Knowledge base
Samsung fault codes
EHS • ClimateHub
Samsung EHS and ClimateHub fault-code hub. E101 (indoor/outdoor communication) and E554 (Smart Install refrigerant leak detection) with wiring checks, leak search procedures and AskMarcel-sourced guidance.
E554 • WindFree / EHS
Fault code E554 Samsung: Refrigerant leak (Smart Install)
The E554 code often appears during commissioning (Smart Install) or in operation if a significant leak has occurred. The system detects an inconsistency between compressor power and the temperature achieved.
E101 • WindFree / EHS / DVM
Fault Code E101 Samsung: Communication Fault (Indoor/Outdoor)
Code E101 (sometimes displayed as E1-01) is one of the most common. It indicates that the indoor unit has not received a response from the outdoor unit for more than 2 minutes. This is a serial link fault.
E154 • Mural / Cassette
Fault code E154 Samsung: Indoor fan motor
Fault code E154 indicates that the indoor fan speed is not detected (no tachometer feedback).