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Before Calling For Service
_
' WARNING
reduce the risk of electric shock, personal
injury, or death, turn the fan control to the off
osition
and remove
the unit plug from
the wall outlet
before doing any inspection
or
aintenance
work.
The following is a list of problems that are sometimes encountered when using a room air conditioner.
Possible cause and
suggested remedies are given for each problem.
If the problem cannot be fixed using the suggested remedies, see WHEN SERVICE IS REQUIRED section.
PROBLEM
POSSIBLE
CAUSE
SUGGESTED
REMEDY
UNIT WILL NOT RUN
No power to the unit.
Set Fan Contro_ to position
other than OFF.
Make sure plug is firmly held in outlet.
Check for blown fuses or tripped circuit breakers.
Call for service.
LITTLE OR NO COOLING
NOISY UNIT
Obstructed
indoor or outdoor air flow.
Dirty air filters.
Unit undersized
for application.
Temperature
Control
not properly set.
Loose front of mounting
assembly.
Weak building construction.
Water hitting the fan blade.
Unit oversized
for application.
(Compressor
cycles on and off frequently.)
MOUNTING
SUPPORT
Storm window frame has been installed
into window.
NOT INSTALLED
FROST ON INDOOR
COIL
Dirty air filter.
Normal for low outdoor temperatures.
Remove
obstruction
from indoor grille or outdoor
louvers.
Clean the air filter.
See Section V for details.
Check with dealer to determine
proper capacity
unit for your
application.
For cooling turn Temperature
Control to higher number.
Call for service.
Tighten any loose parts.
Provide additional
support for the unit.
Normal in high humidity.
Stop noise by removing
drain plug or
adding a condensate
drain.
Check with dealer to determine
proper capacity unit for
application.
Some models require the storm window frame to be removed
before installation.
Clean the air filter.
See Section V for details.
Turning the Temperature
Control to a lower number will reduce
occurrence
and duration
of frosting
condition.
Oversized
unit.
Check with dealer to determine
proper capacity unit for
application.
ODORS IN COOLING
Mold, mildew, or algae formation
on wet surfaces.
To reduce growth use algacide tablet in the unit base pan or
remove drain plug or add a condensate
drain. Have your unit
thoroughly
cleaned.
See Section V.
18
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