iRobot Roomba Discovery, Service Manual, Page: 2 / 87

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Table of Contents
Roomba Service Process _________________________________________________________ 5
01: Customer Call___________________________________________________________________ 6
02: Roomba Return Procedure ________________________________________________________ 7
03: Incoming Roomba Inspection ______________________________________________________ 7
04: Roomba Cleaning ________________________________________________________________ 8
05: Roomba Software & Charging Reset ________________________________________________ 8
06: Roomba Diagnostics: Built-in-Test (BiT) ____________________________________________ 9
07: Capture Built-in-Test Data ________________________________________________________ 9
08: Roomba Diagnostics: Mobility Test _________________________________________________ 9
09: Fix or Replace Roomba ___________________________________________________________ 9
10: Test Battery____________________________________________________________________ 10
11: Test Power Supply ______________________________________________________________ 10
12: Test Home Base (if applicable) ____________________________________________________ 10
13: Test Virtual Wall (if applicable) ___________________________________________________ 11
14: Test Remote (if applicable) _______________________________________________________ 11
15: Replace Faulty Accessories _______________________________________________________ 11
16: Pack & Record the Serial Numbers ________________________________________________ 11
17: Monthly Data Report to iRobot ___________________________________________________ 12
Roomba Vacuuming Robot ______________________________________________________ 13
Roomba Terminology_______________________________________________________________ 13
Roomba Chassis Disassembly Procedure _______________________________________________ 14
Roomba Electrical Inter-Relationships ________________________________________________ 15
Service Procedure (based on Built-in-Test Failures)______________________________________ 16
Failed BiT 0 - Panel LEDS _________________________________________________________________ 17
Failed BiT 1 – Bumpers ___________________________________________________________________ 18
Failed BiT 2 or 3 – Outer & Inner Cliff Sensors_________________________________________________ 19
Failed BiT 4 – Wheel Drop_________________________________________________________________ 20
Failed BiT 4 – Wall Sensor_________________________________________________________________ 21
Failed BiT 5 – RCON / IR Receiver __________________________________________________________ 22
Failed BiT 6 – Battery Sensor_______________________________________________________________ 22
Failed BiT 7, 8 or 9 – Drive Wheels & Encoders ________________________________________________ 23
Failed BiT 10 – Stasis (front wheel) __________________________________________________________ 25
Failed BiT 11 – Main Brush ________________________________________________________________ 26
Failed BiT 12 – Debris Sensor ______________________________________________________________ 27
Failed BiT 13 – Vacuum___________________________________________________________________ 28
Failed BiT 14 – Side Brush_________________________________________________________________ 29
Failed BiT 15-20 – Charging _______________________________________________________________ 30