Challenge MDN4-12DEN3-QA3 Instruction Manual page 6

Operation
1
Power on indicator light(green)
This indicator light remains on(green) when the unit is switched on and turns dark
when the unit is switched off.
2
Water full indicator light(red)
Glows when the bucket is ready to be emptied, or when the bucket is removed or
not replaced in the proper position.
3
Continuous operation on indicator light (green)
This indicator light illuminates when the continuous operation is on.
4
Power ON / OFF buttons
Press to turn the dehumidifier on and off. It illuminates(green) when the unit is
switched on and turns dark when the unit is switched off.
When Humidity/Temperature sensor malfunction occurs, it blinks at 5 times per
seconds.
5
Continue operation button
Press the button once to active the continuous operation mode. The relevant indicator
will illuminate. The unit will continue to running. Humidity set control function cannot be
used. Press the button again to cancel the function.
6
Humidity set control buttons
The humidity level can be set within a range of 35%RH(Relative Humidity) to
80%RH(Relative Humidity) in 5% increments.
The unit will continue to operate until the desire humidity level has reached.
7
Display
It will display the room humidity level. While any humidity control button has
been pressed, it will display the desire set humidity level. Then It will revert to
back to the room humidity level.
Note：
1. Do not use the machine when the temperature is
2. When the unit has been turned off, it cannot be turned on again within 3 minutes. This
is normal and it is to protect the compressor to avoid any damage.
3. This unit is fitted with an auto defrosting function. When frost builds up on the evaporator
coils, the compressor will cycle off and the fan will continue to run until the frost disappears.
4. While you have pressed the "Power ON / OFF buttons" to start the unit, it may have a
3 minutes delay start on the compressor. This is special design to protect the compressor
and it is normal.
over 35℃ or below 5℃.
6