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9.25, 9.25i Treadmill

Page 21

Procedure 5.2 - Troubleshooting the Heart Rate System

If the 

HEART RATE

 indicator does not blink with your heart beat when you perform Procedure 

2.1, the problem may be either the heart rate receiver assembly or the chest strap assembly. 
This troubleshooting procedure gives you the information you need to determine which of these 
components is malfunctioning.

Procedure

1.

If you are referring to this procedure because the 

HEART RATE

 indicator did not blink 

properly when you performed Procedure 2.1

...

THEN...

OTHERWISE...

Skip to Step 6.

Continue with the next step.     

2.

Plug the power cord into the wall outlet, then turn on the treadmill with the ON/OFF switch.

3.

If necessary use conductive spray (Precor part number 37364-101) to ensure good contact 
between the chest strap transmitter and the user, put on the heart rate chest strap 
transmitter.Enter the diagnostics program per Procedure 2.1 or 2.2. Proceed to the heart 
rate test portion of the diagnostics program. 

HArt

 will be displayed in the right display 

window when the heart rate routine is accessed. 

4.

If the 

HEART RATE

 indicator blinks with your heart beat and the heart rate information 

displayed is correct

...

THEN...

OTHERWISE...

The Smart Rate system is operating

Continue with the next step.    

correctly. There is no need to continue
with this procedure. 

5.

Re-adjust the fit of the chest strap. If the 

HEART RATE

 indicator still does not blink as 

described in Step 4. If the chest strap transmitter has a replaceable battery, replace the 
battery. If the 

HEART RATE

 indicator still does not blink as described in Step 4

...

THEN...

OTHERWISE...

Continue with the next step.    

The Smart Rate system is operating
correctly. There is no need to continue
with this procedure.

Summary of Contents for 9.25

Page 1: ...in this product This document contains general product information software diagnostic procedures when available preventative maintenance procedures inspection and adjustment procedures troubleshootin...

Page 2: ...r 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 c...

Page 3: ...8 to 16 kph 10 mph is equivalent to a 6 minute mile Incline 0 to 15 grade Power 50 60Hz 120v AC Weight 193 lbs 87 kg Shipping Weight 233 lbs 105 kg Electronic Specifications 4 user identifications in...

Page 4: ...r reflects changes in speed and load Power bits and running belt speed will be displayed Notice the power bits number will increase or decrease as speed and or load is increased or decreased The power...

Page 5: ...9 25 9 25i Treadmill Page 5 Diagram 2 1 Display Housing 9 25...

Page 6: ...E key is pressed and decrements as the INCLINE key is pressed Press ENTER to continue 7 The third routine is the power bits display Power bits is a number that indicates the amount of time that power...

Page 7: ...dmill to trip the circuit breaker under software control If the STOP key is pressed the trip signal will be sent to the circuit breaker and the circuit will trip shutting off the treadmill If you do n...

Page 8: ...4 Procedure 1 Plug the power cord into the wall outlet then turn on the treadmill with the circuit breaker 2 With the PRECOR M9 25 or PRECOR M9 25i banner scrolling press the INCLINE INCLINE SPEED an...

Page 9: ...2 With the PRECOR M9 25 or PRECOR M9 25i banner scrolling press any key 3 At the User ID prompt select the User IDs to be reset using the SPEED or INCLINE and SPEED or INCLINE keys 4 Press the STOP an...

Page 10: ...ge TREADMILL ODOMETER scrolls across the left display window On 9 25i treadmills press keys RESET 6 5 sequentially Note The right display window displays total miles or kilometers on the treadmill see...

Page 11: ...wn one position The error that was in position 5 will be lost 5 Use the SPEED or INCLINE and SPEED or INCLINE keys to move through the error code log 6 Once you have completed the diagnosis and repair...

Page 12: ...ndard 3 Press ENTER until the WEIGHT indicator light appears 4 Watch the number displayed in the left display window while you press the SPEED key five or six times Note If the treadmill is using Unit...

Page 13: ...9 25 9 25i Treadmill Page 13 7 Use the SPEED or SPEED keys to select the alternate measurement standard 8 Press ENTER twice to return to the User ID prompt...

Page 14: ...eaker 2 With the PRECOR M9 25 banner scrolling press the ENTER key On 9 25i treadmills with the PRECOR M9 25 banner scrolling press keys RESET 5 6 7 1 sequentially 3 On 9 25 treadmills note the versio...

Page 15: ...hen you ship it to Precor When a problem occurs record the following information Model and serial number Software version number Note Determine the version number as in Procedure 2 7 User and program...

Page 16: ...brations b Measure and log the AC input current under loaded and unloaded conditions c Observe the LEDs on the electronic console Make sure that each LED lights as the in formation corresponding to th...

Page 17: ...6 Enter calibration mode by pressing and holding the ENTER key or press keys 4 5 1 7 6 5 7 6 1 sequentially 7 Use the INCLINE keys to set the Calibration Number to 20 8 Place 3 8 bolts in a mounting...

Page 18: ...hite plastic nut in the same relative position to the drive screw If necessary though you may turn the drive screw 1 2 of a revolution 12 Mount the lift motor on the treadmill as described in Procedur...

Page 19: ...he upper display assembly to the upper handrail Carefully pull some excess interconnect cable out from the targa upright Rotate the display housing so that the rear of the upper PCA is facing upward a...

Page 20: ...readings match those listed in Tables 5 1 and 5 2 and one or more keys do not function replace the upper PCA 8 If the voltage readings in Table 5 1 are incorrect disconnect the keypad cable from the...

Page 21: ...ontact between the chest strap transmitter and the user put on the heart rate chest strap transmitter Enter the diagnostics program per Procedure 2 1 or 2 2 Proceed to the heart rate test portion of t...

Page 22: ...nic console blinks with the LED on the Smart Rate Test Generator THEN OTHERWISE The chest strap assembly is bad The heart rate receiver assembly is Wear a new chest strap assembly bad Replace the hear...

Page 23: ...treadmill circuit breaker in the off position Using an ohmmeter measure between terminal 4 white wire and terminal 6 orange wire of the P2 connector on the lower PCA The measurement should be approxi...

Page 24: ...r occurs If line voltage is not present skip to step 11 If line voltage is measured but the motor does not move replace the lift motor 10 Monitor terminals 1 and 3 white and black wires of P2 Enter th...

Page 25: ...it breaker with a capacity of less than 20 amps the A C circuit must be corrected to be a 20 amp dedicated circuit before any reliable troubleshooting can be performed on the treadmill More importantl...

Page 26: ...circuit breaker If the circuit breaker is greater than 20 amps the circuit breaker should be replaced with a 20 amp circuit breaker If the circuit breaker is less than 20 amps the circuit breaker must...

Page 27: ...and unplug the treadmill before you remove the treadmill hood Removing and Replacing the Fan 1 Remove the hood 2 Remove the fan from the motor shaft 3 Push the new fan onto the motor shaft If you are...

Page 28: ...peed sensor to the speed sensor bracket Set aside the speed sensor Replacing the Speed Sensor 4 Position the speed sensor next to the speed sensor bracket Install the nut that screws the sensor to the...

Page 29: ...he lift platform 4 Remove the e rings from the ends of the lift platform shaft Slide the shaft away from the lift platform and treadmill frame 5 Remove the wheels from the lift platform Mount the whee...

Page 30: ...vis pin from the top of the lift motor 6 Remove the e rings and lift pins that secure the lift motor nut to the lift platform Remove and set aside the lift motor Replacing the Lift Motor 7 Calibrate t...

Page 31: ...CC44 Each of these packages should be removed with a proper IC removal tool see the illustrations below 4 The IC s may inserted into their socket by hand by carefully aligning the notch on the IC with...

Page 32: ...9 25 9 25i Treadmill Page 32 Wiring Diagram 7 3 9 25 9 25i...

Page 33: ...9 25 9 25i Treadmill Page 33 Block Diagram 7 4 9 25 9 25i...

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