Communications Error Troubleshooting
Errors 30 through 33 all indicate the loss of communications or erratic communications
between the Upper PCA
1
"UPCA
2
" and the Lower PCA
3
"LPCA
4
".
The main reason for a general communication error is a faulty interconnect cable, either it is
not connected securely, or it has become damaged. Error 30 can be caused by an over-
loaded or shorted +3.3 Vdc or +5 Vdc on the lower PCA
5
, which can be caused by an
external component plugged into the lower PCA. Error 32 is often caused right after service
or installation, when the interconnect cable is unplugged from the upper PCA while the
lower PCA is powered. It is also caused when the cable is plugged into the CSAFE
6
port on
the upper PCA.
Related Error Codes
Communications error codes: 30 through 33.
RELATED
ERROR CODE DESCRIPTION
30 Error 30 is defined as upper PCA is active, the lower PCA is not com-
municating
31 Error 31 is defined as faulty data received from lower PCA (extremely
rare)
32 Error 32 is defined as lower PCA is active, the upper PCA is not com-
municating
33 Error 33 is defined as faulty data received from upper PCA (extremely
rare)
1
Upper printed circuit assembly; generally refers to the console.
2
Upper PCA board
3
Lower Printed Circuit Assembly board; also refered to as the Lower PCA or simply as the
lower board. On treadmills, it is the console to base function interface and the motor con-
troller unit (MCU). On self-powered units, it is the lower PCA console to base function inter-
face.
4
Lower Printed Circuit Assembly board; also refered to as the Lower PCA or simply as the
lower board. On treadmills, it is the console to base function interface and the motor con-
troller unit (MCU). On self-powered units, it is the lower PCA console to base function inter-
face.
5
Printed circuit assembly, generally referred to as either an upper PCA or lower PCA.
6
Communication Specification for Fitness Equipment protocol.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 200
7 Troubleshooting
System Troubleshooting Procedures
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