E18
Ocean
Wi‑Fi / Communication Module Fault
E18 displayed and freezer does not respond to Wi‑Fi or smart functions (on connected models)
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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 Wi‑Fi module, Loose communication cable, Firmware corruption on main control board, Router compatibility issues
How to Fix / Troubleshooting
Safety first: Unplug the freezer before accessing electronic modules.
Steps:
- Power cycle the freezer and your Wi‑Fi router.
- Attempt to reconnect the freezer to the network following the Ocean user manual.
- If E18 persists, remove the control cover and locate the Wi‑Fi or communication module (often a small daughter board attached to the main control).
- Reseat the module and its connectors.
- If available, update firmware via the Ocean app or service procedure.
- If the module remains non-functional, replace the Wi‑Fi/communication module or the main control board assembly, depending on design.
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Repair Difficulty
Medium
3/5
Required Part
Wi‑Fi / Communication Module
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