Precor C932 Bedienungsanleitung

C932, C932i, C934, C936i Treadmill

Page 1

C932, C932i, C934, C936i Treadmill

Warning: This service manual is for use by Precor trained service providers only.

IfyouarenotaPrecorTrainedServicer,youmustnotattempttoserviceanyPrecorProduct;

Call your dealer for service.

This document contains information required to perform the majority of troubleshooting, and

replacement procedures required to repair and maintain this product.

This document contains general product information, software diagnostic procedures (when

available), preventative maintenance procedures, inspection and adjustment procedures,

troubleshooting procedures, replacement procedures and electrical block and wiring diagrams.

To move directly to a procedure, click the appropriate procedure in the bookmark section to the

left of this page. You may “drag” the separator bar between this page and the bookmark section

to change the size of the page being viewed.

Unauthorized Reproduction and Distribution Prohibited By Law

C932, C932i, C934, C936i Treadmilll

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Section One - Things you Should Know

About This Appendix

Section One, Things You Should Know. This section includes technical specifications. Read

this section, as well as the C934 Treadmill Owner’s Manual, before you perform the maintenance

procedures in this manual.

Section Two, Software Features. Precor’s C932, C932i, C934 and C936i Treadmill are

programmed with several diagnostic and setup features. This section contains the procedures

you need to access the diagnostic features on this treadmill.

Section Three, Checking Treadmill Operation. This section provides you with a quick way of

checking treadmill operation. Check treadmill operation at the end of a maintenance procedure

and when it is necessary to ensure that the treadmill is operating properly.

Section Four, Inspection and Adjustment Procedures. Perform inspection procedures when

a trouble symptom points to a particular problem and after removing and replacing major

components. Many maintenance problems can be fixed by adjusting various treadmill

components. This section also provides you with the step-by-step procedures required to make

these adjustments.

Section Five, Troubleshooting Procedures. The diagnostic and troubleshooting procedures

contained in this section should be performed when it is necessary to isolate a problem to a

particular component.

Section Six, Replacement Procedures. When a treadmill component must be replaced, go to

this section and follow the step-by-step procedures required to remove and replace the

component.

Section Seven, Technical Diagrams and Parts Lists. This section includes wiring diagrams,

and block diagrams for the treadmills.

General Information

For the latest exploded view diagram, part number and part pricing information, visit the Precor

dealer website at “www.precor.com/connection”.

C932, C932i, C934, C936i Treadmill

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Technical Specifications

Physical Specifications

Length: 79 inches (201 cm.)

Width: 33.5 inches (85 cm.)

Height: 55 inches (140 cm.)

Running surface: 20 inches by 57 inches (51 cm. by 145 cm.)

Motor: 3.0 hp. continuous duty DC

Speed: 0.5 to 11 mph (0.8 to 18 kph)

10 mph is equivalent to a 6 minute mile

Incline: 0% to +15% grade

Power: 120 Vac 50/60 Hz @ 20 amp

Weight: 280 lbs (127 kg.)

C932, C932i, C934, C936i Treadmilll

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Procedure 2.1 - Accessing the Hardware Validation Program

The treadmill's diagnostic program consists of the following modes:

•DisplayTest

• Keyboard Test

• Heart Rate Test

• Lift Test

• Belt Speed Test

•BeltPowerTest

Procedure

1. The keys on the display are hypothetically numbered 1 to 7 from left to right. See Diagram

2.1. The RESET is key number 4.

2. Plug the power cord into the wall outlet, then turn on the treadmill with the circuit breaker.

3. Press keys RESET,5,1,7,6,5,7,6,1, sequentially.

4. For C932 and C932i treadmills, skip to step 30. For C934 and C936i treadmills, continue

with step 5.

5. The display will momentarily read DISPLAY and then alternately illuminate every LED on

the display. Check all LED positions to ensure that all of the LED’s are functioning. Press the

ENTER key to continue.

Diagram 2.1 - C934 Treadmill Display

Key # 7

RESET Key

Key # 1

C932, C932i, C934, C936i Treadmill

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6. The display will momentarily read KEYBOARD.

7. The keyboard test will place two dots on the display for each key on the display, including

the numeric keypad. Pressing a key will cause the upper of the two dots associated with the

key to go out. Test all of the keys in this manner. Tug on the safety key lanyard, to ensure

that the STOP key will activate.

8. Press and hold the ENTER key to proceed to the heart rate test.

9. The display will momentarily read HEART RATE.

10. The heart rate test will display the heart rate being received during this test from either a

chest strap transmitter or test transmitter.

11. Two heart rate values will be displayed. They will be prefixed “U” for unfiltered and “F” for

filtered. The Polar heart rate will be displayed in the small upper window.

12. Press the ENTER key to proceed to the lift test.

13. The display will momentarily read LIFT A/D.

14. Two numbers will be displayed, the percent of lift and A/D number related to the current lift

position. The A/D (analog to digital) number represents the lift potentiometer reading. The

A/D number will be in the range of 0 to 255.

15. The lift may be operated using the INCLINE keys. The lift A/D number will change

accordingly.

16. The A/D reading will be used later in this service manual to calibrate the lift.

17. Press the ENTER key to proceed to the belt speed test.

18. The display will momentarily read BELT M.P.H.

19. The speed of the running belt is controlled by the SPEED keys during this test.

20. The following values are displayed; power bits (PWM value) and belt speed (in M.P.H.).

21. This test is valuable in diagnosing treadmill load conditions such as running bed and/or

running belt condition. As load is increased, the speed is kept at a constant value (as set via

the SPEED keys) and the current and power bits will vary proportionately to the load.

C932, C932i, C934, C936i Treadmilll

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22. It is suggested that you perform this test on a treadmill known to be in excellent operating

condition. Note the values displayed at a fixed speed (such as 3 MPH) and your body

weight. Those values may then be used to benchmark the operation of treadmills you are

diagnosing.

23. Press press the ENTER key to proceed to the belt power test.

24. The display will momentarily read BELT PWM.

25. The belt power test is similar to the belt speed test except that the SPEED keys control the

power bits (PWM value) instead of the belt speed.

26. The following values are displayed; belt speed (in M.P.H.) and power bits (PWM value).

27. This test is valuable in diagnosing treadmill response to load conditions. As load is

increased, the power bits are kept at a constant value (as set via the SPEED keys) and the

current and belt speed will vary proportionately to the load.

28. It is suggested that you perform this test on a treadmill known to be in excellent operating

condition. Note the values displayed at a fixed power bit reading (as set by the SPEED

keys) and your body weight. Those values may then be used to benchmark the operation of

treadmills you are diagnosing.

29. The belt power test is the last test in the diagnostics routine. Press the RESET or the

ENTER key to exit the diagnostics routine.

30. The display will scroll DISPLAY TEST. All of the LED’s on the display will illuminate. Check

all of the LED positions to ensure that all of the LED’s are functioning.

31. Press either the RESET or SELECT key to continue to the keyboard test.

Diagram 2.2 - C932 Treadmill Display

Key # 7

Key # 1

C932, C932i, C934, C936i Treadmill

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32. The display will scroll KEYBOARD TEST. The display will have a representation of every

key on the keyboard including the STOP key. Press each key on the keyboard to ensure that

all keys are functioning normally. Tug on the safety key lanyard, to ensure that the STOP

key will activate.

33. Press and hold either the RESET or SELECT key to continue to the heart rate test.

34. The display will scroll HEART RATE TEST. The heart rate test will display the heart rate

being received during this test from either a chest strap transmitter or test transmitter. The

display will show the polar filtered heart rate as P: XX. Press the SELECT key to toggle the

display to the unfiltered heart rate (U: XX) and filtered heart rate (F: XX).

35. Press either the RESET or SELECT key to continue to the lift test.

36. The display will scroll LIFT TEST. The lift A/D (analog to digital) number will be displayed.

The A/D number is a numerical representation of the physical lift position. As you operate

the lift the A/D number will increment and track the lift position. The A/D number will be used

in a later in this service manual to calibrate the lift.

37. Press the SELECT key to toggle the display to the incline% that corresponds to the current

A/D number.

38. Press either the RESET or SELECT key to continue to the belt speed test.

39. The display will scroll BELT SPEED TEST. The belt speed will be controlled during this test

test by the SPEED and SPEED keys. The belt speed will be displayed.

40. This test is valuable in diagnosing treadmill load conditions such as running bed and/or

running belt condition. As load is increased, the speed is kept at a constant value (as set via

the SPEED keys) and the current and power bits will vary proportionately to the load.

41. Press the SELECT key to toggle the display to power bits and time.

42. It is suggested that you perform this test on a treadmill known to be in excellent operating

condition. Note the values displayed at a fixed speed (such as 3 M.P.H.) and your body

weight. Those values may then be used to benchmark the operation of treadmills you are

diagnosing

43. Press either the RESET or SELECT key to continue to the belt power test.

44. Display will scroll BELT POWER TEST. The belt power (power bits) will be controlled during

this test by the SPEED and SPEED keys. The power bits will be displayed.

45. This test is valuable in diagnosing treadmill response to load conditions. As load is

increased, the power bits are kept at a constant value (as set via the SPEED keys) and the

current and belt speed will vary proportionately to the load.

46. Press the SELECT key to display the belt speed (in M.P.H.) and time.

C932, C932i, C934, C936i Treadmilll

Page 8

47. It is suggested that you perform this test on a treadmill known to be in excellent operating

condition. Note the values displayed at a fixed power bit reading (as set by the SPEED

keys) and your body weight. Those values may then be used to benchmark the operation of

treadmills you are diagnosing. diagnosing

48. Press either the RESET or SELECT key to continue to the belt power test.

C932, C932i, C934, C936i Treadmill

Page 9

Procedure 2.2 - Accessing the Information Display Program

The information display will access the following data;

• Odometer

• Hour meter

• Software version

• Error log

Procedure

1. Plug the power cord into the wall outlet, then turn on the treadmill with the circuit breaker.

2. Press the keys RESET,6,5, sequentially.

3. For C932 and C932i treadmills, skip to step 19. For C934 and C936i treadmills, continue

with step 4.

4. The display will momentarily read, ODOMETER.

5. The treadmill’s odometer will be displayed as 1234567.

Note: The odometer data is stored in non-volatile memory on the upper PCA. If the upper PCA

is replaced the odometer data will be lost.

6. Press the ENTER key to proceed to the hour meter display.'

7. The display will momentarily read, HOUR METER.

8. The operating time of the unit will be displayed as 12345. The operating time is defined as

total amount of time that the unit has operated in program modes with the drive motor

running. The hour meter is also used to provide the “time stamp” for the error code log.

9. Press the ENTER key to proceed to the software version display.

10. The display will momentarily read, SW VERSION.

11. The software versions of the upper and lower PCA’s will be displayed as; Ver X.XX.

12. Press the ENTER key to proceed to the error log.

13. The error log will store up to 10 error conditions. The errors are logged with the most recent

error in position one. When a new error condition occurs, each existing error is pushed down

one position in log. If there was an error in position 10 when a new error was logged, the

error that was in position 10 will be lost.

14. The display will momentarily read, ERROR LOG.

C932, C932i, C934, C936i Treadmilll

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15. The errors will be displayed as; 1: ERXX

16. The arrows keys will allow you to scroll through the log.

17. When the QUICK START key is held for 2 seconds the message CLEAR? will be displayed.

If the QUICK START key is held for an additional 2 seconds, the message OK will be

displayed. When the QUICK START key is released the message NO MORE ERRORS will

be displayed and all error are erased from the log.

18. Press the RESET the ENTER key to exit the information display.

19. The display will scroll MILES: XXXX. This display will indicated the total number of miles

logged on the treadmill.

Note: The odometer data is stored in non-volatile memory on the upper PCA. If the upper PCA

is replaced the odometer data will be lost.

20. Press either the RESET or SELECT key.

21. The display will scroll HOURS: XX. The display will indicate the total number of hours of

use.

22. Press either the RESET or SELECT key.

23. The display will scroll UPPER SW: VER X.XX LOWER SW: VER X.XX. The display will

indicate the currently installed upper and lower software versions.

24. Press either the RESET or SELECT key.

25. If the error log is empty, the display will scroll NO ERRORS. If there are errors in the error

log the display will scroll the first (most recent) error as: 1: ERXX at XXXX MILES XX

HOURS.

26. The  keys will move you forward and backward through the error log entries. When the

last entry has been displayed the display will scroll NO MORE ERRORS.

27. If you wish to clear all errors from the error log, press and hold the QUICK START key. The

display will scroll HOLD QUICK START TO CLEAR ERROR LOG. OK will be displayed

when the error log has been cleared.

28. Press either the RESET or SELECT key to exit the information display.

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