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111 Canfield Avenue  

  Randolph, New Jersey 07869  

  1-800-LANDICE   

   FAX 973-927-

0630

8700-Series

Home and Commercial Treadmill

Diagnostic and Service Manual

2001

This guide covers all 8700 series treadmills manufactured from

1993 – 2000.

HOME TREADMILLS

 – 8700 SPRINT 1-4 / PRG / SST

NOTE: Early HOME treadmills listed as: 8700R & 8700P are the same as the LTD models.
The only difference was the warranty coverage.

LTD / 110V UNITS

 – 8700R (

REGILAR NO PROGRAMS

) / P (

WITH PROGRAMS

) / PT1 / PT2

CLUB / 220V UNITS

 – 8700R (

REGILAR NO PROGRAMS

) / P (

WITH PROGRAMS

) / PT1 / PT2

Version M/C.1

For Technical Service Call 1-(800)-LANDICE

Summary of Contents for 8700 Series

Page 1: ... treadmills manufactured from 1993 2000 HOME TREADMILLS 8700 SPRINT 1 4 PRG SST NOTE Early HOME treadmills listed as 8700R 8700P are the same as the LTD models The only difference was the warranty coverage LTD 110V UNITS 8700R REGILAR NO PROGRAMS P WITH PROGRAMS PT1 PT2 CLUB 220V UNITS 8700R REGILAR NO PROGRAMS P WITH PROGRAMS PT1 PT2 Version M C 1 For Technical Service Call 1 800 LANDICE ...

Page 2: ...lights RELAY board Page 25 SST PRG SPRINT 3 Open Loop lower wiring schematic Page 26 SPRINT 2 lower wiring schematic Page 27 SPRINT 1 lower wiring schematic Page 28 SPRINT 1 2 upper wiring schematic SECTION 4 Servicing Landice Treadmills Page 29 31 Definitions of components Page 32 34 Testing components Page 35 37 Common symptoms Page 38 Calibrating speed potentiometers Page 39 45 Removal and repl...

Page 3: ...Landice 8700 model treadmills It covers terminology installation tools needed diagnostics removal and replacement of parts estimated time of repairs warranty forms wiring schematics and recommended maintenance If you find a problem not covered in this manual please call 1 800 LANDICE to talk to a Landice Service Technician ...

Page 4: ...treadbelt tracking treadbelt drivebelt tensioning blown fuses and set up procedures are not covered by this warranty Set Up Includes Assembly adjusting treadbelt and drive belt if needed walking the treadbelt and deck wax in and performing any additional adjustments that may have been upset during shipping The dealer must call for a service authorization number prior to performing any service to v...

Page 5: ...lify for service reimbursement This service warranty does not cover customer instruction installation setup or adjustments Note that treadbelt tensioning and tracking is the responsibility of the user and is not covered by this warranty Instructions for treadbelt tensioning and tracking are located in the owner s manual This warranty is valid only in the United States and Canada Landice Factory Wa...

Page 6: ... 9 16 3 1 2 and 3 Philips head screwdriver or electric screwdriver 4 1 2 and 3 flat head screwdriver or electric screwdriver 5 Socket head cap screw wrench set multi Allen Wrench 6 Rubber mallet 7 Diagonal cutting pliers 8 Wire stripper 9 Wire crimping tool 10 Digital voltmeter We recommend Radio Shack Pocket Digital Voltmeter Analog voltmeters are not recommended 11 Utility knife 12 Pulse simulat...

Page 7: ...low a minimum clearance of 18 inches on each side of the treadmill Allow a minimum clearance of 4 feet at the rear of the treadmill 4 Never stand on the treadbelt when starting the treadmill A sudden start could cause you to lose your balance Always stand with one foot on each side rail until the belt starts moving 5 Always wear the emergency stop safety strap securely around your wrist while exer...

Page 8: ...ed Keep the air openings free of lint hair and the like 7 Never drop or insert any object into any opening Be sure no objects are near or underneath the moving treadbelt when using the treadmill 8 Do not use outdoors 9 Do not operate where aerosol spray products are being used or where oxygen is being administered 10 Connect this appliance to a properly grounded outlet only Do not use a GFI outlet...

Page 9: ...No adapter should be used with this product If the product must be reconnected for use on a different type of electric circuit the reconnection should be made by qualified service personnel DANGER Improper connection of the equipment grounding connector can result in a risk of electric shock Check with a qualified electrician or serviceman if you are in doubt as to whether the product is properly ...

Page 10: ...Key Features Closed Loop Treadmill w speed sensor Safety Lanyard 0 5 11MPH Push Button Speed and Elevation Control 8700 Sprint Membrane Models That Used This Membrane 8700 Sprint 1 8700 Sprint 2 Production Time Frame Sprint 1 1991 1995 Sprint 2 1995 1996 Electronics 110V Unit See Wiring Diagrams for 8700 Sprint 1 and Sprint 2 Settings Used In Home Key Features Open Loop Treadmill w o speed sensor ...

Page 11: ...tton Speed and Elevation Control 10 Built In Programs 4 User Programs Wireless Heart Rate Control Optional LED Graphic Display 8700 P Membrane Models That Used This Membrane 8700 P 8700 LTD P 8700 CLUB P Production Time Frame 1991 1999 Electronics Standard 110V SCR 220V SCR for CLUB units commercial motor pan See Wiring Diagram Settings Used In Home and Commercial LTD s and CLUB s Key Features Clo...

Page 12: ...rograms Wireless Heart Rate Control SONAR ranging capability Optional LED Graphic Display 8700 SST Membrane Models That Used This Membrane 8700 SST 8700 SST VFX Production Time Frame 1995 1999 Electronics 8700 SST used Sprint 3 electronics 8700 SST VFX used Sprint 4 electronics See Wiring Diagrams Settings Used In Home Key Features 8700 SST Open Loop Treadmill w o speed sensor 8700 SST VFX Closed ...

Page 13: ... Loop Treadmill w speed sensor Safety Lanyard 0 5 12MPH Push Button Speed and Elevation Control 4 Built In Programs 2 User Programs 8700 Sprint Faceplate Models That Used This Faceplate 8700 Sprint 3 8700 Sprint 4 8700 Sprint 4 VFX Production Time Frame Sprint 3 1997 1998 Sprint 4 1998 1999 Electronics 110V Unit See Wiring Diagrams for 8700 Sprint 3 and Sprint 4 Settings Used In Home Key Features ...

Page 14: ... orBr ush 110V 70222 15 53 2 pert r ead M ot orBr ush H ol der m i sc 58 16 M ot orBr ush Cap m i sc 7 11 Foam Bl ock 70103 8 35 El evat i on Assem bl y 70027 181 02 El evat i on M ot or 110V 70088 275 00 El evat i on Pot ent i om et er 71013 32 72 El evat i on Pi ns 70032 2 83 2 pert r ead El evat i on Nut M I SC 25 05 El evat i on Cl evi s 70049 17 28 Bear i ng Bl ock 70034 14 00 Pan 70048 150 0...

Page 15: ...i l Lef t 70016 215 17 Fr am e Rai l R i ght 70015 215 17 D ecal Fr am e R i ght 70055 22 45 Decal e Fr am e Lef t 70056 22 45 Si de Fr am eTop Cover 70017 51 35 Har ness SPRI NT4 Upper 70211 30 00 Har ness SPRI NT4 Lower 70212 15 05 I sol at i on Tr ansf or m er 70202 429 50 Supr essi on ki t M I SC 17 00 AxiShock Supensi on FOO T 71029 60 00 Ri ghtorLef t FootC l am p Sol i d f oot 70008 15 00 M...

Page 16: ...Foam 1858 7 55 Har dwar e Ki t 71020 25 05 M edi calR ai l 70135 104 38 m ustor derw 70185 Foam M edi cal Runner sR ai l 70185 8 35 I nst al l at i on Char ge O pt i onalRai l s M I SC 108 55 Spacer Rai lSuppor t 70006 5 01 End Cap 70045 12 53 W heel 4851 6 68 2 pert r ead N M A St i cker 70188 1 67 Saf et y Lanyar d 71011 15 50 8700SPRI N T User s M anual 72008 8 35 8700PRG User s M anual 72012 8...

Page 17: ...17 8700 COMERCIAL MOTOR PAN COMPONENTS ...

Page 18: ...18 8700 COMMERCIAL LOWER WIRING SCHEMATIC ...

Page 19: ...illuminates when the filtering system is properly working The filtering system includes the capacitor and filter choke If there is a short in either component then the RLC light will not come on DN UP yellow The DN and UP LED lights tell us if the elevation DN and UP relays are functioning properly When the LED lights it tells us that the relay has energized and is sending high voltage 110vac or 2...

Page 20: ...the C LIM LED will illuminate SPD yellow The SPD LED flashes on and off relative to speed when the speed sensor is operating properly GRD red The GRD LED should NEVER come on It illuminates only when the elevation potentiometer becomes out of calibration SERIAL red The SERIAL LED should NEVER come on It illuminates only when there is a serial error This could be a loose or pushed pin on the main w...

Page 21: ...21 8700 HOME SST VFX PRG VFX SPRINT VFX CLOSED LOOP SPEED SENSOR ...

Page 22: ...22 8700 SST PRG and SPRINT VFX TREADMILL All VFX treadmills utilize CLOSED LOOP speed control All treadmills listed as VFX in the warranty database use a speed sensor ...

Page 23: ... or it can also light if the IR pot is out of adjustment The IR pot controls how the PWM board reacts to varying loads users weights If the IR pot is out of adjustment you will notice the treadbelt will surge and the red LED 1 will flash in unison with the belt surge LED 2 green This indicates proper line voltage is being supplied to the PWM board This line voltage is delivered to the PWM via the ...

Page 24: ...re functioning properly When the LED lights it tells us that the relay has energized and is sending high voltage 110vac or 220vac to the elevation motor UPSW green This LED will illuminate when the low voltage dc is delivered from the upper display board to the elevation UP relay This low voltage dc is what energizes the coil of the relay DNSW green This LED will illuminate when the low voltage dc...

Page 25: ...25 8700 SST PRG and SPRINT 3 NON VFX TREADMILL All NON VFX treadmills utilize OPEN LOOP speed control and no relay boards Sprint 3 treadmills have push button controls ...

Page 26: ...26 8700 SPRINT 2 Safety lanyard speed control dial not push button KBWT 110 SCR motor control ...

Page 27: ...27 8700 SPRINT 1 LOWER WIRING SCHEMATIC NO safety key speed control dial not push button KBLC 118 Motor Control Board ...

Page 28: ...28 8700 SPRINT 1 2 UPPER WIRING SCHEMATIC ...

Page 29: ... 110v for 220v DRIVE ROLLER W SHEAVE This is the roller at the front of the treadmill The sheave pulley is pressed onto the roller and allows transfer of movement from drive belt to treadbelt ELEVATION LEG ASSEMBLY Connects to elevation motor to allow movement of front of treadmill up or down ELEVATION MOTOR This motor works through the elevation leg assembly to raise or lower the front of the tre...

Page 30: ... 8 of the PWM rating For example a 115v PWM should have outlet voltage of at least 106v with a maximum of 124v RELAY BOARDS This circuit board controls the elevation relays belt relays DC transformer for Upper Display Power and diagnostic lights It is only found on mills with PWM Motor Control Boards SAFETY LANYARD This is a safety feature that completes a switch in the display board If it is not ...

Page 31: ...to the relay board on Home models and the SCR on Club or LTD models UPRIGHTS One on either side they house the wire harness the upper display the cross member and the handrails UPPER WIRE HARNESS Transmits data from lower electronics to upper electronics VFX SYSTEM Shock absorbing Deck Consists of wood Deck VFX Deck Post Deck Spacer Deck Load Washer Deck Felt Washer and Deck Impact Absorber ...

Page 32: ...e motor manually The faster you spin the motor the higher the output of DC voltage will register on your DMM 110 VAC treadmills use a 90 VDC drive motor For every mile per hour you spin the drive motor you will generate approximately 10 VDC output So at 1 mph you will measure 10VDC and at 9mph you will measure 90VDC 220 VAC treadmills use a 180 VDC drive motor double the input voltage double the s...

Page 33: ...rd to face plate distance is too great the display board switch will not be fully activated and result in a dead response Small washers are placed between the display board and mounting studs to adjust this distance This is performed at the factory but can be upset if disassembled in the field MEMBRANE PANEL The membrane panel has small micro switches laminated inside that transmit the user s comm...

Page 34: ...onfirm proper AC voltage in 110 220VAC If the relay board is receiving the proper AC voltage in but does not function properly it must be replaced SPEED SENSOR The speed sensor can be checked for proper operation by entering the Diagnostic Mode There is a yellow SPD LED mounted to either the relay board HOME PWM models or the SCR board LTD and CLUB models The light will flash ON and OFF when you r...

Page 35: ... DECK SURFACE SHOULD ALWAYS BE REPLACED TOGETHER IF EITHER IS WORN OUT Symptom Treadmill slows down when user steps onto treadbelt Possible Cause Worn out treadbelt or deck See above Possible Cause Worn or defective motor brushes and or scorched commutator on drive motor Dress out commutator and replace brushes Possible Cause Demagnetized stator magnets on drive motor Make sure that treadmill is u...

Page 36: ... and treadbelt tension If one of these belts are not tight enough they will slip and create a treadbelt skip or surge This will usually be more apparent with heavier users See belt tensioning procedures Possible Cause High drive motor current due to excessive treadbelt friction Check for treadbelt and tread deck for wear Check that Red Lamp marked Current is not on Possible Cause Worn or defective...

Page 37: ...he treadbelt Either way the treadmill will surge considerably when this occurs There have also been isolated cases where the treadmill will surge without a user walking on it When this occurs the red light on the pwm LED1 will flash in sequence with the belt surge To adjust the IR potentiometer No load belt surging LED1 flashing use a small screw driver to rotate IR pot Make this adjustment while ...

Page 38: ... prior to shipping Speed Calibration SPRINT 3 2 1 PRG SST OPEN LOOP NO speed sensor 1 Turn machine on increase speed until 9 mph is displayed 2 Adjust MAX pot on the motor control board until belt speed is between 8 95 9 00 mph using a tachometer or 83 0 83 4 rpm 3 Decrease speed to 1 0 mph and let belt stabilize 30 seconds 4 Adjust the MIN pot until belt speed is between 0 95 1 00mph using a tach...

Page 39: ...ire connects MCB to Relay Board 3 Remove wire from A This wire connects MCB to Drive Motor 4 Remove wire from A This wire connects MCB to Drive Motor 5 Remove wire from P1 This wire connects MCB to Relay Board 6 Remove wire from P2 This wire connects MCB to Relay Board 7 Remove wire from V or P3 This wire connects MCB to Relay Board 8 Remove four screws attaching board to frame and remove MCB 9 Re...

Page 40: ... listed above to make sure the proper polarity is observed RELAY BOARD SPRINT 4 PRG SST CLOSED LOOP ONLY 1 Remove Orange wire from P1 This wire connects Relay Board to MCB 2 Remove Brown wire from P2 This wire connects Relay Board to MCB 3 Remove Purple wire from V This wire connects Relay to MCB 4 Remove two 2 Black wires from DC Transformer These wires connect Relay Board to DC Transformer Note ...

Page 41: ...s make sure to crimp ends to insure positive locking 8 Remove motor spacers The rubber and metal spacers mounted between the motor mount and motor pan are arranged in a specific manner The reason for this is to reduce vibration If your standing on the treadmill the following arrangement applies On the right side you will have 0 spacers on top of pan and 1 rubber 1 metal followed by 1 retaining cli...

Page 42: ... toolbox and set the treadmill on the ground B Align the Elevation Motor with the clevis mount and install the 3 8 diameter mounting pin Insert the hitch pin C Reconnect the Elevation Motor wires D Enter diagnostic mode See page 2 Press the UP key briefly and then hold the DOWN key until the motor stops E Hold the dia elevation screw to prevent it from turning and turn the elevation nut to line it...

Page 43: ...INT 3 pot setting 0 2 SPRINT 4 SST PRG pot setting 0 1 to 0 6 CLUB LTD pot setting 1 4 3 If the setting is incorrect STEP 1 Turn the post of the potentiometer all the way CLOCKWISE STEP 2 Slowly turn the potentiometer COUNTER CLOCKWISE until the setting is correct 4 Carefully install potentiometer back into elevation motor housing NOTE The setting may vary when inserting the potentiometer into the...

Page 44: ...tion strips located on topside of frame rails Pull up by hand 5 Remove four Phillips head screws on right and left sides lift off side frame covers 6 Lift off slider deck Flip or replaced if needed 7 Remove treadbelt 8 Reverse steps for install DECK REMOVAL DECK REVERSAL UN PLUG TREADMILL 1 Loosen take up screws on rear roller removing all tension on treadbelt 2 Remove one handrail either side 3 R...

Page 45: ... drive motor Release tension on drive motor tensioning hook 7 16 nut located underside of motor pan Pivot motor towards treadbelt and slide drive belt off 3 Remove 2 Philips Head or 2 Hex Head screws securing drive roller to treadmill frame 4 Remove roller 5 REVERSE STEPS FOR INSTALL FOLLOW TENSIONING PROCEDURES ...

Page 46: ...he roller since it is close to the bearings and doesn t move Many techs will hold the blade end of screwdriver onto the shaft and their ear next to the handle end to be sure they are identifying the location of the noise The most common sound is a clicking that comes from a bearing that is no longer round Other noises can be a rumbling like rolling something around in a metal drum and in worse cas...

Page 47: ...Decks are solid pieces of wood with a phenolic coating that rest on the VFX cushioning system 1 The deck can make a squeaking noise when the VFX hardware is not properly tightened or lubricated You can test for this by bouncing on the deck when the machine is not running 2 Sometimes the deck will need to be lubricated on the sides that go into the frame rails Use grease sparingly 3 If a part on th...

Page 48: ...age coming in and out of board If voltage is incorrect replace board 2 Loose or detached components Reattach if possible or replace if not Elevation Motor 1 Check for fractured housing or broken motor mounts Replace if necessary Treadbelts 1 Check for fraying on sides of belt Likely cause is improper tracking Check if tracked correctly If minor cut frayed ends off If major replace belt 2 Lines or ...

Page 49: ...Green wires on main wire harness Confirm 10 VDC for 110v and 20 VDC for 220v out of Motor Control Board per mile per hour See example Example Speed set 3 0mph SCR Measure between MTR and MTR PWM Measure between A and A In both of these examples we have should have a voltage reading of 30VDC for 110v and 60VDC for 220v 3mph Confirm incoming voltage 120VAC between L1 and L2 wires on PWM For 115v and...

Page 50: ...ay to remedy an over speed condition due to gravity is to have the user decrease the treadmill elevation under 10 grade or increase the speed If user is holding onto handrails and pushing the Treadbelt using it like a manual treadmill rather than a motorized one it will cause an O5 error Solution Don t push on the Treadbelt It s possible a blown Motor Control Board is the problem This occurs more ...

Page 51: ...51 8700 Series Treadmill Diagnostic Troubleshooting Guide 8700 LTD 8700 CLUB ...

Page 52: ...lse LED will light when enabled Must purchase Wireless Pulse Option 71017 The left hand digit in the speed window should display I your programs will not work if it reads P Change the P to I by pressing the FAST button The right hand digit in the speed window must display E for the safety feature to work your safety feature will not work if it reads d Change the d to E by pressing the SLOW button ...

Page 53: ...belt is TENSIONED by the same adjustment bolts used for tracking To tighten treadbelt turn both adjustment bolts clockwise exactly the same amount Failure to turn them equally will effect belt tracking Need for tension is indicated by uneven belt speed and may be sensed by sudden stopping of treadbelt when walking or running Before tightening treadbelt be certain your drive belt is not loose see D...

Page 54: ... Part MDA 20 110V MDA 15 220V 4 Failed motor control board Part 70080 110V 70081 220V Press START button on membrane panel Is green 5V lamp on the motor control board lit 1 Check connections to control harness Part 70083 2 Replace motor control board Part 70080 110V 70081 220V Is red SERIAL lamp on the motor control board lit Replace motor control board Part 70080 110V 70081 220V Replace display b...

Page 55: ...70083 2 Replace display board Part 70076 YES Enter Open Loop Speed mode WARNING NEVER STAND ON THE TREADBELT IN THIS MODE 1 Turn off the treadmill 2 Press FAST and START simultaneously and release both buttons once the display lights up 3 Hold the fast button until the display reads 99 Short in capacitor motor or motor control board NO Turn treadmill off Disconnect drive motor wires from lower con...

Page 56: ... the motor control board 2 Is the yellow SPD lamp on the motor control board still lit Is speed sensor aligned squarely and within a credit card s thickness from the flywheel 1 Check speed sensor wires 2 Replace speed sensor Part 71007 Realign sensor NO YES NO 6 1 6 2 6 3 6 4 Replace speed sensor Part 71007 Replace motor control board Part 70080 110V 70081 220V YES NO YES ...

Page 57: ...8700 70111 8700P Press each button one at a time Confirm that the appropriate code is shown on the display for each button Do all the lights flash on then off and then show PASS on the display Button Code PROG 1 ENTER 2 PAUSE 4 START 5 DISPLAY 6 FAST 7 SLOW 8 UP 9 DOWN 10 Are ALL codes correct Replace membrane Part 70113 8700 70111 8700P 7 2 YES NO NO Place saftey lanyard in the correct position D...

Page 58: ...trol board light when UP is pressed Does the yellow DOWN lamp on the motor control board light when DOWN is pressed Replace elevation motor P N 70088 110V P N 70126 220V Place the treadmill in Diagnostic Mode 1 Remove the saftey lanyard 2 Turnoff the treadmill 3 Hold the DISPLAY and START key simultaneously and then release them as soon as the display lights up 8 1 Is the red GRADE lamp on the mot...

Page 59: ...of the potentiometer all the way CLOCKWISE STEP 2 Slowly turn the potentiometer COUNTER CLOCKWISE until the setting is correct 4 Carefully install potentiometer into the motor housing NOTE The setting may vary when inserting the potentiometer into the motor As long as the change is minimal fine adjustment can be achieved after the potentiometer is secured in motor housing 5 Press OFF to turn tread...

Page 60: ...60 8700 Series HOME Treadmill Diagnostic Troubleshooting Guide 8700 SPRINT 4 VFX S N 7 36898 AND UP 8700 SST VFX S N 7 43807 AND UP 8700 PRG VFX S N 7 43825 AND UP ...

Page 61: ...minal on the relay board 3 Confirm the solid black wire is plugged into SGND terminal on the relay board 4 Replace 9VDC power supply Part 5302 1 Unplug the 12 wire connector from the relay board and inspect all wires for a loose fit or pushed pin Be sure harness is routed under the elevation motor and secured with a plastic wire zip ty 2 Unplug the 14 wire connector from the upper dsiplay board an...

Page 62: ...from V on pwm board to H on relay board Orange wire from P1 on pwm board to L on relay board Brown wire from P2 on pwm board to W on relay board P3 on pwm board has no connection Adjust speed sensor 1 Use 1 2 wrench and loosen the two lock nuts securing sensor to it s bracket 2 Adjust sensor gap to 1 16 3 Tighten lock nuts Repair or replace speed sensor harness assembly Part 71007 Repair or replac...

Page 63: ...r to A A Attach the safety lanyard Is the green BELTSW light on the relay board lit 1 Check RED wire on 12 pin harness for loose connection or pushed pin 2 Replace upper display board Part 70191 CL SPRINT 70173 CL SST 70196 CL PRG Correct speed control wiring Correct motor control wiring Replace motor brushes Part 70222 2 required Replace motor flywheel assy Part 70014 70010 SYMPTOM Are the motor ...

Page 64: ... relay board and the 14 wire connector on the upper display board for loose connections or pushed pins 2 If all harness connections are intact then replace Upper Display Board Part 70191 CL Sprint Part 70173 CL SST Part 70196 CL PRG Hold the UP button on the treadmill Is the UP light on the relay board lit Hold the DOWN button on the treadmill Is the DN light on the relay board lit Do both the UP ...

Page 65: ...EP 1 Turn the post of the potentiometer all the way CLOCKWISE STEP 2 Slowly turn the potentiometer COUNTER CLOCKWISE until the setting is correct 4 Carefully install potentiometer into the motor housing NOTE The setting may vary when inserting the potentiometer into the motor As long as the change is minimal fine adjustment can be achieved after the potentiometer is secured in motor housing 5 Pres...

Page 66: ...66 8700 Series HOME Treadmill Diagnostic Troubleshooting Guide 8700 SPRINT 3 8700 PRG 8700 SST ...

Page 67: ...ected to ground in the upper display board Speed Sensor The display board shall control speed either in a closed loop or open loop mode depending on the software installed In the closed loop mode a GT101 speed hall effect speed sensor by Honeywell shall provide 12 800 pulses minute at a speed of 1 0 mph In the open loop mode the speed sensor shall act as a safety watchdog to detect runaways In the...

Page 68: ... display same as on existing board 4 7 segment multiplex display Time Distance Elevation Calories 4 Green LEDs to indicate which mode the multiplexed display is in Display Board Inputs 9VDC unregulated 600mA total power for entire system including relays Ground Elevation Grade Pot Sense Analog input Speed Sense Digital Input Display Board Outputs 6VDC Relay Power Powers 3 JA1A DC6V relays maximum ...

Page 69: ...69 8700 Series HOME Treadmill Diagnostic Troubleshooting Guide 8700 SPRINT 1 8700 SPRINT 2 ...

Page 70: ...nnections on terminal block damaged line cord or wall outlet for voltage Check for 9 VDC between points NO DC 1 Check that all connections 5 and 6 on terminal block on terminal block are tight 6 and 7 on terminal block YES 2 Replace 9 VDC power supply Check for 9 VDC between pins 1 NO DC Check connections between and 2 on display board connector upper board and lower Red and Green wires components...

Page 71: ...rding to the instructions in appendix 2 elevation readout If the potentiometer cannot be re calibrated replace the pot 71013 NO Does the selectable YES Check display button located on upper display display automatically scroll for operation Make sure it has unobstructed through display functions movement NO If the display is showing Garbage or is otherwise operating incorrectly replace the display...

Page 72: ...s Disconnect the P1 P2 and P3 wires on terminal block or broken wires from the motor control board Check between P1 and P3 for 5000 ohms resistance Check the resistance between P1 and P2 varies from NO 1 Check wiring between motor 0 to 5000 ohms when the speed control board and potentiometer control knob is turned YES 2 Replace speed control pot 70132 Sprint 1 70169 Sprint 2 Plug P1 P2 and P3 back...

Page 73: ...oltage but does not turn Check brushes replace motor Drive Motor 70014 Applies to Sprint 2 Only SYMPTOM Elevation System not functioning If the Elevation system works but the display is erratic or incorrect check elevation potentiometer calibration Disconnect the 6 pin connector between the motor and the wiring harness Check for the following on the harness side 1 120 VAC between orange and white ...

Page 74: ... NO incorr ect readin gs Replace elevation motor 1 check elevation switch for continuity 2 check wiring APPENDIX 1 SPRINT 1 Speed Calibration SEE SPRINT 2 WIRING SCHEMATIC FOR SPEED POT SETTINGS STEP 1 Verify KBLC 118 pot settings are as shown below KBLC 118 SPRINT 1 MOTOR CONTROL BOARD 6 00 ACCEL 10 00 12 00 10 00 3 00 ...

Page 75: ...speed is between 8 95 9 00 mph or 83 0 83 4 rpm STEP 6 Since the MAX and MIN pots will affect each other during the adjustment it may be nessary to repeat steps 2 5 several times Continue calibration until neither pot needs readjustment Appendix 2 Elevation System Calibration Note The elevation system will need to be re calibrated 1 After replacing the elevation motor 2 After replacing the elevati...

Page 76: ...heck with an ohmmeter to verify STEP 5 Carefully push the potentiometer back into the elevation motor and tighten it back down Be careful that the reading on the display does not change while the pot is being re installed Turn the machine off turn it back on normally and verify that the elevation system works correctly TRACKING AND TENSIONING Proper tensioning of the Treadbelt and Drive Belt are n...

Page 77: ... If the belt needs to be adjusted use a 7 16 socket and turn the bolt underneath the motor pan attached to the hook screw CAUTION NEVER OVERTENSION THE DRIVE BELT TIGHTEN ONLY TILL SLIPPING STOPS OVER TIGHTENING MAY CAUSE SERIOUS DAMAGE TO THE DRIVE MOTOR AND WILL VOID THE MOTOR S WARRANTY TREADBELT TRACKING The Treadbelt is TRACKED by means of two adjustment bolts 9 16 wrench located at rear of t...

Page 78: ...ELT IS TOO TIGHT If normal tracking procedures are not working satisfactorily proceed with the following MAKE SURE TREADMILL IS LEVEL Make sure the treadmill is completely level Place a carpenter s level across rear frame rails running parallel with rear roller VERY IMPORTANT Must have a minimum of 150 pounds on the treadmill s side steps for the reading to be accurate First try to move treadmil t...

Page 79: ...equate lubrication are the treadbelt slider deck motor and motor controller When to lubricate Landice institutional treadmills should be lubricated on a monthly basis How to lubricate Only use SlipCote by Landice Most standard greases waxes and silicon sprays will build up on the deck and rollers and have an adverse effect on the longevity of the treadmill Using a large syringe such as a turkey ba...

Page 80: ... to dress out clean up Commutator with a Commutator stone or emery cloth 4 When you reinstall motor brushes make sure the brush does not bind up in its holder The motor brush must move freely the full length with zero resistance If resistance is present you must carefully dress out the brush until the correct tolerance is achieved Motor brushes should be checked every 6 months on institutional tre...

Page 81: ...7 18 Removal Replacement 39 Troubleshooting 55 Wiring 18 CE Error Code 50 Choke Inductor Definition 29 Picture 17 18 Removal Replacement 39 Troubleshooting 55 Wiring 18 Components Definitions 29 31 Parts list 14 16 Testing 32 34 Deck Definition 29 Removal Replacement 44 Display Panels 10 13 Drive Belt Definition 29 Picture 76 Tensioning 76 77 Troubleshooting 35 36 76 Drive Motor Definition 29 ...

Page 82: ...embly Definition 29 Picture 42 Removal Replacement 44 Elevation Motor Calibration 43 59 64 65 Definition 29 Picture 17 21 42 43 Removal Replacement 42 Testing 33 Troubleshooting 20 47 48 58 73 75 Wiring 18 22 Elevation Potentiometer Calibration 43 59 65 75 Definition 29 Picture 18 22 25 26 27 Testing 33 Troubleshooting 20 58 64 73 Error Codes 50 Face Plate Definition 29 Removal Replacement 41 Test...

Page 83: ...cture 10 11 12 13 Removal Replacement 41 Testing 33 Troubleshooting 57 Noises 46 48 O5 OS Error Code 50 Parts List 14 16 PO Error Code 20 33 50 Power Cord Line Cord Removal Replacement 39 Troubleshooting 36 49 PWM Motor Control Board Definition 30 LED Lights 23 Picture 21 22 Removal Replacement 39 Testing 33 Troubleshooting 33 37 38 49 Wiring 22 25 27 Relay Board Definition 30 LED Lights 24 Pictur...

Page 84: ...Lubricant Definition 30 Use 78 79 Troubleshooting 46 Speed Calibration 38 Speed Sensor Definition 30 Picture 17 21 Testing 34 Troubleshooting 50 56 62 67 Wiring 18 22 Take Up Roller Definition 30 Removal Replacement 44 Troubleshooting 46 47 Treadbelt Cleaning 78 Definition 31 Picture 21 Removal Replacement 44 Tracking Tensioning 53 76 77 Troubleshooting 35 36 46 47 48 Upper Display Board Definitio...

Page 85: ...85 Testing 34 Uprights Frame Definition 31 Upper Wire Harness Definition 31 Troubleshooting 49 54 61 70 Voltage Specifications 7 9 Testing 49 ...

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