Precor C556 User Manual

C556, C556i Navy Self Powered Elliptical Fitness
Page 1
C556, C556i Navy 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
to change the size of the page being viewed.
© 2004 Precor Incorporated
Unauthorized Reproduction and Distribution Prohibited By Law

Precor C556 Specifications

General

Type	Elliptical
Resistance Levels	20
Display Type	LCD
Max User Weight	350 lbs (159 kg)
Heart Rate Monitoring	Yes

Summary

Section One - Things You Should Know

Conventions and System Overview

Defines directional terms and explains the generator's role.

Safety Warnings and Guidelines

Lists critical safety warnings and precautions for operation and service.

General Information and Tools

General Product Information

Provides general product information and website references.

Tools Required for Service

Lists the necessary tools for service and maintenance procedures.

Section Two - Preventive Maintenance

Owner Maintenance Schedule

Outlines cleaning and maintenance tasks for the owner.

Technician Maintenance Procedures

Specific quarterly and on-site maintenance procedures for service technicians.

Procedure 3 - Software Operations

Software Access, Diagnostics, and Settings

Covers access codes, diagnostics, odometer, and club settings.

Documenting Software Problems

Information to record when encountering software issues.

Section Four - Checking EFX Operation

EFX Operation Check Procedure

A quick method to verify the EFX is functioning correctly after maintenance.

Procedure 5 - Generator and Belt Maintenance

Generator Resistance Testing

Steps to test generator resistance for different models.

Belt Tension Inspection and Adjustment

Procedure to check and set belt tension for optimal performance.

Procedure 6 - Troubleshooting

Interconnect Cable and Keypad/PCA Troubleshooting

Diagnosing issues with interconnect cables, keypad, and upper PCA.

Display and Generator Troubleshooting

Steps for resolving display illumination and generator problems.

Procedure 7 - Component Replacement

Display, PCA, and Cable Replacement

Procedures for replacing display, PCA, and interconnect cables.

Drive Train and Mechanical Component Replacement

Procedures for replacing crankarms, belts, wheels, and stairarms.

Generator, Battery, and Power System Replacement

Procedures for replacing generator, battery, load resistors, and power jack.

Frame and Support Structure Replacement

Procedures for replacing main column, frame tube, and ramp assemblies.

System Diagrams and Wiring

C556 Navy System Diagrams

Electrical and functional diagrams for the C556 Navy model.

C556i Navy System Diagrams

Electrical and functional diagrams for the C556i Navy model.