with the Owner’s Manual.

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