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Precor Error Code 27 Motor Current Too High

Mar 03, 2022

Applies to Treadmills Overview Error codes 27, 28, and 29 overview, see 27, 28, 29 Overview Issue symptoms The motor controller monitors the amount of current being used by the drive motor. Error 27 is triggered when the motor current increases to the maximum drive motor current (approximately 20 amps). The most likely cause is a worn running belt and deck. Less likely, but ...

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Precor Error Code 27, 28, 29 Overview Drive Motor Current Overloading Overview

Mar 03, 2022

Applies to Treadmills Overview Characteristics of treadmill overloading are: Most frequent cause of treadmill shutting down. Overloading is most often caused by excess deck/belt friction but can be made worse by line voltage conditions. Happens more often with heavier runners, but never walkers. In high-use clubs (10 hours or more of use per day), the decks/belts will wear out ...

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Precor Error Codes with Flowchart and Warnings

Feb 21, 2022

About There is a set of standard error codes implemented across Precor cardio exercise equipment. Error codes are system generated codes that identify specific machine fault conditions. The maintenance software monitors error code event conditions, when a fault is detected, the error code is generated and stored in the Error Log or CPA(Touchscreen console Control Processing Assembly.) ...

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Precor Error Code 25 Motor Controller / LPCA Hardware Error

Feb 21, 2022

Applies to TRM800-14/18 treadmills, EFX800-16 ellipticals Issue symptoms On the TRM, this error monitors the functionality of the MC. If the software detects a defect in the MC, the treadmill will stop working and Error 25 will be displayed. On the EFX, this error monitors the functionality of the LPCA. The Major processor detects that the Minor processor is not working correctly, ...

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Precor Error Code 21 Too Many Maximum Consecutive Power Requests

Feb 21, 2022

Applies to Consumer treadmills, Commercial treadmills pre-2006 Issue symptoms This error monitors the treadmill's power bit reading when the treadmill operates at speeds above 1 MPH. Power bits indicate the relative time the motor controller drive circuit is switched on. Therefore, power bits is an indication of the amount of power the load is demanding from the motor controller. Error 21 ...

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Precor Error Code 19 PFC Malfunction

Feb 21, 2022

Applies to TRM800-14/18 treadmills Issue symptoms The treadmill uses Power Factor Correction (PFC) to maximize the input power for greatest efficiency. This allows for fluctuations in the input voltage without affecting the performance of the treadmill. When the MC detects that the PFC circuitry is not able to correctly compensate for fluctuating input voltage, the treadmill will ...

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Precor Error Code 18 Dynamic Brake Resistor (DBR) Thermal Switch Open

Feb 21, 2022

Applies to TRM800-14/18 treadmills Issue symptoms As with Error 17, current generated by the drive motor is sent to the dynamic brake resistor (DBR). If enough current is sent to the dynamic brake resistor (DBR) such that it becomes excessively warm, an internal thermal switch will open, which will stop the treadmill and briefly display Error 18. This error will be logged and “Use Another ...

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Precor Error Code 12 MC / LPCA Software Watchdog (Lower PCA)

Feb 21, 2022

Applies to Treadmills and powered Ellipticals Issue symptoms On an EFX, the watchdog program monitors the proper execution of software in the LPCA microcontrollers. If a program is stuck in a routine, has a memory leak, or has any other fatal error that stops the program from performing its critical tasks (aka “hung”), the watchdog will be triggered. When this happens, the ...

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Stairmaster Steppers SC916 and SC5 Pedal Design Change

Feb 17, 2022

This document explains the change that was made to the SC916 and SC5 model pedals. ...

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Stairmaster Steppers SC5 Poor Battery Life

Feb 17, 2022

An investigation of abnormal battery drain reports has led to a change in the electrical system used on the SC5. To maximize performance, the battery and Lower Control Board (LCB) have been enhanced. Should you have a drained battery on an SC5 before serial number 155005DAY12340116, you must replace the LCB and battery together. Please check the attached pdf How to enhanced battery and ...

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