New Group Cycle (D92):
Technical Service Guide - Rev. 5.1
6.3.2 MALFUNCTION CASES: RPM - WATT - LEVEL
First, always upgrade the SW to the latest released version.
Case:
RPM
CASE 1
OK
CASE 2
OK
CASE 3
OK
F I X E D
CASE 4
AT "0"
Va l u e s
CASE 5
N O T
correct
The diagnostics of the various cases is provided below.
At the end of the troubleshooting procedure, test the machine.
Document uncontrolled when printed
WATT
LEVEL
FIXED AT "0" FIXED AT "1"
OK
FIXED AT "1"
OK
FIXED AT "20"
OK
OK
OK
OK
Cause:
RX and TX signal missing.
Defective Watt Sensor board (check if the
LED that blinks in normal operating condi-
tions is active).
Power does not arrive to the Watt Sensor
board (red LED off).
Hall Sensor defective or incorrectly con-
nected.
Magnet in front of the Hall sensor missing
or not in its seat.
Dedicated RPM connection cable "console
< -- > voltage converter" defective.
Voltage converter defective.
Belt slipping.
Table 16
Page 43