What are the meanings of error tones and indicators?

"Review the following quick guide and identify the error tones and indicators on the Robot Vacuum Cleaner:

One beep, flash red light:

•      Problem: Roller brush stuck.

•      Solution: Turn off Sweeva and remove any hair or debris from the roller brush.

Two beeps, solid blue light:

•      Problem: Anti-drop sensors are dirty.

•      Solution: Clean the anti-drop sensors.

Two beeps, flash red light:

•      Problem: Side brush failure.

•      Solution: Turn off Sweeva's and remove any hair or debris from the side brushes.

Three beeps, flash red light:

•      Problem: Side wheel failure.

•      Solution: Turn off Sweeva and remove any hair or debris from the wheel.

Four beeps, solid blue light:

•      Problem: Forward collision bumper stuck.

•      Solution: After repairing the stuck forward collision bumper press the “start button” to restart the robot.

Five beeps, flash red light:

•      Problem: Suction failure.

•      Solutions: Turn off your Sweeva, then remove and empty the dust collector, or make sure the suction inlet is not blocked by any hair or debris.

Seven beeps, solid orange light:

•      Problem: Low battery warning.

•      Solution: Manually put the robot on the charging base. "