OXUS
RAK-U06M / RAK-U04M
16
3. Check the display window indicator status
: Once the product is running normally, the following screen is displayed in the display window
after 20 sec.
• For five min after the product is running, [WARM] is displayed in the oxygen purity indicator.
• A zirconia sensor was employed to the oxygen sensor and it has a warm time according to the
sensor working principle.
The operating switch located in the center of the control panel is turned to the [OFF] to stop the
product.
: Once the operating switch is turned off, the product operating lamp is turned off.
Turning off the operating switch
Date and
time
Total
runtime
Filter working time
Time to next regular
inspection
Company
logo
Oxygen pu-
rity indicator
Note