How to Reset a Tripped RCBO
Quick Answer
Switch the RCBO fully to OFF, then back to ON. If it trips again immediately, call an electrician.
How to troubleshoot How to Reset a Tripped RCBO
An RCBO trip can cut power to multiple circuits. This guide covers identifying the trip cause and safely resetting the device.
Step-by-Step Fix
- Turn off all appliances on the affected circuit.
- Locate the RCBO or MCB in the consumer unit.
- Push the tripped device fully to the OFF position.
- Wait 30 seconds, then push it firmly back to the ON position.
- If it trips again, turn off all appliances and try again.
- If it still trips, contact a qualified electrician immediately.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| RCBO trips instantly | Short circuit or earth fault | Unplug all appliances and reset. If still tripping, call an electrician. |
| RCBO trips after delay | Overload | Reduce load on the circuit and try again. |
Frequently Asked Questions
What is the difference between an RCBO and an MCB?
An MCB protects against overload and short circuit; an RCBO also protects against earth faults.
Can I reset an RCBO with wet hands?
No, ensure your hands are completely dry to avoid electric shock.