Xiaomi CSJ0111DM - Troubleshooting; Common Error Codes

Code
Description
E1
Pipe temperature
sensor error
Communication error
between display and
motherboard
C3
E9
Humidity sensor
error
Solution
Disconnect the dehumidifier from the electrical outlet then reconnect it to
the electrical outlet. If the issue persists, please contact the aer-sales
department.
Turn the dehumidifier off for 5 minutes and then turn it on again. If the
error code appears multiple times, please contact the aer-sales department.
C2
Fan error
Issue
Cause and Solution
The dehumidifier cannot work.
The dehumidifier does not
work well.
The dehumidifier makes
unusual sounds when running.
The dehumidifier shakes
slightly.
The dehumidifier leaks water.
Troubleshooting
Common Error Codes
H2
Overload protection
H6
Fluoride deficiency
protection
Note: The error code will appear on the dehumidifier's display.
Check whether the dehumidifier's air inlet or air outlet is blocked.
Turn the dehumidifier on again, and if the error code appears multiple
times, please contact the aer-sales department.
Check whether the drainage hose has become loose.
Check whether the drainage system is blocked.
When the dehumidifier is turned on or off, it may shake slightly.
This is normal.
Check whether the dehumidifier is on a flat surface.
Check whether the filter is blocked.
Check whether the refrigerant makes sound when the compressor is
turned on.
The filter may have become clogged with dust.
The indoor temperature may be below 5°C or above 35°C.
Check whether the humidity is set appropriately.
Check whether the dehumidifier's air inlet or air outlet is blocked.
Check whether the windows and the doors are open.
Check whether there is a power failure.
Check whether the power plug has become loose.
Check whether the water tank is full or has been installed incorrectly.
Check whether the timer function is being used.
Turn the dehumidifier off for 5 minutes and then turn it on again. If the
error code appears multiple times, please contact the aer-sales department.
Turn the dehumidifier off for 5 minutes and then turn it on again. If the
error code appears multiple times, please contact the aer-sales department.
Turn the dehumidifier off for 5 minutes and then turn it on again. If the
error code appears multiple times, please contact the aer-sales department.
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