Precor C842i Manual de usuario

C842i, C846i Upright and Recumbent Cycle

Page 1

C842i, C846i Bicycle

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

C842i, C846i Upright and Recumbent Cycle

Page 2

Section One - Things You Should Know

Right, Left, Front, and Back Conventions

In this manual, right, left, front, and back are from the perspective of a user sitting on the C842i or

C846i, facing the display enclosure.

Warning and Caution Statements and General Safety Guidelines

Warning statements indicate a particularly dangerous activity. Warning statements you will find in

this manual include:

• To remove power from the C842i, or C846i, the optional power adapter must be

disconnected from the cycle. Always ensure that the optional power adapter is disconnected

from the cycle when you inspect or adjust the C842, C842i, C846 or C846i, or when you

isolate, remove, or replace a component.

C842i, C846i Upright and Recumbent Cycle

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• Removing the covers exposes high voltage components and potentially dangerous moving

parts. Exercise extreme caution when you perform maintenance procedures with the hood

removed.

• During service operations you will be very close to moving machinery and high voltage

components. When you perform maintenance procedures with the covers removed, remove

jewelry (especially from ears and neck), tie up long hair, remove neck ties, and do not wear

loose clothing.

• Exercise caution when touching any wire or electrical component during operation.

• Caution statements are intended to prevent damage to the bicycle as a result of the current

activity. Caution statements included in this manual are listed below:

Safety guidelines you should know and follow include:

• Read the owner’s manual and follow all operating instructions.

• Visually check the bicycle before beginning service or maintenance operations. If it is not

completely assembled or is damaged in any way, exercise extreme caution while operating

and checking the bicycle.

• When operating the bicycle, do not wear loose clothing. Do not wear shoes with heels or

leather soles. Check the soles of your shoes and remove any embedded stones. Tie long hair

back.

• Do not rock the unit. Do not stand or climb on the handlebars, display enclosure, or cover.

• Do not set anything on the handlebars, display enclosure, or cover. While servicing, never

place liquids on any part of the bicycle The water bottle holder must be empty.

• To prevent electrical shock, keep all electrical components, such as the power cord and

power adapters away from water and other liquids.

• Do not use accessory attachments that are not recommended by the manufacturer, such

attachments might cause injuries or damage to the unit.

General Information

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

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

C842i, C846i Upright and Recumbent Cycle

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Required Tools and Equipment

The following is a summary of the tools and equipment that may be required when you service a

Precor C842i, or C846i Upright or Recumbent Cycle.

Tools

Phillip and flat-head screwdrivers

Standard and metric allen wrench set

Open-end wrench set

Socket wrench set

Chip puller

Rubber mallet

Snap ring pliers

Torque wrench

Pry bar

20030-119 secondary sheave tool

32 mm deep well socket

Equipment

Anti-static kit

Digital multimeter

Supplies

Cable ties

C842i, C846i Upright and Recumbent Cycle

Page 5

Section Two - Preventive Maintenance

Preventive maintenance measures are either scheduled or unscheduled. Scheduled preventive

maintenance activities are included here so that you are aware of preventive measures

performed on a regular basis.

Regular Preventive Maintenance (Owner)

Cleanliness of the cycle and its operating environment will keep maintenance problems and

service calls to a minimum. Precor recommends that you perform the following preventive

maintenance schedule.

After Each Use

• Turn off and, unplug the power adapter (if equipped) from the bicycle.

• Wipe down the covers, handlebars, seat and pedals with a damp cloth.

Daily Maintenance

Clean the bicycle’s frame, covers, seat and pedals using a water damped cloth. Wipe the surface

of the electronic console with a damp sponge or soft cloth. Dry with a clean towel.

Weekly Maintenance

• Clean underneath the bicycle, following these steps:

1. Turn off the bicycle with the on/off switch, then unplug it from the power adapter (if

equipped).

2. Place the bicycle on its side.

Note:

Place a drop cloth under the bicycle to protect the flooring and to ensure that the cycle handrail is

not scratched or damaged.

3. Vacuum the rug or damp mop the floor.

4. Make sure that the floor is dry before returning the bicycle to an upright position.

C842i, C846i Upright and Recumbent Cycle

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Quarterly Maintenance

1. Remove the cover.

2. Thoroughly clean inside the bicycle. Use a vacuum cleaner and damp rag all dust belt

particles, etc.

3. Check the belt tension of both belts per Procedures 5.1 and 5.2.

4. Replace both covers.

On-Site Preventive Maintenance (Service Technician)

When you are called to service a C842i, or C846i, perform these preventive maintenance

activities:

• Perform the software diagnostics. Check LED and keypad function. Record the odometer

reading. See Procedure 3.1.

• Check speed sensor function (is RPM or speed displayed when the unit is in operation?). If

not, see Procedure 6.4

• If the unit is operated at resistance level 1, does it turn freely and smoothly? If not, see

Procedure 6.6.

• Visually inspect the drive belts for cracks, fraying or excessive wear.

• Visually examine all wires and check connectors and wire connections. Secure connections

and replace wiring as necessary.

C842i, C846i Upright and Recumbent Cycle

Page 7

Procedure 3.1 - Accessing the Diagnostic Software

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

• Display Test

• Keyboard Test

• Heart Rate Test

• Machine Test

Procedure

1. Using the RESET key and the numeric keypad, press keys RESET,5,1,7,6,5,7,6,1, sequen-

tially.

2. Hardware Validation will scroll across the display followed by DISPLAY TEST.

Diagram 3.1 - C846i Display

Numeric

Keypad

OK Key

Back Key

Reset Key

C842i, C846i Upright and Recumbent Cycle

Page 8

3. Press the OK key, the upper most group of LED’s will illuminate on the display. Check the

display to ensure that all LED segments are illuminated.

4. Press the OK key four more times to display the remaining LED groups. Check each display

group to ensure that all LED segments are illuminated.

5. Press the BACK key then the Tkey, KEYBOARD TEST will scroll across the display.

6. Press the OK key, a representation of all of the keys on the console will be displayed.

Pressing a key on the console will cause the representation of that key to go off. Press all of

the keys on the console to ensure that all of the keys are functioning.

7. Press and hold the BACK key then the Tkey, HEART RATE will be displayed.

8. Grasp both of the heart rate grips on the handlebar, after a couple of seconds the heart rate

will be displayed in the heart rate and smart rate displays.

9. Use chest strap transmitter or a test transmitter to test the wireless heart rate function, after

a couple of seconds the heart rate will be displayed in the heart rate and smart rate displays.

10. Press the BACK key then the Tkey, MACHINE TEST will scroll across the display.

11. Press the OK key, BRAKE test will be displayed.

12. Press the Tkey, PWRB will be displayed with the current power bit setting.

13. Press the BACK key, BRAKE test will be displayed.

14. Press the Tkey, RPM will be displayed with the current pedaling speed.

15. Press the BACK key, BRAKE test will be displayed.

16. Press the Tkey, BATTERY test will be displayed.

17. Press the OK key, the battery voltage will be displayed as XX.X VDC.

18. Press the RESET key to exit the hardware validation test.

C842i, C846i Upright and Recumbent Cycle

Page 9

Procedure 3.2 - Information Display

Software version numbers are invaluable for tracking and identifying problems and staying aware

of changes to the operation and features of the product.

Procedure

The information display will access the following data;

• Odometer

• Hour Meter

• U-Boot Software

• U-Base Software

• Lower Software

• Serial Number

• Usage log

• Error Log

Procedure

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

2. With the PRECOR banner scrolling, press the keys RESET,6,5, sequentially.

3. DIAGS-INFORMATION DISPLAY will scroll across the display.

4. Use the S,Tkeys to move to the desired display shown in the list above.

5. ODOMETER display. Press the OK key.

6. The odometer will be displayed as XXX miles.

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.

7. Press the BACK key to exit the odometer display.

8. HOUR METER display. Press the OK key.

9. The operating time of the unit will be displayed as 12345 HOURS. 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.

10. Press the BACK key to exit the hour meter display.

C842i, C846i Upright and Recumbent Cycle

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11. U-BOOT SW display. This display the installed version of upper boot software. The boot

software is used to upload new software into the upper display PCA.

12. Press the OK key. The software part number will be displayed as XXXXX-XXX.

13. Press the BACK key to exit the U-Boot SW display.

14. U-BASE SW display. This display the installed version of upper PCA software.

15. Press the OK key. The software part number will be displayed as XXXXX-XXX.

16. Press the BACK key to exit the U-Base SW display.

17. LOWER SW display. This display the installed version of lower PCA software.

18. Press the OK key. The software part number will be displayed as XXXXX-XXX.

19. Press the BACK key to exit the lower SW display.

20. SER. NUMBER display. Press the OK key.

21. The treadmill’s serial number will be displayed. The serial number may be incorrect or not

displayed if the upper PCA has been replaced.

22. Press the BACK key to exit the serial number display.

23. USAGE LOG display. Press the OK key.

24. Use the S,Tkeys to move through the list of programs. A message will scroll describing the

program, the number of times and the number of minutes the program was used.

25. Press the BACK key to exit the usage log display.

26. ERROR LOG display. Press the OK key, the quantity of errors in the log will be displayed.

27. Press the OK key, the most recent error will be displayed first.

28. Use the S,Tkeys to move through the list of errors. The error messages will list the error

name, the odometer reading when the error occurred, the hour meter when the error

occurred and the drive motor current reading when the error occurred.

29. Press the RESET key to exit the information display.

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