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21
Maintenance
01.4IB.48080
Figure 21 Clean Window
a
b
a. Optical Receiver
b. Dust Sensor Window
2) Zeroing
a. Ensure dust sensor window and optical
receiver are clean and unobstructed, see
for locations.
b. Press the “ZERO” button for no more
than 4 seconds, longer than this will
reset the device to defaults. Refer to
Ch 6 Maintenance, C. Factory Reset,
for the recommended
tool for this operation.
c. The “HEALTH” LED will blink GREEN for
three seconds to indicate that the zero
level has been stored.
c. f
Actory
r
eSet
In certain circumstances it may be necessary to
restore the EcoVisor™ to the default settings.
This will return the Modbus settings to the
values shown below, as well as zeroing the dust
level.
Table G Factory Reset Defaults
Parameter
Default Value
Slave ID
1
Baud Rate
19200
1) Required Tools
A small screwdriver, preferably 2mm hex
drive, is required to push the zero/reset
button as it is recessed. Any tool which is
small enough to fit, that will not damage
the button is acceptable.
Figure 22 Precision Hex Screwdriver 2mm
