Precor 5.23 User Manual

5.23 Elliptical Fitness Crosstrainer
Page 1
5.23 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 5.23 Specifications

General

Brand	Precor
Model	5.23
Category	Elliptical Trainer
Language	English

Summary

Section One - Things You Should Know

Warning and Caution Statements and General Safety Guidelines

Outlines critical safety warnings and general guidelines for safe operation and maintenance.

Diagnostic and Information Procedures

Procedure 2.1 - Accessing the Diagnostic Program

Steps to enter and navigate the diagnostic software tests for the EFX 5.23.

Procedure 2.4 - Documenting Software Problems

Preventive Maintenance and Operation Checks

Section Three - Preventive Maintenance

Section Four - Checking EFX 5.23 Operation

Component Measurement and Calibration

Procedure 5.1 - Measuring the Resistance of an Eddy Current Magnet

Procedure 5.2 - Inspecting and Adjusting Belt Alignment and Tension

Steps to inspect, align, and adjust drive belt tension for optimal performance.

Procedure 5.3 - Calibrating the Lift Motor

Troubleshooting Procedures

Procedure 6.1 - Troubleshooting the Lower and Upper Interconnect Cable

Steps to diagnose and fix issues with interconnect cables, including error codes.

Procedure 6.2 - Troubleshooting the Keypad and Upper PCA

Steps to troubleshoot unresponsive function keys and the upper PCA.

Procedure 6.3 - Troubleshooting the Speed Sensor

Steps to diagnose problems with the speed sensor and its related components.

Procedure 6.4 - Troubleshooting the Eddy Current System

Steps to diagnose and resolve issues with the eddy current resistance system.

Procedure 6.5 - Upper Display does not Illuminate

Specific troubleshooting for a non-illuminating upper display.

Procedure 6.6 - Troubleshooting the Lift System

Steps to diagnose and resolve problems with the unit's lift system.

Component Replacement Procedures

Procedure 7.2 - Replacing a Display Enclosure or Upper PCA

Procedure 7.3 - Replacing a Lower PCA

Procedure 7.6 - Replacing a Crankarm Assembly

Procedure 7.17 - Replacing a Stairarm

Procedure 7.18 - Replacing a Ramp Assembly

Procedure 7.26 - Replacing a Lift Motor

Procedure 7.27 - Replacing the PROM