Beretta
No Power / Dead Boiler
Boiler will not start at all, no lights or display, appears completely dead.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Blown fuse in fused spur, Tripped circuit breaker, Faulty main on/off switch on boiler, Failed main PCB power supply section
How to Fix / Troubleshooting
Safety: Only work on electrical components if you are competent. Otherwise, call an electrician or heating engineer.
- Check mains supply: Verify that other electrical appliances on the same circuit work. Reset any tripped breakers.
- Inspect fused spur: Replace the 3A or 5A fuse in the boiler's fused connection unit with the correct type if blown.
- Check boiler switch: Ensure the Beretta boiler's main power switch is in the ON position.
- Technician – internal fuses: Check any internal fuses on the PCB and replace only with identical ratings.
- PCB replacement: If power is present but the boiler remains dead, the main PCB may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Main Control PCB
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