3. When it is operating, the compressor gives off heat when
it works, and ambient temperature may raise by 1-3，.
Such phenomenon is normal and is safe to use.
4. When ambient temperature is below 10， and absolute
humidity is relatively low, there is no need to use
dehumidifier.
5. The air inlet and outlet must be away from the wall for at
least 10cm in order not to impair the dehumidification effect.
6. Working environment shall be as airproof as possible to
maximize dehumidification effect.
7. Dust on the air purification filter mesh may impair its
effect or even cause failure. Please clear regularly
for at least once a month. If there is much dust in the
environment, it must be cleared once a week or once a
day. Pull down the front panel, clear the filter mesh. Tap
the filter mesh slightly or eliminate the dust by vacuum
cleaner or place the mesh in warm water (≤40， and add
appropriate neutral scour) and brush and then wash with
clear water and dry it. Direct sunlight or baking shall be
avoided to prevent deformation.
VII. COMMON TROUBLESHOOTING
Failure Cause analysis Method
Dehumidifier cannot work Power cut
• Power switch is not energized
• Power cord is not connected
* 1. Fuse is melted Recover the power
* 2. Energize the power
* 3. Connect the power cord
* 4. Replace the fuse
Dehumidification is not ideal Dust accumulated in air
purification filter mesh
• Object blocking air inlet and outlet
• The door or window is open
* 1.Refrigerant is leaking: Clear the filter mesh
* 2.Remove the blocking object
* 3.Close the door and window
* 4.Contact with distributor or manufacturer for repair
Water leak: The machine is inclined
• 1.Water pipe is blocked: Level the machine
• 2.Remove the blocking object
* The machine is not placed solidly
Abnormal noise
• 1. The machine is not placed solidly
• 2. The filter mesh is blocked
a. 1. Place the machine firmly.
b. 2. Clear the filter mesh.
* a) Where the above troubles cannot be fixed
and repair is needed, please contact supplier or
distributor. Do not disassemble without authorization.
* b) When the dehumidifier is in operation or stops,
voice of circulating of refrigerating can be heard.
Such phenomenon is normal.
* c) It is normal for the air outlet to drain hot air.
VIII. INSTRUCTION ON CODE OF FAILURE
This dehumidifier is able to automatically judge failure. If
there is any failure, there will be failure code displayed on the
humidity display window.
DX-7138D code of failure ，
Failure display Problem
E1 Temperature sensor failure
E2 Coil sensor failure
IX. TABLE OF PARAMETERS
Power supply 220V/50Hz
Nominal dehumidification amount
Rated input power
Water-proof grade
Weight (net weight)
Dimension
The above parameters are subject to change without serving
notice.
WARRANTY
Thank you for choosing our dehumidifier. It will bring you
great convenience on both work and life. If there is any failure,
please contact our repair department or after-sale service
center. We will offer you good consultancy and repair service.
Warranty for the product purchased is one year since the day
of purchase, for the compressor is three years. Any failure
occurred during this period can be repaired by local distributor
and repair station for free. There are authorized repair stations
in major cities in China for our dehumidifier.
According to national law, the followings are not covered by
warranty and will be charged with cost (charge standard:
repair fee + replacement of part)
1. Failure and damage caused by mal-operation of
customer not following the manual or instruction.
2. Damage caused by transportation or handling. Customer
replaces, disassembles and changes machine number
without authorization.
3. Damage caused by such natural disaster as lightning
strike, water disaster and fire.
4. Damage caused by use of power with abnormal voltage
ES
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