How to Replace a Fused Connection Unit
Quick Answer
Isolate power, remove the old unit, connect the new unit, and insert the correct fuse.
How to troubleshoot How to Replace a Fused Connection Unit
A fused connection unit protects fixed appliances. This guide covers replacing a fused connection unit.
Step-by-Step Fix
- Turn off power at the consumer unit and verify dead.
- Remove the fused connection unit cover.
- Note the wire connections: supply, load, and earth.
- Disconnect the wires and connect to the new unit.
- Insert the correct fuse (3A, 5A, or 13A).
- Restore power and test the appliance.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Appliance does not work | Blown fuse | Replace the fuse with the correct rating. |
| Unit gets hot | Overload | Check the appliance load. |
Frequently Asked Questions
What fuse rating should I use for a fused connection unit?
3A for lighting, 5A for heating, 13A for high-power appliances.
Can I replace a fused connection unit myself?
Yes, but isolate power and follow safety procedures.