Sierra Monitor Corporation IZS31 „ Alarm LED ・・・ Failure of the ionizer will be indicated

8.LED display

„POWER LED ・・・ The power supply input and the connection of the sensors are displayed.

LED name		Functions
POWER	MAIN	Lights up when the power supply is applied. (Green)
		(Flashes when wrong power supply is applied. ）
	SNSR	Lights up when the auto balance sensor is connected.(Green)

„ ION LED ・・・ The discharged ion polarity and ion balance are displayed.

LED name		Function
ION	＋	Lights on when plus ions are generated.(Orange)
	OK	［With auto balance sensor］Condition of the ion balance	（Green）
		［W/o auto balance sensor］ Goes out
	－	Lights on when minus ions are generated.(Blue)

・The ion balance state can be identified with the LED display.

Ion balance	OK LED
Below +/-30V	Lighet up.(or flashes)
+/-30V or more	Goes out

※LED [OK] flashes when the ion balance nears the limit of the adjustment of the ion balance and indicates that it is time for maintenance of the electrode needle.

„ALARM LED ・・・ Failure of the ionizer will be indicated.

LED name		Functions
ALARM	HV	Lights up when overcurrent is applied to the electrode
		needle.（Red）
	SNSR	Lights up when the auto balance sensor doesn’t work properly.（Red）
	NDL	Lights up when dirt on the electrode needle is detected. （Red）
	CHECK	（Flashes when the dirt is being detected. ）

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