20 [EN]
12. TROUBLESHOOTING
Trouble
Cause
Solution
Unit does not operate
No power to the unit
Plug in the unit; check power at outlet
On/Off button not turned ON
Turn the unit on
Humidity below the set point
Adjust the target if necessary
Doesn’t dehumidify or collects little
water
Ambient temperature is low
As temperatures drops then dehumidification
will drop as well. This is unavoidable.
Ambient temperature e36°C
This is above the working range of the
dehumidifier.
The ambient air humidity is lower than 40%rh
Under this condition the dehumidifier becomes
inefficient and little water will be collected. This
is normal for a compressor dehumidifier.
The air filter is dirty and blocked
The air filter must be exchanged
The ambient is below the relative humidity set point
This is normal and is not a fault.
Compressor is not on
The dehumidifier has just turned on
Wait 3 minutes for the compressor to start up.
Unit is in defrost mode, defrost symbol appears on the
display,
This is normal and is not a fault.
The fan is not running
Relative humidity is below the set point
This is normal and is not a fault. This can be
changed, see the control panel section of the
manual.
The room temperature is lower than +10ºC
Assure that the device is only set up in rooms
with temperatures above +10°C.
If not the above.
Contact a Meaco approved workshop.
Unit does not defrost
Conditions are below +10°C
Move the dehumidifier to a warmer space.
Defective bypass relay valve
Contact a Meaco approved workshop.
Codes P1 to P8 &/or E0 appear
(excluding P3)
Turn off for one hour & then restart
If the unit still does not work then contact
Meaco.
P3 only
Condenser coil temperature too high
Run the fan for 30 minutes, if it continues then
disconnect power for one hour and try again.
Buttons do not work
Child lock is activated
Hold the On/Off button for 5 seconds.
Summary of Contents for MeacoWall 53B
Page 19: ...19 EN Performance Curves...