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79
Step One: Ground Detection Sensors
Right after Bob enters checkup mode and while Bob is on the floor, look at his screen.
You should see four lights indicating AUTO, TIME, SPOT, and UV lit on Bob’s display.
If all four lights do not turn on upon entering checkup mode, flip Bob over and wipe
his ground detection sensors with a clean cloth. Check again and see if all four lights
turn on. If the problem persists, Bob’s sensors may need to be replaced. In that case,
AUTO
SPOT UV
TIME
To test the ground detection sensors, lift Bob about 6 inches off the ground (more than
15 cm). You should see the four lights turn off.
If all four lights turn off while Bob is lifted, put Bob back on the floor and continue to
the next step without pressing any additional buttons.
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