Console
The console provides the user interface operational control inputs, the metric indicator inform-
ation, and the console-to-base communication interface. The console Upper PCA
1
board
(UPCA
2
) sends the input control commands to the base Lower PCA
3
board (LPCA). The con-
sole also receives error code data from the base which is used to maintain the Error Log ser-
vice menu.
Base
The base Lower PCA (LPCA
4
) receives machine control commands from the console and dir-
ectly executes the commands to control the braking, lift operation, and power ON/OFF state.
1
Upper printed circuit assembly; generally refers to the console.
2
Upper PCA board
3
Printed circuit assembly, generally referred to as either an upper PCA or lower PCA.
4
Lower printed circuit assembly; generally this refers to the lower board. On treadmills, this is
the motor controller unit (MCU), and on self-powered units, it is the main board in the lower
section.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 222
9 Electrical Systems
System Component Overview
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