Error code
9E1
Meaning
Your dryer is getting the wrong voltage from the outlet
Critical
What to do
Why this happens
Abnormal voltage may result from issues with the power supply, a faulty PCB voltage sensing circuit, or damage to the wire harness connecting them.
How to fix it
Make sure the power cord is firmly plugged in and the breaker is on. If the error persists, you may have a wiring issue — have an electrician check the outlet.
SourceSamsung service manual