E15
Amfa4000 EEPROM / Configuration Memory Fault

E15 error and the Amfa4000 reports memory or configuration corruption

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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

Corrupted settings in Amfa4000 controller, Power surge during write operation, Failing EEPROM on main PCB, Incorrect firmware version

How to Fix / Troubleshooting

Safety first: Disconnect power before opening the control housing. No water components need to be disturbed for this fault.

  • 1. Attempt a soft reset: Use the control panel to perform a soft reset or restore default settings if the menu allows. Re-enter all installation parameters.
  • 2. Power cycle: Remove power for at least 5 minutes, then restore and check if E15 clears.
  • 3. Factory reset: If available, perform a full factory reset following the Amfa4000 service instructions, then reprogram the unit.

If E15 persists after resets, the non-volatile memory on the control board is likely failing. Replace the Amfa4000 main control board with the correct revision.

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Repair Difficulty

Medium 3/5

Required Part

Amfa4000 Main Control Board
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