Troubleshooting - Sharp DW-D12A Operation Manual

TROUBLESHOOTING

Problem
●
Warm air will come out from the air outlet in the front during
The room becomes hot
dehumidifying operation. If the unit is used in an enclosed room,
the room temperature will rise.
●
The unit does not
The dehumidification level varies with the temperature and humidity
dehumidify
level of the room. When room temperature or humidity level is low,
the dehumidification level will be low in general.
Dehumidification
●
The compressor stops and only the fan rotates during auto dehumidi-
amount is low
fying operation when humidity level is lower than the set level, and the
(Water does not
unit will not dehumidify.
accumulate in the tank)
●
When the room temperature is below 5°C, the compressor stops and
only the fan rotates to prevent the water tank's water from freezing,
and the unit does not dehumidify.
●
When the room temperature is high, the protective device is activated,
the compressor stops and only the fan rotates, and the unit does not
dehumidify.
●
When the room temperature is 13°C or below, the unit will automatically
defrost, the compressor stops and only the fan rotates. Therefore,
water may be harder to collect.
●
Check to see if the air inlet cover is clean.
●
Check to see if the air outlet or air inlet is blocked.
The water leaks ●
Make sure you do not tilt, knock over or drop the main unit.
●
The air volume When the ambient temperature is above 32°C, the unit will automatically
increase the air volume with high fan speed to reduce the temperature
increases automatically
in the main unit even operating in operation mode with low fan speed.
●
When the ambient temperature is below 32°C, the unit will operate
according to the preset mode (where the transition phase is 30°C to
32°C).
When the currently ●
When the humidity setting button is not pressed during operation of
displayed humidity is
the unit, the dual digital display shows the ambient humidity value
abnormal
(30, 35, 40...85, 90) of the unit. LO is displayed when the humidity
value is lower than 30%RH; HI is displayed when the humidity value
is higher than 90%RH.
20
Please check the unit
one more time before
calling for services.
Solution
If it is dirty, clean the air inlet cover.
Remove whatever blocks the port.
Use the unit at a level and stable place, free of vibration.
Reference Problem
Page
Alert sound
Sound at the start of
operation/during
operation/when the
unit stops
The sound is too loud
8
8
10
The operation stops
The tank FULL indicator
light is blinking
Tank FULL indicator
Beep, beep...
When the digital display
shows other values
such as C0 and C3
Solution
●
When the power plug is inserted, the buzzer beeps three times. The
buzzer beeps once each time you press a button; the buzzer sounds
a long beep when you press the ON/OFF button to turn off the unit.
●
Whipping, howling sound...This is the sound of refrigerant (coolant)
circulation.
●
Buzzing sound...This is the operating sound of the compressor.
●
The unit will sound loudly for the first few seconds upon power-on
when the room temperature is too low. (This duration varies with the
temperature.)
●
Check to see if the dehumidifier is properly placed on the floor.
Check to see if the floor is flat.
Use the unit at a level and stable place, free of vibration.
●
Check to see if the air inlet cover is clogged.
Clean it.
●
Check the power plug.
If not inserted, insert the power plug into an outlet.
●
Check to see if there is a power outage.
If there is a power outage, wait until the power is resumed.
●
Check to see if the water tank is properly placed.
If not, place the water tank correctly.
●
Check to see if the water tank is full.
If the tank is full, drain the water.
●
When the ambient temperature is between 5°C and 35°C, the
indicator is still blinking. The unit may malfunction.
Please contact SHARP authorized service centre.
Reference
Page
11
8
16
14
14
21