E16
Eemax
Low Internal DC Supply / Control Power Fault
Display shows E16; unit may not power up fully or may reset intermittently.
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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
Failed low-voltage power supply on control board, Loose neutral or line connection, Internal short drawing down supply, Surge damage
How to Fix / Troubleshooting
Safety: Turn OFF power before removing the cover. Internal circuits include both high and low voltage.
Checks:
- Inspect the line voltage connections at the terminal block for tightness and signs of overheating.
- Check for any obvious shorts or burned components on the control board.
- If connections are sound and there is no external cause, the control board's low-voltage power supply is likely defective. Replace the main control board assembly.
- After replacement, restore power and verify stable operation without resets or E16.
Because this involves internal electronics, board replacement is the standard remedy.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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