Self-Test - ION ARA H2S-H Instrument User Manual

STEP 1
STEP 4
Sensor type icon will blink when a self-test is required. Press the button to perform the test.
When the self-test is successful, one short audible beep will sound, the unit will then turn to the original screen.
NOTES:
Self-test can be performed with the IR Link when the sensor icon isn't blinking after 1 hour from self-test.
The self-test interval reminder can be defined by the user from 8 to 168 hours (7 days) via the IR Link software.
The factory default setting is 20 hours.
STEP 2
After pressing the button, the unit will perform the following sequence:
The right and left side LEDs light up after emitting audible beep and vibration.
The unit will display the self-test reminder default setting is 20 hours. The period of self-test can be changed in
All LCD display icons appear.
the IR-Link software from 8 hours to 7 days.
STEP 3
LOW and HIGH alarm set points will be displayed.
When LOW and HIGH alarm set points are displayed, the unit will perform STEP 2 if you press the button.
Pioneering Gas Sensing Technology.
ARA Instrument User Manual V1.1
Page 10 of 27 ionscience.com