No air flows out of
the unit while the
machine is in
operation
The pump works,
but it is not cool
enough
Damaged engine
Incorrect motor connection
or unstable motor
connection
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.
184
Repair / Replace the
motor
With another of the same
model
Determine whether the
motor is OK with
connections or not
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.