Precor 9.17 Documento tecnico

9.17, 917si Treadmill

Page 1

9.17, 9.17si 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.

917, 917si Treadmillr

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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 917, 917si Treadmill Owner’s Manual, before

you perform the maintenance procedures in this manual.

Section Two, Software Features. Precor’s 917si Treadmill is 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, Wiring and Block Diagrams. This section includes wiring and block diagrams

for 917 and 917si Treadmill.

General Information

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

website at “www.precor.com/Dealer”.

9.17, 917si Treadmill

Page 3

Technical Specifications

PHYSICAL SPECIFICATIONS

Length: 60 inches (152 cm)

Width: 28 inches (71 cm)

Height: 48 inches (122 cm)

Running surface: 18 X 54 inches (46 X 137 cm)

Motor: 2.0 hp continuous duty

Speed: 1.0 to 10 mph (1.6 to 16 kph)

10 mph is equivalent to a 6 minute mile

Incline: 0 to 10% grade

Power: 120 Vac, 50/60 Hz

240 Vac, 50/60 Hz

Weight: 150 lbs (68 kg)

Shipping weight: 160bs (75.6 kg)

ELECTRONIC SPECIFICATIONS

917 Programs:

Manual

917Si Programs:

Manual

Interval

Weight Loss

6 Pre-programmed courses (3 Walk, 3 Run)

2 Custom courses

Random

Heart Rate Course

Options

Polar Heart Rate System

Handrails

917, 917si Treadmillr

Page 4

Procedure 2.1 - Accessing the Diagnostic Program

(917si only)

The keys on the display are hypothetically numbered for 1 to 7 from left to right. Therefore,

INCLINE ▲would be key 1, INCLINE ▼ would be key 2, etc.

Placing the unit in the diagnostic mode causes the software to perform the following operations:

a. Test the LED’s mounted on the upper PCA;

b. Provide the option of calibrating the lift system;

c. Display the drive motor power bits;

d. Test the keyboard;

e. Display and test the heart rate function;

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

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

3. All of the LED’s on the display will light up. Any LED segment that is not lit is defective.

Press the SELECT key to continue.

4. After the LED test, the electronic console displays the potentiometer increment number.

5. Verify that the running bed inclines and declines as the INCLINE ▲or INCLINE ▼keys are

pressed.

6. When the potentiometer increment number is displayed on the electronic console, the

potentiometer increment number will track the incline as it is operated. Press the SELECT

key to continue.

7. The power bit number will be displayed.

Note:

When the running belt is started, the number of power bits will be displayed. Power bits represent

the amount of power applied to the drive motor. Power bits are the product of selected speed and

applied load.

8. Press the SPEED ▲ or SPEED ▼key. Verify that the power bits number increments and

decrements as the SPEED keys are pressed. The Select key will toggle the display

between the power bit reading and a mile (or kilometer) per hour reading.

9. Press the STOP key to exit the power bits mode.

9.17, 917si Treadmill

Page 5

10. A series of dots will appear on the display. Press each of the keys on the keyboard, the

appropriate dot will expand to indicate that the key is functioning. Press and hold the STOP

key to continue.

11. If the heart rate option has been installed, you may test the heart rate function using a chest

strap transmitter or test transmitter. Press the “SELECT to select U, F, or P heart rate mode.

U is unfiltered mode, F is filtered mode and Pis Polar mode. The unfiltered mode will display

an unmodified heart rate directly from the heart rate transmitter, the filtered mode will

display the heart rate averaged over a short period of time and the Polar mode will utilize a

Polar filtering system.

12. Press the STOP key to exit the diagnostics program.

Diagram 2.1 - 917si Display

Key 1 Key 2 Key 3 RESET Key 5 Key 6 Key 7

917, 917si Treadmillr

Page 6

Procedure 2.2 - Displaying the Odometer

(917si only)

The keys on the display are hypothetically numbered for 1 to 7 from left to right. Therefore,

INCLINE ▲would be key 1, INCLINE ▼ would be key 2, etc.

This procedure allows you to display the number of miles or kilometers logged on the treadmill.

Procedure

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

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

3. The console displays the number of miles or kilometers logged on the treadmill. Press the

STOP key to continue.

4. The total number of hours the treadmill drive motor has been operating will be displayed.

Press the STOP key to continue.

5. The software version will be displayed. Press the STOP key to continue.

6. The error code log will be displayed. There may be up to ten error codes logged. The error

code and the odometer reading when the error occurred will be displayed. Use either ▲to

move forward through the error code log position. Use either ▼to backward through the

error code log.

7. If you no longer require the contents of the error code log for troubleshooting and wish to

clear the error code log, press the STOP and QUICK START keys, simultaneously.

8. Press the STOP to exit.

9.17, 917si Treadmill

Page 7

Procedure 2.3 - Selecting United States Standard or Metric

Units (917si only)

The keys on the display are hypothetically numbered for 1 to 7 from left to right. Therefore,

INCLINE ▲would be key 1, INCLINE ▼ would be key 2, etc.

Selecting United States standard units causes information to be displayed in feet, miles and

pounds. Information is displayed in meters, kilometers and kilograms if metric units are selected.

After you have selected a measurement standard, the software compiles and records workout

information in the units of the measurement standard selected. Changing to the alternate

measurement standard after your workout has started will cause invalid data to be displayed. For

this reason, change the measurement standard only after turning ON the treadmill.

Procedure

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

2. With the Enter Your Weight banner scrolling, press keys RESET,5,6,7, sequentially.

3. The current setting, either U.S. Standard or Metric will be displayed.

4. Use the ▲or ▼keys to select the desired unit of measurement setting.

5. Press the STOP key to exit,

917, 917si Treadmillr

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Procedure 2.4 - Documenting Software Problems

When a problem is found with either the PROM or upper or lower PCA’s, record the information

listed below. If you isolated the problem to either the PROM, upper PCA, or lower PCA, include

the information with the malfunctioning PROM or PCA when you ship it to Precor Customer

Service.

When a problem occurs, record the following information:

• Model and serial number.

• Software version number.

• User and program number running when the problem occurred.

• A description of:

a. What happened or failed to happen.

b. The action taken by the user just before the problem occurred.

c. Problem-related information (such as how far into the program the problem occurred,

the work level being used when the problem occurred, etc.)

• The frequency of occurrence.

9.17, 917si Treadmill

Page 9

Section Three - Checking Treadmill Operation

This section provides you with a quick method 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.

Procedure

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

2. Adjust the speed of the running belt to 2–3 mph.

3. Operate the treadmill for at least 5 minutes.

a. Check the running belt alignment. If necessary, adjust the running belt tracking per

Procedure 4.3.

b. Concentrate on the feel of the running belt and the sound of the drive motor and rollers.

Be alert for running belt or drive belt slippage, unusual noises, smells, or vibrations.

c. Measure and log the AC input current under loaded and unloaded conditions.

4. Press the INCLINE ▲key while viewing the electronic console. Confirm that the running

bed inclines and the incline display increments to 10 percent as the INCLINE ▲key is

pressed.

5. Press the INCLINE ▼key while viewing the electronic console. Confirm that the running bed

returns to a level position and the incline display decrements to zero percent as the

INCLINE ▼key is pressed.

6. Check for targa looseness. The targa should not move back and forth with your body

weight. The targa should not creak or rattle as the treadmill is used.

7. Inspect the running deck trim strips for looseness. The running deck trim strips must be

securely snapped into place.

Turn off the treadmill with the circuit breaker, then unplug the treadmill from the wall outlet.

917, 917si Treadmillr

Page 10

Procedure 4.1 - Calibrating the Lift (917 only)

WARNING

Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood.

Procedure

1. Remove the top front and bottom front covers.

2. Lay the treadmill on it’s side and the unsnap lift platform wheel axle from the lift platform.

Remove the wheels and axle from the lift motor tube. See Diagram 4.1.

Diagram 4.1 - Lift Platform

3. Plug the AC line cord into an AC outlet and set the circuit breaker in the “on” position.

4. Connect a digital multimeter, set for DC volts, between terminals 5 (blue) and 6 (brown) of

the P7 lift motor connector on the lower PCA. Operate the lift until the voltmeter reading is

as close to 0.35 Vdc as possible. Set the circuit breaker in the “off” position. Allow about 5

seconds for the power supply voltage to bleed off, the green LED on the lower PCA will go

out.

Lift Platform

Wheel (4)

Lift Motor Tube

Lift Platform Axle

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