EFX C556 User Manual

C556 Self Powered Elliptical Fitness Crosstrainerl
Page 1
C556 Self Powered Elliptical Fitness Crosstrainer
Warning: This service manual is for use by Precor trained service providers only.
If you are not a Precor Trained Servicer, you must not attempt to service any Precor Product;
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
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Unauthorized Reproduction and Distribution Prohibited By Law

EFX C556 Specifications

General

Type	Elliptical
Drive System	Rear Drive
Resistance Levels	20
Display	LCD
Heart Rate Monitoring	Contact Grips
Weight Capacity	350 lbs (159 kg)
Programs	12 (Manual, Interval, Fat Burn, Cardio, Strength, Calorie, Custom)

Summary

Section One - Things You Should Know

General System Information

Explains the functions of the generator in the EFX unit.

Warning and Caution Statements and General Safety Guidelines

Lists specific warnings and safety precautions for operating and servicing the EFX.

Tools Required

Section Two - Preventive Maintenance

Regular Preventive Maintenance (Owner)

Outlines routine maintenance tasks for the owner to perform.

On-Site Preventive Maintenance (Service Technician)

Maintenance tasks for service technicians during on-site visits.

Software and Diagnostic Procedures

Procedure 3.1 - Software Access Codes

Lists access codes for diagnostics, odometer, and club settings.

Procedure 3.2 - Accessing the Diagnostic Program

Step-by-step instructions to enter and navigate the diagnostic program.

Section Four - Checking EFX 556 Operation

Maintenance Procedures

Procedure 5.1 - Measuring the Resistance of a Generator

Steps to measure generator resistance using an ohmmeter.

Procedure 5.2 - Inspecting and Adjusting Belt Tension

Instructions for measuring and adjusting input and generator belt tension.

Troubleshooting Procedures

Procedure 6.1 - Troubleshooting Interconnect Cables

Steps to troubleshoot issues with interconnect cables.

Procedure 6.3 - Upper Display does not Illuminate

Steps to diagnose why the upper display is not illuminating.

Procedure 6.4 - Troubleshooting the Generator

Steps to troubleshoot the generator, including resistance and voltage tests.

Component Replacement Procedures

Procedure 7.2 - Replacing the Display Enclosure or Upper PCA

Steps to remove and replace the display or upper PCA.

Procedure 7.5 - Replacing a Crankarm Assembly

Steps to remove and replace a crankarm assembly.

Procedure 7.21 - Replacing a Generator

Steps to remove and replace the generator.

Procedure 7.22 - Replacing a Battery

Steps to remove and replace the battery.

Diagrams

Wiring Diagram 8.1 - C556 Self Powered

Wiring diagram for the C556 Self Powered unit.

Block Diagram 8.2 - C556 Self Powered

Block diagram of the C556 Self Powered EFX.