Friendly Robotics robomower RL350 Service Manual page 168

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
#
100 Drive motors (Forward)
101 Drive motors (Forward)
102 Drive motors (Forward)
110 Drive motors (Forward)
111 Drive motors (Forward)
112 Drive motors (Forward)
120 Drive motors (Forward)
121 Drive motors (Forward)
121 Drive motors (Forward)
130 Drive motors (Forward)
131 Drive motors (Forward)
140 Drive motors (Forward)
141 Drive motors (Forward)
142 Drive motors (Forward)
143 Drive motors (Forward)
200 Drive motors (Backward)
201 Drive motors (Backward)
202 Drive motors (Backward)
210 Drive motors (Backward)
211 Drive motors (Backward)
212 Drive motors (Backward)
220 Drive motors (Backward)
Meaning
Right motor
current<100mA
Left motor
current<100mA
Right & Left motors
current<100mA
Right odometer
reading=0
Left odometer
reading=0
Right & Left odometer
reading=0
Right motor
PWM>95%
Left motor PWM>95%
Right & Left motors
PWM>95%
Right wheel PWM>Left
wheel PWM
Left wheel PWM>Right
wheel PWM
Right PWM<78 or >82
Left PWM<78 or >82
Right & Left PWM<78
or >82
Measured PWM
difference >2
Right motor
current<100mA
Left motor
current<100mA
Right & Left motors
current<100mA
Right odometer
reading=0
Left odometer
reading=0
Right & Left odometer
reading=0
Right motor
PWM>95%
Possible cause
Right motor is disconnected
Left motor is disconnected
Right & Left motors are disconnected
Right odometer is disconnected
Left odometer is disconnected
Right & Left odometers are disconnected
Right wheel friction is too high
Left wheel friction is too high
Right & Left wheels friction is too high
Right wheel friction>Left wheel friction, or
Right motor is slower than Left motor
Left wheel friction>Right wheel friction, or
Left motor is slower than Right motor
Test again
Test again
Test again
Test again
Right motor is disconnected
Left motor is disconnected
Right & Left motors are disconnected
Right odometer are disconnected
Left odometer are disconnected
Right & Left odometers are disconnected
Right wheel friction is too high
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