
PART IV
TROUBLESHOOTING - UNIT RESET
E-47
ENGLISH
Step 3
Main circuit board
reset button
Press the button once to reset the
FILTER LIFE and hold 5 seconds
to reset UV LAMP.
Hold the POWER button 3 seconds
to reset CARBON FILTER, UV LAMP
or CLEAN CELL indicator light.
POWER reset button (from C model number units)
When you cannot reset the unit with remote control you can try to hold (Do not press) the POWER button 3 seconds to reset
CARBON FILTER, UV LAMP or CLEAN CELL indicator light.
Press the reset button once to
reset CARBON FILTER and hold
3-5 seconds to reset UV LAMP or
CLEAN CELL indicator light.
If the remote control, reset button or POWER button does not work to reset CARBON FILTER, UV LAMP or CLEAN CELL
indicator light, you will go to press or hold the reset button on the main circuit board. If it still does not work, check the remote
signal receiver circuit board, display circuit board wire or the main circuit board.
1. Open the bottom plate.
2. Plug in the power cord and
make sure the unit is powered on.
3. Press the reset button once to reset the CARBON FILTER (FILTER LIFE).
4. Hold 3-5 seconds to reset UV LAMP or CLEAN CELL indicator light.
To replace display circuit board
see IMPORTANT PART-MAIN
DISPLAY CIRCUIT BOARD on
page 19.