COMPLETE TROUBLESHOOTING GUIDE
STEP HANDLING AND TEST DESCRIPTIONS EXPECTED RESULTS
6
Turn the knob to set value to F11.
Click knob one last time.
The first 3 light
indicators will be off
and the display
indicates the CO
2
level
in the room. The
Output ON indicator
will turn ON.
7
COVER the day-night detector (Light
Sensor) with the palm of your hand or
some black electric tape. Using only one
finger will not cover the light sensor
appropriately and daylight will be
detected.
The Output ON light
indicator and the load
plugged into the outlet
will turn off after 6 to 8
seconds when the
night condition is
detected.
8
UNCOVER the light sensor and wait for 6
to 8 seconds.
The Output ON
indicator will turn ON
when day condition is
detected.
9
Blow softly into the air intake (lower
right corner of the module) through the
air filter.
The CO
2
concentration
will gradually increase
up to 5000 ppm and
above. The Output ON
indicator will turn off
and the screen will
show « OVER » and «
5000 » alternately.
COMPLETE TROUBLESHOOTING GUIDE
15
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