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 stop, and Error 19 will be displayed.

Troubleshooting steps

1. Check for an Error 16. If an Error 16 is present, troubleshoot that first. The PFC will not be able to compensate for input voltage that is below the lowest threshold. As such, an Error 19 will be displayed along with an Error 16.
2. If an accompanying Error 16 is missing, replace the MC.