25
ENGLISH
PROBLEM
SOLUTION
The air does not come out
from the air outlet.
• Check whether air filter or heat exchange element is blocked by dust.
In case of dust accumulation, it may decrease the efficiency of the ventilator.
Clean the air filter and the heat eschange element frequently.
• Check whether the air intake or outlet is blocked by dust.
Remove all dust in the air intake.
Water drops from the
air intake.
• Check whether the ventilator is operated in By-Pass mode during heating.
When heating, make sure to operate the ventilator in Heat-EX mode.
Humidity operation
doesn’t work.
• Check whether the humidifier element is installed additionally for humidity operation.
• Check if the unit is in heat mode.
(Humidity operation works only when the unit is in heat mode.)
• The on/off operation status of humidity operation is not indicated.
RHF050KHEA_IB,IM_E_32885-3.indd 25
2011-10-12 오후 5:30:29