5.6 Diagnostics Fault Codes
5.6.1 Drive motors problems………………………………....…..5.24
5.6.2 Mowing motors problems …………………………...….…5.25
5.6.3 Wire sensors problems ………………………………....….5.26
5.6.4 Direction keeping problems …………………………….....5.27
5.6.1 Drive Motors Problems
Fault
#
Diagnosed item Meaning Possible cause
100 Drive motors (Forward)
Right motor
current<100mA
Right motor is disconnected
101 Drive motors (Forward)
Left motor
current<100mA
Left motor is disconnected
102 Drive motors (Forward)
Right & Left motors
current<100mA
Right & Left motors are disconnected
110 Drive motors (Forward)
Right odometer
reading=0
Right odometer is disconnected
111 Drive motors (Forward)
Left odometer
reading=0
Left odometer is disconnected
112 Drive motors (Forward)
Right & Left odometer
reading=0
Right & Left odometers are disconnected
120 Drive motors (Forward)
Right motor
PWM>95%
Right wheel friction is too high
121 Drive motors (Forward) Left motor PWM>95% Left wheel friction is too high
121 Drive motors (Forward)
Right & Left motors
PWM>95%
Right & Left wheels friction is too high
130 Drive motors (Forward)
Right wheel PWM>Left
wheel PWM
Right wheel friction>Left wheel friction, or
Right motor is slower than Left motor
131 Drive motors (Forward)
Left wheel PWM>Right
wheel PWM
Left wheel friction>Right wheel friction, or
Left motor is slower than Right motor
140 Drive motors (Forward) Right PWM<78 or >82 Test again
141 Drive motors (Forward) Left PWM<78 or >82 Test again
142 Drive motors (Forward)
Right & Left PWM<78
or >82
Test again
143 Drive motors (Forward)
Measured PWM
difference >2
Test again
200 Drive motors (Backward)
Right motor
current<100mA
Right motor is disconnected
201 Drive motors (Backward)
Left motor
current<100mA
Left motor is disconnected
202 Drive motors (Backward)
Right & Left motors
current<100mA
Right & Left motors are disconnected
210 Drive motors (Backward)
Right odometer
reading=0
Right odometer are disconnected
211 Drive motors (Backward)
Left odometer
reading=0
Left odometer are disconnected
212 Drive motors (Backward)
Right & Left odometer
reading=0
Right & Left odometers are disconnected
220 Drive motors (Backward)
Right motor
PWM>95%
Right wheel friction is too high
5
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