Precor C960 Manuel utilisateur

C960 Series Commercial Treadmill

Page 1

C960, C962, C964 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

C960 Series Commercial Treadmill

Page 2

Section One - Things you Should Know

About This Appendix

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

procedure matrix. Read this section, as well as the owner's manuals shipped with the C960,

C962 and C964 Treadmills, before you perform the procedures in this manual.

Section Two, Software Features. Precors C960 Series Treadmills 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 problem and after replacing major components. Many

maintenance problems can be fixed by adjusting various treadmill components. This section also

provides the step-by-step procedures required to make these adjustments.

Section Five, Troubleshooting Procedures. Diagnostic and troubleshooting procedures are

performed when it is necessary to isolate a problem to a particular component.

Section Six, Replacement Procedures. When a component must be replaced, follow the step-

by-step procedures included in this section.

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

and block diagrams for the C960, C962 and C964 Treadmills.

General Information

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

website at “www.precor.com/Dealer.

C960 Series Commercial Treadmill

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Technical Specifications

Length: 80.5 inches (205 cm.)

Width: Handrails 32 inches (81 cm.)

Height: 45 inches (114 cm.)

Running surface: 61 inches by 20 inches (155 cm. by 51 cm.)

Speed: 240 Volts: 0.5 to 15 m.p.h. (0.8 to 24 k.p.h.)

120 Volts: 0.5 to 10 m.p.h. (0.8 to 16 k.p.h.)

(SCR) 120 Volts: 0.5 to 15 m.p.h. (0.8 to 24 k.p.h.),

(PWM)

Incline: -3% to +15% grade (C962 and C964 only)

0% Fixed grade (C960)

Power: 50/60 Hz 120 Vac or 240 Vac

Shipping Weight: 502 lbs (226 kg.)

C960 Series Commercial Treadmill

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Serial Number Sequencing

Table 1 identifies the serial number sequences for C960 Series SCR and PWM treadmills.

Table 1. C960 Series Treadmill Serial Number Sequences

SCR Units

If the Model is... And the Voltage The Serial Number

Rating is... Starts With...

C960 120 83

C960 240 84

C962 120 80

C962 240 82

C964 120 81

C964 240 85

PWM Units

If the Model is... And the Voltage The Serial Number

Rating is... Starts With...

C960 240 1N

C962 120 1Y

C962 240 1P

C964 120 1Q

C964 240 1R

i Units

If the Model is... And the Voltage The Serial Number

Rating is... Starts With...

C962i 120 3A

C962i 240 3B

C964i 120 3E

C964i 240 3F

C960 Series Commercial Treadmill

Page 5

SCR and PWM Upper PCAs

Note:

Upper PCA part number 33663-10X is used on C960s & C962s. Upper PCA part number 33662-

10X is used on C964s. There are currently three versions of the upper PCA that may be

encountered in the field. Versions -101 through 105 were only used on SCR treadmills and have

a fixed 11 MHZ clock frequency. Treadmills manufactured starting October 10, 1995 used the

version -106. Theses boards could be used on either SCR or PWM treadmills and could be set

for either 11 MHZ (SCR) or 16 MHZ (PWM) operation (see diagram 1.1). On August 6, 1997 on

version -108 the jumper selection was changed to indicate SCR or PWM (see diagram 1.2).

Diagram 1.1 - UPCA jumpers versions -106 & -107

Diagram 1.2 - UPCA jumpers versions -108 and higher

C960 Series Commercial Treadmill

Page 6

Procedure 2.1 - Running the Diagnostic Program (SCR &

PWM Units)

Placing the C962 or C964 Treadmill in diagnostic mode causes the software to perform the

following operations:

a Test the LEDs mounted on the upper PCA;

b Provide the option of adjusting the lift system;

c Provide the option of adjusting the limit switches;

d Display the odometer setting in either miles or kilometers;

e Display the software version number;

f Display the drive motor power bits;

g For SCR units (PROM Version 2.08 and earlier), display a prompt allowing you to select

between 110- and 220-volts; and

h Provide a method of checking the operation of the keys on the electronic console.

Procedure

1. Plug the power cord into the wall outlet, then position the safety switch at the green dot.

Turn on the treadmill by using the circuit breaker.

2. At the PRESS ENTER FOR PROGRAMS prompt, press and hold the SPEED T, SPEED S,

and INCLINE Skeys simultaneously or keys RESET,5,1,7,6,5,7,6,1 sequentially on units

with standard access codes. The LED display test is initiated on the electronic console. (The

C964 electronic console is shown in Diagram 2.1. Diagram 2.2 is the C962 electronic

console. The C960 electronic console is shown in Diagram 2.3).

3. Watch the electronic console as the display test progresses. This test is programmed to

display the following LED illumination sequence:

a A horizontal series of dashes appear on the left and right display windows; and

b The LEDs to the left of the first column of functions illuminate, followed by the LEDs to

the second and third column.

4. The ADJUST LIFT [YES/DN NO/UP] prompt is displayed. If you wish to adjust the lift...

C960 Series Commercial Treadmill

Page 7

THEN... OTHERWISE...

Press any Tkey, then continue Press any Skey, then skip to Step 6.

with the next step.

Diagram 2.1 - C964 Electronic Display

5. With the message PRESS ENTER WHEN FINISHED displayed on the electronic console,

press the INCLINE Sand INCLINE Tkeys to adjust the slant of the running bed. Press

ENTER when you are finished.

6. The LIMIT SWITCH [YES/DN NO/UP] prompt is displayed. If you wish to check the limit

switches...

THEN... OTHERWISE...

Press any Tkey, then continue Press any Skey, then skip to Step 9.

with the next step.

7. Watch the electronic console. If the three limit switches are adjusted correctly, the following

series of messages is displayed on the electronic console:

GOING TO FIFTEEN PERCENT

AT FIFTEEN PERCENT

GOING TO UPPER LIMIT

GOING TO NEG THREE PERCENT

AT NEGATIVE THREE PERCENT

GOING TO LOWER LIMIT

GOING TO ZERO

C960 Series Commercial Treadmill

Page 8

Diagram 2.2 - C962 Electronic Display

Diagram 2.3 - C960 Electronic Display

C960 Series Commercial Treadmill

Page 9

8. If all of the messages listed in Step 7 are displayed on the electronic console...

THEN... OTHERWISE...

The treadmill lift switches are Press RESET to return to the PRESS

calibrated correctly, press ENTER ENTER FOR PROGRAMS prompt,

to continue. then calibrate the lift systems

described in Procedure 4.1.

Note:

Some newer versions of software display the odometer as a separate function. Refer to

procedure 2.4 for these units.

9. The electronic console displays the odometer reading. With the MILE NNNNN or

KILOMETER NNNNN message displayed, press ENTER.

Note:

NNNNN represents the number of miles (or kilometers) travelled on the running belt. The

mileage is recorded on the upper PCA. If a new upper PCA is installed in the treadmill, the

odometer reading will be zero.

10. The electronic console displays the version number of the PROM. With the VERSION N.N

message displayed, press ENTER.

Note:

N.N represents the version number of the PROM currently installed on the upper PCA.

11. The electronic console displays the drive motor power bits. With the POWER BITS NNN

message displayed, press ENTER.

IMPORTANT

Step 12 applies only to SCR units (PROM Version 2.08 and earlier).

12. Press ENTER to display the CHOOSE MOTOR [220/DN 110/UP] prompt. If you are

servicing a 110-volt treadmill, press any Skey, then continue with the next step. If you are

servicing a 240-volt unit, press any Tkey.

13. The electronic console displays the NO KEYS message. Press each of the keys listed in the

left column of Table 2.1. Verify that the message across from each function key name is

displayed on the electronic console as the key is pressed.

Note:

The messages displayed in the right column are displayed as the keys are pressed. The

message NO KEYS is displayed after each key is pressed.

14. When the NO KEYS message is displayed after you test the QUICK START/SET PACER

key, press RESET to return to the PRESS ENTER FOR PROGRAMS prompt.

15. Turn off the treadmill with the circuit breaker, then unplug the power cord from the wall

C960 Series Commercial Treadmill

Page 10

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