Precor C546i User Manual

C546i Self Powered Elliptical Fitness Crosstrainer
Page 1
C546i Self Powered Elliptical Fitness Crosstrainer
(version 2, serial codes AA32, AAAJ, ADEE)
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.

Precor C546i Specifications

General

Type	Elliptical Trainer
Resistance Levels	20
Max User Weight	350 lbs
Dimensions	80" L x 30" W x 68" H / 203 x 76 x 173 cm
Display	LCD
Heart Rate Monitoring	Touch and telemetry
Power	Self-Powered
Display Type	LCD
Power Requirements	Self-Powered
Stride Length	18 inches
Weight	280 lbs / 127 kg
Product Weight	280 lbs / 127 kg

Summary

Section One - Things You Should Know

Safety Guidelines and Warnings

Lists critical safety warnings and guidelines for servicing the unit.

Procedure 3.2 - Accessing the Diagnostic Program

Diagnostic Program Tests

Details the sequence of diagnostic tests like Display, Keyboard, and RPM tests.

Procedure 3.6 - Software Uploading Procedure

On-Site Software Uploading

Section Four - Checking C546i Operation

Performing Operation Checks

Provides a quick method to check the EFX's operational status and sounds.

Procedure 5.1 - Measuring the Resistance of a Generator

Generator Resistance Measurement

Details how to use an ohmmeter to measure generator resistance.

Procedure 5.2 - Inspecting and Adjusting Belt Tension

Belt Tension Inspection and Adjustment

Procedure 5.3 - Calibrating the Incline Motor

Incline Motor Calibration

Outlines the steps to calibrate the incline motor for proper ramp movement.

Procedure 6.1 - Troubleshooting the Lower and Upper Interconnect Cables

Interconnect Cable Troubleshooting

Provides steps to diagnose issues with upper and lower interconnect cables.

Procedure 6.2 - Troubleshooting the Keypad and Upper PCA

Keypad and Upper PCA Troubleshooting

Guides on diagnosing problems with the keypad or the upper PCA.

Procedure 6.3 - Upper Display does not Illuminate

Troubleshooting Upper Display Illumination

Steps to troubleshoot why the upper display is not illuminating.

Procedure 6.4 - Troubleshooting the Generator

Generator Troubleshooting Procedures

Details procedures to test and diagnose generator issues.

Procedure 6.5 - Troubleshooting Hand Held Heart Rate

Hand Held Heart Rate Troubleshooting

Procedure 6.6 - Troubleshooting the Incline System

Incline System Troubleshooting

Guides on diagnosing and resolving problems with the incline system.

Procedure 7.3 - Replacing the Display Enclosure or Upper PCA

Display Enclosure and Upper PCA Replacement

Procedure 7.4 - Replacing the Lower PCA

Lower PCA Removal and Replacement

Procedure 7.6 - Replacing a Crankarm Assembly

Crankarm Assembly Replacement

Procedure 7.7 - Replacing a Incline Motor

Incline Motor Replacement

Guides on removing and replacing the incline motor.

Procedure 7.8 - Replacing the Input Pulley Belt

Input Pulley Belt Replacement

Procedure 7.9 - Replacing the Generator Pulley Belt

Generator Pulley Belt Replacement

Procedure 7.10 - Replacing the Input Pulley Assembly

Input Pulley Assembly Replacement

Procedure 7.11 - Replacing the Step-Up Pulley Assembly

Step-Up Pulley Assembly Replacement

Procedure 7.12 - Replacing a Stairarm Wheel

Stairarm Wheel Replacement

Procedure 7.14 - Replacing a Stairarm

Stairarm Replacement

Detailed instructions for removing and replacing a stairarm.

Procedure 7.15 - Replacing a Ramp Assembly

Ramp Assembly Replacement

Procedure 7.16 - Replacing a Handlebar

Handlebar Replacement

Procedure 7.17 - Replacing a Generator

Generator Replacement

Procedure 7.19 - Replacing a Battery

Battery Replacement

Procedure 7.21 - Replacing the PROM

PROM Replacement Procedure

Wiring Diagram 8.1 - C546i Self Powered

C546i Self Powered Wiring Diagram

Block Diagram 8.2 - C546i Self Powered

C546i Self Powered Block Diagram