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