Troubleshooting HDC275
30
Unusual noises
Fault Possible cause Remedy
Loud humming A component of the refrigerant circuit
cannot move freely (touching the
wall)
Bend the component
carefully away from the
obstruction
There is a foreign object stuck
between the cooling unit and the wall
Remove the foreign
object
Fan noise (if installed) –
HDC275-IO-West.book Seite 30 Dienstag, 14. März 2017 8:41 20
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