E16
Attack
Main Control PCB Fault
Boiler displays E16; control panel may be unresponsive or show abnormal readings.
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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
Internal failure of Attack main PCB, Power surge or incorrect supply voltage, Moisture ingress on PCB, Loose multi‑pin connectors
How to Fix / Troubleshooting
Safety: Isolate power before touching any electronic components.
Steps:
- Check supply voltage: Ensure the boiler is supplied with the correct mains voltage as specified by Attack.
- Inspect PCB area: Look for signs of burning, swollen capacitors, or moisture on the PCB.
- Reseat connectors: Carefully unplug and replug the main harness connectors to the PCB to ensure good contact.
- Reset: Restore power and attempt a reset from the control panel.
Professional replacement: PCB replacement and configuration (e.g., gas type, power setting) must be done by an authorized Attack technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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