iRobot Roomba 570 Service Manual - Page 34

Roomba 500 Series Behavioral Issues - error 3

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Bumper +11-beeps +12-beeps no-bump Roomba's bumper is not registering obstacles after four straight runs of 6 meters cliff-sensors-failed Cliff sensor failure This might occur in a large room such as a gymnasium. Try using a virtual wall to contain Roomba. Go to "Cliff Issues" below *NOTE: Error code beeps will not always be accompanied by a voice message. Press bumper to access beep codes and use this whenever troubleshooting! Roomba 500 Series Behavioral Issues Cliff issues Customer observations Most common causes: Troubleshooting: ƒ "Inspect and clean Roomba's Cliff Sensors" ƒ "Uh-Oh" + 6 beeps (constant cliff) ƒ "Uh-Oh" + 12 beeps (cliff sensors failed) ƒ Roomba backs away from a carpet transition ƒ Roomba backs up for no apparent reason ƒ Roomba falls down stairs or stops at top of stairs ƒ Roomba was started on an uneven surface. ƒ Roomba encountered a step and its cliffs activated. ƒ Robot got stuck on a dark obstacle or high pile carpet that has obstructed its cliff sensors (6-beep error code). This is unavoidable in certain situations, so use virtual walls to confine Roomba to desired areas. ƒ Roomba's side brush has stalled and is obstructing an outer cliff sensor • CLIFF SENSOR Module inspection and cleaning (Appendix C). • Replace core robot if all fixes fail. Bumper issues Customer observations Troubleshooting: ƒ Roomba backs up for no apparent reason. ƒ "Uh-Oh" + 9 beeps (bumper stuck error) ƒ Robot drives too slow (light touch bumper always on) ƒ Robot contacts objects too hard (light touch bumper does not activate) ƒ The light touch bumper will not slow the robot down for all objects • Light touch bumper does no work for thin objects or dark objects • BUMPER Module inspection and cleaning (Appendix C). 34

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34
Bumper
+11-beeps
no-bump
Roomba’s bumper is not
registering obstacles after four
straight runs of 6 meters
This might occur in a
large room such as a
gymnasium. Try using a
virtual wall to contain
Roomba.
+12-beeps
cliff-sensors-failed
Cliff sensor failure
Go to “Cliff Issues”
below
*NOTE: Error code beeps will
not
always be accompanied by a voice message. Press bumper to
access beep codes and use this whenever troubleshooting!
Roomba 500 Series Behavioral Issues
Cliff issues
Customer observations
“Inspect and clean Roomba’s Cliff Sensors”
“Uh-Oh” + 6 beeps (constant cliff)
“Uh-Oh” + 12 beeps (cliff sensors failed)
Roomba backs away from a carpet transition
Roomba backs up for no apparent reason
Roomba falls down stairs or stops at top of stairs
Most common causes:
Roomba was started on an uneven surface.
Roomba encountered a step and its cliffs activated.
Robot got stuck on a dark obstacle or high pile carpet that has obstructed
its cliff sensors (6-beep error code). This is unavoidable in certain
situations, so use virtual walls to confine Roomba to desired areas.
Roomba’s side brush has stalled and is obstructing an outer cliff sensor
Troubleshooting:
•
CLIFF SENSOR Module inspection and cleaning (Appendix C).
•
Replace core robot if all fixes fail.
Bumper issues
Customer observations
Roomba backs up for no apparent reason.
“Uh-Oh” + 9 beeps (bumper stuck error)
Robot drives too slow (light touch bumper always on)
Robot contacts objects too hard (light touch bumper does not activate)
The light touch bumper will not slow the robot down for all objects
Troubleshooting:
•
Light touch bumper does no work for thin objects or dark objects
•
BUMPER Module inspection and cleaning (Appendix C).