Samsung air conditioner E121: what it means and when to call a pro · Bosnia and Herzegovina
Severity: Stop nowSamsung air conditioner error E121. A temperature sensor circuit in the unit is reporting a fault.
Meaning
A temperature sensor circuit in the unit is reporting a fault.
Severity
Stop now
Stop. Switch it off and call a pro
Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off and call a pro.
Source
What to do in case of E121 Error, Samsung India Support
The repair: Air conditioner error code repair
Prices for repairs in Bosnia and Herzegovina are in BAM.
Other Samsung codes
- Samsung E154 A fan motor fault, meaning the fan motor is not running as it should, usually because something is blocking the fan, grille or outdoor unit, or because the motor itself has failed.
- Samsung HE The water is not heating properly (heater or temperature sensor).
- Samsung LE Leak protection has triggered (water where it should not be).
- Samsung UE The load is unbalanced, so the spin was stopped.
- Samsung 3E The motor is not running correctly, usually because the motor or its control or speed-sensing circuit has a fault.
Brands in our catalog for air conditioner: Daikin, LG, Samsung. The same code on another brand is not in the catalog yet, and we do not guess what it means.