Error: #A3-3311 / Sensor Failure: #A3-3311. Turn Off Then On. Call For Service If The Problem Persists; Error: #A3-3312 / Sensor Failure: #A3-3312. Turn Off Then On. Call For Service If The Problem Persists; Not Proper Room Temp / The Room Temperature Is Not Suitable For This Set Use. Please Adjust Room Temperature - Samsung ProXpress M4030 Series Service Manual

4. Troubleshooting
► Error Code
A3–3311
A3–3312
A3–3320
► Error message

Error: #A3-3311 / Sensor Failure: #A3-3311. Turn off then on. Call for service if the problem persists

Error: #A3-3312 / Sensor Failure: #A3-3312. Turn off then on. Call for service if the problem persists

Not proper Room Temp / The room temperature is not suitable for this set use. Please adjust room temperature

► Symptom
Outer temperature sensor is defective.
► Troubleshooting method
1) Turn the machine off then on.
2) Check if the machine is installed in proper environment.
3) Check the harness connection between main board and temperature sensor. Reconnect the sensor harness.
4) If the problem persists, replace the main board.
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