Precor C954i Service Manual

C954, C956 TreadmillPage 1C954, C956 TreadmillWarning: This service manual is for use by Precor trained service providers only.If you are not a Preco

C954, C956 TreadmillPage 1-10 Page 1011. Press the ENTER key to select the currently displayed maximum speed or the STOP key to leave the original ma

C954, C956 TreadmillPage 1124. Press the ENTER key to save the modified custom course or the STOP key to leave the custom course unchanged.25. The pr

C954, C956 TreadmillPage 1-12 Page 12Procedure 2.4 - Documenting Software ProblemsWhen a problem is found with the software in the upper or lower PCA

C954, C956 TreadmillPage 13Section Three - Checking Treadmill OperationThis section provides you with a quick method of checking treadmill operation.

C954, C956 TreadmillPage 1-14 Page 14Procedure 4.1 - Calibrating the Lift Motor1. Set the treadmill circuit breaker in the “off” position and unplug

C954, C956 TreadmillPage 154. Plug the power cord into the wall outlet, set the treadmill circuit breaker in the “on” position.5. Press keys RESET, 5

C954, C956 TreadmillPage 1-16 Page 16Procedure 4.2 - Adjusting Drive Belt Tension1. Set the treadmill circuit breaker in the “off” position and unplu

C954, C956 TreadmillPage 176. Version 3 units only If the drive belt tension is less than 70 or greater than 90 inch/pounds, slightly loosen the four

C954, C956 TreadmillPage 1-18 Page 18Procedure 5.1 - Troubleshooting the Keypad and Upper PCAIf the function keys on the electronic console are unres

C954, C956 TreadmillPage 197. Set the circuit breaker in the “on” position. 8. If a “key depressed” message is immediately displayed when the treadmi

C954, C956 TreadmillPage 1-2 Page 2Section One - Things you Should KnowAbout This AppendixThe C954 and C956 have been manufactured in three versions.

C954, C956 TreadmillPage 1-20 Page 20Procedure 5.2 - Troubleshooting the Lift System (version 1 & 2)Lift System Description:The lift sy

C954, C956 TreadmillPage 214. Insert the treadmills line in the AC outlet and set the circuit breaker in the “on” position. Set the treadmill in the

C954, C956 TreadmillPage 1-22 Page 2214. If the resistance readings in step 13 are normal, replace the lower PCA per Procedure 6.3.15. If you have pe

C954, C956 TreadmillPage 23Procedure 5.3 - Troubleshooting the Speed SensorNote:The speed sensor is a hall effect sensor that emits a pulse when a fl

C954, C956 TreadmillPage 1-24 Page 244. If the voltage is missing or significantly low, disconnect the speed sensor plug from the lower PCA. Measure

C954, C956 TreadmillPage 25Procedure 5.4 - Troubleshooting the Fan Sensor (Units manufactured prior to 9/29/2000)Note:The fan sensor func

C954, C956 TreadmillPage 1-26 Page 2610. If the reading in step 9 was normal, either or both of the blue and brown wires is bad. Check the wires from

C954, C956 TreadmillPage 27Procedure 5.5 - Troubleshooting Hand Held Heart RateCircuit DescriptionThe hand held heart rate system is actually a dual

C954, C956 TreadmillPage 1-28 Page 283. Set the on/off switch in the “off” position and remove the display housing.4. Verify the internal chest strap

C954, C956 TreadmillPage 2915. Set the on/off switch in the “off” position. Refer to Diagram 5.4 for the following measurements. With an ohmmeter mea

C954, C956 TreadmillPage 3General InformationFor the latest exploded view diagram, part number and part pricing information, visit the Precor dealer

C954, C956 TreadmillPage 1-30 Page 3025. Set the on/off switch in the “off” position, and remove the spare jumper from J14 of the heart rate PCA. Re-

C954, C956 TreadmillPage 31Procedure 5.6 - Troubleshooting the External A.C. Power SourceIt is extremely important that any Precor treadmill be conne

C954, C956 TreadmillPage 1-32 Page 322. The circuit breaker correctly feeds a single A.C. outlet but the neutral is common between several A.C. outle

C954, C956 TreadmillPage 33Procedure 5.7 - Troubleshooting the Lift System (version 3)Lift System Description:The lift system on these units consists

C954, C956 TreadmillPage 1-34 Page 344. Insert the treadmills line in the AC outlet and set the circuit breaker in the “on” position. Set the treadmi

C954, C956 TreadmillPage 3514. If the resistance readings in step 13 are normal, replace the lower PCA per Procedure 6.3.15. If you have performed al

C954, C956 TreadmillPage 1-36 Page 36Procedure 6.1 - Replacing the Lift MotorNote:The replacement lift motor must be calibrated prior to installation

C954, C956 TreadmillPage 37Procedure 6.2 - Replacing the Lift Platform1. Set the treadmill circuit breaker in the “off” position. Remove the AC line

C954, C956 TreadmillPage 1-38 Page 38Diagram 6.2 - Lift Platform Mounting (version 3)9. Slide a 5/32 inch allen wrench or similar slender tool into t

C954, C956 TreadmillPage 3913. Slide the allen wrench into the left hand (upper) lift pin alignment hole and tap the lift pin into its frame bushing

C954, C956 TreadmillPage 1-4 Page 4Procedure 2.1 - Accessing the Diagnostic SoftwareThe treadmill's diagnostic software consists of the followin

C954, C956 TreadmillPage 1-40 Page 40Procedure 6.3 - Replacing the Lower Logic PCA (version 1)Version 1 Lower Logic PCAs are no longer available. If

C954, C956 TreadmillPage 41Procedure 6.4 - Replacing the Lower Power PCA (version 1)Version 1 Lower Power PCAs are no longer available. If either the

C954, C956 TreadmillPage 1-42 Page 42Procedure 6.5 - Replacing the Fan Sense PCANote:The fan sense function was discontinued on 9/29/2000. If a fan a

C954, C956 TreadmillPage 43Procedure 6.6 - Replacing the Speed Sensor1. Set the treadmill circuit breaker in the “off” position. Remove the AC line c

C954, C956 TreadmillPage 1-44 Page 4411. Set the treadmill circuit breaker in the “on” position and check treadmill operation per Procedure 3.

C954, C956 TreadmillPage 45Procedure 6.7 - Replacing Drive Motor1. Set the treadmill circuit breaker in the “off” position and unplug the treadmills

C954, C956 TreadmillPage 1-46 Page 4615. Re-install the hood.16. Check treadmill operation per Procedure 3.

C954, C956 TreadmillPage 47Procedure 6.8 - Replacing the Circuit Breaker1. Set the treadmill circuit breaker in the “off” position and unplug the tre

C954, C956 TreadmillPage 1-48 Page 484. Remove the circuit breaker mounting screws. Remove the circuit breaker from the treadmill.5. Set the replacem

C954, C956 TreadmillPage 49Procedure 6.9 - Replacing the Line Filter1. Set the treadmill circuit breaker in the “off” position and unplug the treadmi

C954, C956 TreadmillPage 56. The keyboard test will place two dots on the display for each key on the display, including the numeric keypad. Pressing

C954, C956 TreadmillPage 1-50 Page 50Procedure 6.10 - Replacing the Line Cord1. Set the treadmill circuit breaker in the “off” position and unplug th

C954, C956 TreadmillPage 5112. Remove the line cord from the line cord socket.13. Insert the replacement line cord in the line cord socket, be sure t

C954, C956 TreadmillPage 1-52 Page 52Procedure 6.11 - Replacing the Drive Motor Cooling Fan1. Set the treadmill circuit breaker in the “off” position

C954, C956 TreadmillPage 53Procedure 6.12 - Replacing the Drive Motor Brushes1. Set the treadmill circuit breaker in the “off” position and unplug th

C954, C956 TreadmillPage 1-54 Page 549. Repeat 3-8 with remaining drive motor brush.10. Replace the drive motor per Procedure 6.7, steps 11-14.11. Re

C954, C956 TreadmillPage 55Procedure 6.13 - Replacing the Lower PCA (version 2)1. Set the treadmill circuit breaker in the “off” position. Remove the

C954, C956 TreadmillPage 1-56 Page 567. If the treadmill being serviced operates on 120Vac, the 120Vac jumper must be removed from the defective lowe

C954, C956 TreadmillPage 57Procedure 6.14 - Replacing the Lower PCA (version 3)1. Set the treadmill circuit breaker in the “off” position. Remove the

C954, C956 TreadmillPage 1-58 Page 58Procedure 6.15 - Replacing the PROMAnti-static kits (part number 20024-101) can be ordered from Precor.1. The PR

C954, C956 TreadmillPage 59Wiring Diagram 7.1 - C954, C956 (version 1)

C954, C956 TreadmillPage 1-6 Page 620. The belt power test is similar to the belt speed test except that the SPEED keys control the power bits (PWM v

C954, C956 TreadmillPage 1-60 Page 60Block Diagram 7.2 - C954, C956 120 Vac (version 1)Note: Fan sense function removed on units manufactured sfter 9

C954, C956 TreadmillPage 61Block Diagram 7.3 - C954, C956 240 Vac (version1)Note: Fan sense function removed on units manufactured sfter 9/29/2000

C954, C956 TreadmillPage 1-62 Page 62Wiring Diagram 7.4 - C954, C956 120 Vac (version 2)

C954, C956 TreadmillPage 63Wiring Diagram 7.5 - C954, C956, 240 Vac (version 2)

C954, C956 TreadmillPage 1-64 Page 64Block Diagram 7.6 - C954, C956 120 Vac (version 2)

C954, C956 TreadmillPage 65Block Diagram 7.7 - C954, C956 240 Vac (version 2)

C954, C956 TreadmillPage 1-66 Page 66Wiring Diagram 7.8 - C954, C956 120 Vac (version 3)

C954, C956 TreadmillPage 67Wiring Diagram 7.9 - C954, C956 240 Vac (version 3)BLBL

C954, C956 TreadmillPage 1-68 Page 68Block Diagram 7.10 - C954, C956 120 Vac (version 3)

C954, C956 TreadmillPage 69Block Diagram 7.11 - C954, C956 240 Vac (version 3)240VAC

C954, C956 TreadmillPage 7Procedure 2.2 - Displaying InformationThe information display will access the following data;• Odometer• Hour meter• Softwa

P0650998102 C95X Stop Button RetroFit Kit Instructions, rev. B Page 1 of 4 In an effort to minimize false

P0650998102 C95X Stop Button RetroFit Kit Instructions, rev. B Page 2 of 4 7. Route the new STOP button

P0650998102 C95X Stop Button RetroFit Kit Instructions, rev. B Page 3 of 4 10. Route the Data cable and Han

P0650998102 C95X Stop Button RetroFit Kit Instructions, rev. B Page 4 of 4 Photo 13. Pro

C954, C956 TreadmillPage 1-8 Page 812. When the QUICK START key is held for 2 seconds the message HOLD TO CLEAR ERRORS will be displayed. If the QUIC

C954, C956 TreadmillPage 9Procedure 2.3 - Selecting Club SettingsThis procedure allows you to change the following club settings:• Language• Measurem