DEVOLA DV12L, Instruction Manual, Page: 21 / 24

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7.TROUBLE SHOOTING
1.
OPERATION TEMPERATURE
5°C ≤ Ambient Temp. ≤ 35°C
When the ambient temp is lower 5 °C or higher than 35°C, the dehumidifier
will stop operation.
When 5°C ≤ Ambient temp. ≤ 18°C, the machine will automatically defrost ;
during defrosting, the compressor will stop working and the fan keep running.
2. BEFORE CALLING FOR SERVICE
Before contacting professional service, please review the trouble shooting list
that includes common occurrences that are not the result of a defect in
workmanship or materials.
Problem Possible Cause Solution
The machine
doesn't work
Has the power cord been
disconnected?
Plug the power cord correctly.
Is the room humidity lower than the
setting humidity data ?
Normal condition ,the machine will
not work until the room humidity is
higher than setting humidity data
Is the compressor under 3 minutes
delay start protection status ?
Normal condition , wait for 3 minutes
until the compressor finish its delay
start protection
Is the water tank full indication light
is on (red color)? (The water tank is
full or not at the right position.)
Empty the water tank and then
reposition to the machine body at
right position
The machine
doesn’t
dehumidify
Is the air filter clogged? Clean the air filter
Is the air inlet or air outlet
obstructed?
Remove the obstruction from the air
inlet or air outlet
No air is
discharged
from air outlet
Is the air filter clogged? Clean the air filter
The machine
is noisy when
working
Is the unit placed oblique or
unsteady?
Move the unit to a stable, sturdy
location.
Is the air filter clogged? Clean the air filter
The screen
show “E2”
Humidity and temperature sensor is
damaged or affected with damp
Replace the sensor
the screen
show “LO”
Room humidity is < 20%RH
Normal condition , it indicates the
humidity is lower than 20%RH
the screen
show “HI”
Room humidity is > 90%RH
Normal condition ,it indicates the
humidity is higher than 90%RH
the screen
show “CL”
Low temperature protection when
room temperature is
＜
5
℃
Normal condition ,it indicates the
temperature is lower than 5
℃
the screen
show “CH”
High temperature protection when
room temperature is
＞
35
℃
Normal condition ,it indicates the
temperature is higher than 35
℃