The pump works, but
it is not cool enough
Overheating protection
inside the motor
The dust filters are
clogged or dirty
The cooling pads are
clogged
The cooling pads are dry
or contain too little water
while the evaporative air
cooler is working.
Relative humidity too
high
177
Leave the unit switched
off until the fan motor is
cool enough to be used
as usual
Clean or replace dust
filter
Clean or replace the
cooling pads
Check the upper water
distribution tray to see
if there is a blockage.
Determine if the pump
is working properly.
When the evaporative
cooler is used for a
long period of time, the
room humidity is very
high, so the
evaporative cooler
cannot lower the
temperature as much
as when the humidity in
the room is lower. Turn
the cooling mode off