Panasonic CW-C180EF-W Service Manual

Contents

Trouble Check Result Cause RemedyAir Swing won’t run. • Air Swing Switch.• Resistance betweenwires.• OFF position.• No contact atposition.• OHM Meter doesn’tdeflect.• Open circuit.• Shorted or open circuit.• Set it ON.• Replace Air Swing Switch.• Replace Air Swing Motor.Insufficient cooling. • Thermostat Setting.• Ventilation dooropen.• Air filter dirty.• Location ofinstallation.• Evaporator /Condenser Coilobstructed.• Unit capacity for theroom too small.• Temp differenceand running current.• Higher than roomtemp.• Open.• Clogged or dirty.• Sunlight hittingoutdoor side.• Obstacles.• Clogged or dirty.• Not satisfied.• REFER TOPERFORMANCEEVALUATION.• Reduces capacity.• Restricted air circulation.• Restricted Heat Exchanger.• Restricted Heat Exchanger.• Restricted air circulation.• Leakage of refrigerant orrefrigeration system isblocked.• Set it lower.• Close Vent. door.• Clean or replace Air Filter.• Consider building anAWNING.• Remove obstacles orreinstall unit.• Clean the coils.• Replace the unit withbigger one.• Locate repair leak.• Flush refrigeration cycle.Noise. • Source of Noise • Vibration.• Intermittent Noise.• Faulty installation.• Fan hitting objects.• Refrigerant tubing touchingeach other.• Reinstall unit or Reinforcethe installation.• Adjust Fan position orremove foreign materials.• About 1/2” Clearanceneeded.Water dripping insideroom.• Unit installation.• Drain Tray-Styrofoam piecesblocking drainchannel.• Tilted to inside room.• Clogged.• Restricted run off.• Clogged or blocked.• Tilt unit to outside slightly.• Remove the foreignmaterials.Frozen Evaporator • Thermostat setting.• Air filter /Evaporator.• Temp. differenceand running current.• Set too low forambient conditions.• Clogged or Dirty.• REFER TOPERFORMANCEEVALUATION.• Outdoor temp. low (Nighttime).• Restricted air circulation.• Leakage of refrigerant orrefrigeration system isblocked.• Set the Main Control Knobto Fan to melt ice and setthe Temp. Control to highertemperature.• Clean Air filter /Evaporator.• Locate and repair leak.• Flush refrigeration cycle.7CW-C180EF-W / CW-C240EF / CW-C180EF-M / CW-SC180EF