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SamsungSplit Air Conditioner

General Series

Common Samsung split AC error codes with causes and solutions.

Codes may vary depending on model

E101

Meaning

Indoor and outdoor units are not communicating properly.

Causes

Loose wiring
PCB fault

Solution

Reconnect wires
Replace PCB

E121

Meaning

Indoor temperature sensor malfunction.

Causes

Sensor fault

Solution

Replace sensor

General Series | RepairBook