35
- reset button S1
9.3.4.
RESET procedure
Gently press and release the hidden button S1 through the small hole on the side of control panel
with thin screwdriver (safety-match, toothpick) twice, until all three color leds switch on. Then
immediately press and hold S1 button again for about 3 seconds, until all leds switch off.
Figure 26. Reset button
IMPORTANT!
If red failure indicator led starts flashing again after the Unit reset procedure has been
performed, contact manufacturer of the Unit or its local representative.
9.3.5.
Resetting the filter lifetime meter
Filter lifetime meter has to be reset after air filters have been replaced.
Gently press and release the hidden button through the small hole on the side of control panel S1
with thin screwdriver (safety-match, toothpick), making the yellow led switch on. Then immediately
press and hold S1 button again for about 3 seconds, until led fades away.
IMPORTANT!
Resetting the air handling unit (refer to section 9.3.4 "RESET procedure") does not reset
filter lifetime meter.