M.DF020-00 Manual 03/09/2021
28
TROUBLESHOOTING
If a condition listed below occurs, please check the following items before calling customer service.
Problem
Possible Cause
Solution
The unit doesn't operate
Has the power cord been
disconnected?
Plug the power cord into the
outlet.
Is the tank full indication
lamp blinking? (The tank is
full or in a wrong position.)
Empty the water in the
drainage tank and then
reposition the tank.
Is the temperature of the
room above 35
℃
or below
5
℃
?
The protection device is
activated and the unit
cannot be started.
The dehumidifying
function doesn't work
Is the air filter clogged?
Clean the air filter as
instructed under
"Cleaning the dehumidifier".
Is the intake duct or
discharge duct obstructed?
Remove the obstruction from
the discharge duct or intake
duct.
No air is discharged
Is the air filter clogged?
Clean the air filter as
instructed under
"Cleaning the dehumidifier".
Operation is noisy
Is the unit tilted or
unsteady?
Move the unit to a stable,
sturdy location.
Is the air filter clogged?
Clean the air filter as
instructed under
"Cleaning the dehumidifier".
NOTE FOR MAINTENANCE WORK
1.Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to
ensure that the risk of ignition is minimized repair to the refrigerating system, the following precautions
shall be complied with prior to conducting work on the system.
Work procedure
Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or
vapor being present while the work is being performed.
2.General work area
All maintenance staff and others working in the local area shall be instructed on the nature of work being
carried out. Work in confined spaces shall be avoided. The area around the workspace shall be sectioned
off. Ensure that the conditions within the area have been made safe by control of flammable material.