iRobot robot vacuum Charging Error 4 / 5 error
Charging Error 4 / 5 is identified by iRobot support as the dock or robot has a no-current or low-current charging fault. Follow the model-scoped external checks and service boundary below.
The dock or robot has a no-current or low-current charging fault
Follow the exact model manual. Unplug the dock for 60 seconds, secure the power connections, clean the robot and dock charging contacts, then reinstall an authentic battery if the error remains. Do not open fixed panels or test live circuits.
Typical symptoms
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
Safe next steps
- 1Unplug the dock for 60 seconds, secure the power connections, clean the robot and dock charging contacts, then reinstall an authentic battery if the error remains.
- 2Do not infer or order an internal component from the code alone.
Step-by-step diagnosis
- 1Record the complete Charging Error 4 / 5 message and the full iRobot robot vacuum model
- 2Confirm that the displayed code matches the official source entry
- 3Complete only the external checks described by the manufacturer
- 4Run one controlled test and stop if Charging Error 4 / 5 returns
Step-by-step repair
- 1Unplug the dock for 60 seconds, secure the power connections, clean the robot and dock charging contacts, then reinstall an authentic battery if the error remains.
- 2Do not infer or order an internal component from the code alone.
Repair details
The published checks normally need no part. A confirmed battery or dock repair is model-specific; obtain an iRobot-compatible quote before purchase.
About 10–20 minutes for the published contact, dock, temperature, or battery checks; replacement time depends on the exact model.
Soft dry cloth for charging contacts, Exact-model battery instructions, No electrical test tool
Use only an authentic iRobot battery if the official diagnosis confirms replacement; Charging Error 4 / 5 alone does not identify a battery part.
What not to do
- Do not use sharp tools, force covers or contacts, or repeat tests if Charging Error 4 / 5 returns.
Preventive maintenance
- 1Keep the robot and dock contacts clean and dry, use the official battery for the model, and retain the exact-model support instructions.
Frequently asked questions
What does Charging Error 4 / 5 mean?
iRobot describes it as the dock or robot has a no-current or low-current charging fault.
Can I replace a part from the code alone?
No. Confirm the exact model and manufacturer diagnosis first.
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