Precor C556 User manual

C556 Elliptical Fitness Crosstrainerl

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C556 Elliptical Fitness Crosstrainer

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

C556 Elliptical Fitness Crosstrainer

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Section One - Things You Should Know

C556 Serial Codes and Manufacturing Dates

The C556 has been manufactured in two versions. The applicable serial codes and

manufacturing dates associated with each version will be detailed below. When servicing a C556

it is critical that you are aware of which version of C556 you are servicing. The differences in the

versions may greatly impact service requirements and procedures. For convenience, the

versions detailed below will be referred to as version 1 or version 2 in the reminder of this service

manual. Any procedures that do not reference a specific version is applicable to all versions of

the C556.

Version 1 was manufactured between May 2000 and July 2001. The serial codes associated

with version 1 are 6Q, 70, 8Y, 8Z, AC, AD, AN and BB.

Version 2 was manufactured between July 2001 and the present. The serial codes associated

with version 2 are DA, DB, EW, HD and HE.

Right, Left, Front, and Back Conventions

In this manual, right, left, front, and back are from the perspective of a user standing on the C556,

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 EFX, the power cord must be disconnected from the wall outlet.

Always ensure that the EFX is unplugged from the wall outlet when you inspect or adjust the

EFX, or when you isolate, remove, or replace an EFX component.

• Removing the covers exposes high voltage components and potentially dangerous

machinery. 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 EFX operation.

• A pinching hazard exists when the unit is operated by turning the crankarms by hand. It is

possible to seriously pinch a finger between the crankarm and stairarm. The stairarms

should be removed before operating the crankarms by hand.

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Caution statements are intended to prevent damage to the EFX as a result of the current activity.

Caution statements included in this manual are listed below:

• When it is necessary to lift or move the EFX, ensure that the EFX has adequate support and

that you use proper lifting techniques.

Safety guidelines you should know and follow include:

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

• Operate the EFX on a solid, level surface.

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• Visually check the EFX 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 EFX.

• When operating the EFX, 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. Never place liquids on

any part of the EFX, while performing service.

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

circuit breaker away from water and other liquids.

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

attachments might cause injuries.

General Information

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

website at “www.precor.com/Dealer”.

Tools Required

Multimeter Allen wrench set

Anti-static kit Screwdriver set

4” - 6” gear puller 1/2” allen key, socket wrench mounted

“C” clamp or Carpenter’s clamp Precor part number 20030-117 belt gauge

US and metric end wrench set Straight edge

US and metric socket wrench set

Torque wrench, 200 in./lbs.

Torque wrench, 200 ft./lbs

C556 Elliptical Fitness Crosstrainerl

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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 EFX 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 EFX.

• Wipe down the covers, handlebars, stairarm wheels and stairarm ramps with a damp cloth.

Daily Maintenance

Clean the EFX’s frame, covers, stairarms, stairarm ramps and stairarm wheels using water or

“Simple Green”. Wipe the surface of the electronic console with a damp sponge or soft cloth. Dry

with a clean towel. “Simple Green” is the only cleaning solution that has been tested and

approved for use on the C556 ramps. Use of any other cleaner, may cause degradation of the

ramp anodizing and void the ramp warranty. The use of an acid (citric) based cleaner will cause

ramp anodizing damage and is not authorized by Precor.

Weekly Maintenance

• Vacuum underneath the EFX, following these steps:

1. Turn off the EFX with the circuit breaker, then unplug it from the wall outlet

2. Place the EFX on its side.

Note:

Place a drop cloth under the EFX to protect the flooring and to ensure that the EFX 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 EFX to an upright position.

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Quarterly Maintenance

1. Remove the rear covers.

2. Check the step up and input belt alignment and tension as in Procedure 5.3.

3. Replace the rear cover.

On-Site Preventive Maintenance (Service Technician)

When you are called to service a EFX, perform these preventive maintenance activities:

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

reading.

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

not, see Procedure 6.3

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

• Inspect the power cord. If the power cord is damaged, install a new power cord.

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

and replace wiring as necessary.

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Procedure 3.1 - Software Access Codes

The C556 uses the standard access codes to provide access to the various software features. In

using the standardized access codes the keys are hypothetically numbered left to right with key

#1 on the far left and key #7 on the far right. The standard access codes use all sequential key

presses. The allowable delay between key presses is short. If too much time is taken between

key presses the access procedure will be aborted. If the access is aborted, it will be necessary to

start over from the beginning. See Diagram 3.1. The C556 display does not utilize key positions

#2 and #3, however, they must be counted to correctly locate keys #4 through #6. On the C556

display key #1 is the RESET key and key #4 is the QUICK START key.

Standard Access Codes

Diagnostics Keys RESET,5,1,7,6,5,7,6,1

Odometer Keys RESET,6,5

Club Settings Keys RESET,5,6,5,1,5,6,5

Diagram 3.1 - C556 Display Panel

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Procedure 3.2 - Accessing the Diagnostic Program

The EFX diagnostic software cycles through the following tests:

• Display Test

• Keyboard Test

• Heart Rate Test

• Brake (resistance) Test

Procedure

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

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

3. The message DISPLAY TEST will be displayed followed by every LED on the display being

illuminated. Check each LED segment to ensure that all of the segments are illuminated.

Press the ENTER key to advance to the keyboard test.

4. The message KEYBOARD TEST will be displayed followed by a graphical representation of

each key position on the display housing. As each key on the display is pressed the key

representation is turned “off”, indicating that the key is functioning. Check each key in this

manner, including the numeric keyboard. Press and hold the ENTER key for 2 seconds to

advance to the heart rate test.

5. The message HEART RATE TEST will be displayed followed by the unfiltered (U), filtered

(F) and polar (P) heart rate readings if the heart rate option is installed in the C556 and a

chest strap transmitter or a test transmitter is being used. If the heart rate option is not

installed in the C556, the message NO HEART RATE RECEIVER will be displayed instead

of the heart rate readings. Press the ENTER key to advance to the brake test.

6. The message BRAKE TEST will be displayed followed the resistance level and brake level

readings. This test allows you to test the brake (resistance) at each resistance level. Press

the ENTER key to exit the diagnostics program.

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Procedure 3.3 - Displaying the Odometer

Procedure

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

2. With the PRECOR C556 banner scrolling, press keys RESET,6,5, sequentially. The

message ODOMETER will be displayed followed by the total number of strides

accumulated. The total number of strides can be converted to miles by dividing by 2241 or

to kilometers by dividing by 1392.5. Press the ENTER key to advance to total hours.

3. The message HOURS will be displayed followed by the total number of hours that the C556

has been in use. Press the ENTER key to advance to software version.

4. The message SOFTWARE VERSION will be displayed followed by the software versions of

the upper and lower PCA’s. For example, UPPER 1.01 LOWER 1.01. Press the ENTER key

to advance to error log.

5. The message ERROR LOG will be displayed followed by the error in log position 1. Each

log entry shows the log position, the stride count when the error occurred and the hour

meter when the error occurred. For example; 1 ER21 123456 STR 45678 HRS. The error

log can record up to ten error conditions. The error code in position one will be the most

recent error and the error in position ten will be the oldest error. If more than ten errors have

been logged, only the ten most recent will be displayed. When a new error is logged, each

existing error is pushed down one position and the error in position 10, if any, is lost. Use the

▲ and ▼keys to move through the log. Pressing and holding the QUICK START key for

four seconds will clear the log. Press the ENTER key to exit the odometer program.

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Procedure 3.4 - Club Settings

1. Enter the club settings by pressing keys RESET,5,6,5,1,5,6,5, sequentially.

2. The message SELECT LANGUAGE will be displayed followed by the currently selected

language. Use the ▲ and ▼ keys to select the language preference. Press the ENTER

key to advance to units of measurement.

3. The message SELECT UNITS will be displayed followed by the currently selected unit of

measurement. Use the ▲ and ▼ keys to select either U.S. Standard or METRIC

measurements. Press the ENTER key to advance to maximum workout time.

4. The message SET MAX WORKOUT TIME will be displayed followed by the currently

selected maximum workout time. Use the ▲ and ▼ keys to select the maximum workout

time. The maximum workout time may be set between 1 and 240 minutes or no limit. Press

ENTER to advance to maximum pause time.

5. The message SET MAX PAUSE TIME will be displayed followed by the currently selected

maximum pause time. Use the ▲ and ▼ keys to select the maximum pause time. The

maximum pause time is the that will elapse after the pause key has been pressed until the

unit resets. The maximum pause time may be set between 1 and 120 seconds. Press

ENTER to exit the club settings program.

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