Samsung SL-M4580FX Service Manual page 167

► Error Code
A3–3312
A3–3320
► Error message
Sensor Failure: #A3-3312. Turn off then on. Call for service if the problem persists
The room temperature is not suitable for this set use. Please adjust room temperature
► Symptom
Outer temperature/humidity sensor is defective.
► Troubleshooting method
1) Enter SVC mode. Execute sensor test to check its operation.
(Diagnostics > Engine Diagnostics > Engine Test Routines > Outer Temperature)
2) Measure the resistance value of the connector at both ends.
If the value is not in 47.5KΩ ~ 52.5KΩ (@ 25 ℃), replace the outer temperature/humidity sensor(JC32-00005A).
3) If the harness and sensor are normal, replace the main board(JC92–02722A).
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4. Troubleshooting
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