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CDP 75/125/165 - Dantherm Air Handling AS

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9<strong>75</strong>672 • Version 3.4 • 13.02.2012<br />

Fault finding guide<br />

Important! If the dehumidifier is not functioning correctly, shut it down immediately!<br />

Fault finding Use this table to localize and solve a possible problem or fault:<br />

Fault Solution<br />

� The dehumidifier does not<br />

work<br />

� No light in the LEDs on the<br />

display<br />

� The dehumidifier does not<br />

work<br />

� The triangle lights up constantly<br />

in red<br />

� The compressor does not<br />

work<br />

� The lighting on the display<br />

is light up in green<br />

� Check the external fuses<br />

� Check the power supply to the unit<br />

� Reset pressostat and thermal relay<br />

If the dehumidifier does not work after several resettings<br />

of HP pressostat and thermal relay:<br />

� Check that the room temperature is between 20<br />

and 38°C<br />

� Check that the fan is running<br />

� Check that the inlet and outlet air duct are free<br />

from obstruction and whether the filter is clean<br />

� Check the room or duct hygrostat by setting it to<br />

a low relative humidity (10-20%)<br />

If the unit still does not start, check the room or duct<br />

hygrostat for defects.<br />

More help If you cannot find the reason for the fault, switch off the unit immediately in order to prevent<br />

further damage. Contact a service technician or a <strong>Dantherm</strong> <strong>Air</strong> <strong>Handling</strong> representative.<br />

37

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