Precor C534i Service Manual page 27

Diagram 6.4 - Partial View of Lower PCA
10. Troubleshoot the upper to lower PCA interconnect cables per Procedure 6.1.
11. If the upper to lower interconnect cables are found to be good, replace the upper PCA.
12. If you have performed all of the above tests and are unable to resolve the problem, contact
Precor customer support.
C534i Elliptical Fitness Crosstrainer
DGND, TP4
PROM
+5D, TP13
DS1 LED
J2 Connector
Page 27