40• Indicator- When patrol is selected, patrol sensor indicator ON.• Remote Control Receiving Sound• Timer Control- When ON timer activates when unit stops, previous operation resumes and restored last saved Patrol operation status.- When ON timer activates during any operation, no change and carry on current operation.- When OFF timer activates during any operation, all operation stops and the latest Patrol operation status is saved.• Power Failure Control- During Patrol individual operation, if power failure occurs, after power resumes, Patrol individual operation resumesimmediately.- During combination operation, if power failure occurs, after power resumes combination operation resume immediately.12.9. e-ion OperationA. PurposeThis operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters.B. Control Conditiona. e-ion operation start condition• During unit running at any operation mode, if “e-ion” operation is selected, combination operation (operation mode + e-ionoperation) starts.• During unit is OFF, if “e-ion” operation is selected, e-ion individual operation starts.b. e-ion operation stop condition• When “OFF/ON” button is pressed to stop the operation.• When “PATROL/e-ion” button is pressed.• When OFF Timer activates.c. e-ion operation pause condition• When indoor fan stop (during deice, odor cut control, thermostat off, etc.). e-ion operation resume after indoor fan restarts.• When indoor intake temperature 40°C. e-ion operation resume after indoor intake temperature < 40°C continuously for 30minutes.C. Control Contenta. Indoor fan control• During any operation mode combines with e-ion operation, fan speed follows respective operation mode.• During e-ion individual operation - only Auto Fan Speed and no Powerful operation is allowed. Even if Fan Speed button ispressed, no signal is sent to air conditioner, and no change on LCD display.NO Description BLUE E-ION1 When patrol is selected function is not selected OFF -2 During gas sensor error detection control OFF OFF3 During stop OFF OFF4 2 minutes gas sensor initial stabilization time (Level 0) ON OFF5 During operationDuring patrola. Dirtiness level 0* ON OFFb. Dirtiness level 1 ON OFFc. Dirtiness level 1* ON ONd. Dirtiness level 2 ON ON• Normal Operation• Patrol Mode• Patrol Mode• Stop→→→→Patrol ModeStopNormal OperationPatrol::::BeepLong BeepBeepBeep