This article contains the following sections:
- System failure error list for RC, TC, MC models
- System failure error list for RS, TS, MS models
| Failure Number |
Failure Reason | Description |
| E501 | Wire signal off reading is higher than wire signal on reading | |
| E502 | wire reading indicates calibration failed because either the signal off amplitude readings or the signal on amplitude readings exceed their tolerance | |
| E503 | wire reading indicates calibration failed because we detect that robot is not inside the garden during the calibration with signal on | |
| E504 | wire reading indicates calibration failed because we detect that in/out readings are invalid | |
| E505 | Front wheel dropoff lifted reading is equal or smaller than Front wheel dropoff idle reading | |
| E506 | Difference between Front wheel dropoff lifted reading and Front wheel dropoff idle reading is too small. | |
| E507 | front wheel odometer reading is not in tolerance | |
| E509 | Bad battery voltage calibration | battery temperature reading indicates that the supplied cells voltages of the calibration setup are not valid |
| E510 | Bad battery voltage calibration | battery cells voltage readings exceed the tolerance |
| E511 | battery cells connector is disconnected | |
| E512 | Mow configuration invalid | |
| E513 | Mow thermistor disconnected | |
| E515 | Mow motor is disconnected | Motor disconnection is detected when mow pwm is maximal and mow odometer is showing motor is not moving. We will stop when this state is detected for more than 15 seconds. |
| E516 | Drive configuration label is not set | |
| E517 | Drive motor is disconnected | Motor disconnection is detected when drive pwm is maximal and drive odometer is showing motor is not moving. We will stop when this state is detected for more than 15 seconds. |
| E518 | tilt calibration failed | |
| E519 | tilt calibration failed because accelerometer readings are not in tolerance | |
| E520 | system configuration is invalid | |
| E521 | STOP button is disconnected in UI panel connector | |
| E522 | Drive configuration is invalid | one of the following: 1) left or right drive configuration is unknown 2) left and right drive configurations are different |
| E523 | Safety Standard power up test failed |
| Failure Number |
Failure Reason | Description |
| 201 | Wire signal off reading is higher than wire signal on reading | |
| 202 | wire reading indicates calibration failed because either the signal off amplitude readings or the signal on amplitude readings exceed their tolerance | |
| 203 | wire reading indicates calibration failed because we detect that robot is not inside the garden during the calibration with signal on | |
| 204 | wire reading indicates calibration failed because we detect that in/out readings are invalid | |
| 205 | Front wheel dropoff lifted reading is equal or smaller than Front wheel dropoff idle reading | |
| 206 | Difference between Front wheel dropoff lifted reading and Front wheel dropoff idle reading is too small. | |
| 207 | bumper calibration results are not reasonable | |
| 208 | bumper reading range is too small | |
| 209 | Bad battery voltage calibration | battery temperature reading indicates that the supplied cells voltages of the calibration setup are not valid |
| 210 | Bad battery voltage calibration | battery cells voltage readings exceed the tolerance |
| 211 | battery cells connector is disconnected | |
| 212 | Mow configuration invalid | |
| 213 | Mow left thermistor disconnected | |
| 214 | Mow right thermistor disconnected | |
| 215 | left mow motor is disconnected | Motor disconnection is detected when mow pwm is maximal and mow odometer is showing motor is not moving. We will stop when this state is detected for more than 15 seconds. |
| 216 | Drive configuration label is not set | |
| 217 | left drive motor is disconnected | Motor disconnection is detected when drive pwm is maximal and drive odometer is showing motor is not moving. We will stop when this state is detected for more than 15 seconds. |
| 218 | tilt calibration failed | |
| 219 | tilt calibration failed because accelerometer readings are not in tolerance | |
| 220 | system configuration is invalid | |
| 221 | front wheel odometer reading is not in tolerance | |
| 222 | right drive motor is disconnected | |
| 223 | right mow motor is disconnected | |
| 224 | safety standard power up test failed | |
| 225 | accelerometer configuration failed | |
| 226 | wire reading indicates calibration failed because the difference between wire max signal threshold and wire amplitude set point is too big | |
| 227 | wire reading indicates calibration failed because the wire no signal gain is too small |
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