Trouble
Check
Result
Cause
Remedy
Air Swing won’t run.
•
Air Swing Switch.
•
Resistance between
wires.
•
OFF position.
•
No contact at
position.
•
OHM Meter doesn’t
deflect.
•
Open circuit.
•
Shorted or open circuit.
•
Set it ON.
•
Replace Air Swing Switch.
•
Replace Air Swing Motor.
Insufficient cooling.
•
Thermostat Setting.
•
Ventilation door
open.
•
Air filter dirty.
•
Location of
installation.
•
Evaporator /
Condenser Coil
obstructed.
•
Unit capacity for the
room too small.
•
Temp difference
and running current.
•
Higher than room
temp.
•
Open.
•
Clogged or dirty.
•
Sunlight hitting
outdoor side.
•
Obstacles.
•
Clogged or dirty.
•
Not satisfied.
•
REFER TO
PERFORMANCE
EVALUATION.
•
Reduces capacity.
•
Restricted air circulation.
•
Restricted Heat Exchanger.
•
Restricted Heat Exchanger.
•
Restricted air circulation.
•
Leakage of refrigerant or
refrigeration system is
blocked.
•
Set it lower.
•
Close Vent. door.
•
Clean or replace Air Filter.
•
Consider building an
AWNING.
•
Remove obstacles or
reinstall unit.
•
Clean the coils.
•
Replace the unit with
bigger one.
•
Locate repair leak.
•
Flush refrigeration cycle.
Noise.
•
Source of Noise
•
Vibration.
•
Intermittent Noise.
•
Faulty installation.
•
Fan hitting objects.
•
Refrigerant tubing touching
each other.
•
Reinstall unit or Reinforce
the installation.
•
Adjust Fan position or
remove foreign materials.
•
About 1/2” Clearance
needed.
Water dripping inside
room.
•
Unit installation.
•
Drain Tray-
Styrofoam pieces
blocking drain
channel.
•
Tilted to inside room.
•
Clogged.
•
Restricted run off.
•
Clogged or blocked.
•
Tilt unit to outside slightly.
•
Remove the foreign
materials.
Frozen Evaporator
•
Thermostat setting.
•
Air filter /
Evaporator.
•
Temp. difference
and running current.
•
Set too low for
ambient conditions.
•
Clogged or Dirty.
•
REFER TO
PERFORMANCE
EVALUATION.
•
Outdoor temp. low (Night
time).
•
Restricted air circulation.
•
Leakage of refrigerant or
refrigeration system is
blocked.
•
Set the Main Control Knob
to Fan to melt ice and set
the Temp. Control to higher
temperature.
•
Clean Air filter /
Evaporator.
•
Locate and repair leak.
•
Flush refrigeration cycle.
7
CW-C180EF-W / CW-C240EF / CW-C180EF-M / CW-SC180EF
