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Home > Service & Support > Troubleshooting > Instantaneous Water Heaters-Display shows fault code
Question: Instantaneous Water Heaters-Display shows fault code
Answer:

F7: Communication failure Disconnect:power and contact after-sales service

EC: Inlet temperature sensor malfunction:Disconnect power and contact after-sales service

EH: Outlet temperature sensor malfunction:Disconnect power and contact after-sales service

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