55 
 e-ion Check Mode 
o  e-ion abnormality check mode 
o  Purpose is to improve sensor serviceability when sensor is malfunction.  
(1)  Control starting condition 
When all of the conditions are formed 
  Not in Patrol Demo mode. 
  e-ion operation ON.  
  When e-ion check mode signal is received; the procedure of selection is as shown: 
  Press “Set” button continuously for 15 seconds by using pointer to enter internal setting mode. 
  Press “Timer Decrement" button to select “CHC”.  
  Confirm setting by pressing “Timer Set” button, a “beep” sound will be heard. 
 
SET
SET
Transmit Patrol default OFF/ON code
(Buzzer: OFF:Long Beep, ON:Short Beep)
Press continously for 15s
SET
Transmit Patrol demo code
(Buzzer: OFF:Long Beep, ON:Short Beep)
SET
Transmit ECO demo code
(Buzzer: OFF:Long Beep, ON:Short Beep)
SET
Transmit check code
(Buzzer:Short Beep)
 
 
o  If abnormal discharge is detected at filter (short-circuited) due to water or dust adhesion, etc., the e-ion 
indicator blinks immediately.