Samsung DMR57 Training Manual page 46

Circulation Pump Error Code
"t2" is displayed if there is a circulation
pump error. This can be a low water
condition or a problem with the pump.
Verify the drive signal is reaching the pump
prior to replacing the circulation pump.
"t2" is displayed if there is a circulation pump error. This can be a low water
condition or a problem with the pump. Verify the drive signal is reaching the pump
prior to replacing the circulation pump. The wash motor should read 16.5 ohms
normally.
46