| Air conditioner will not operate | • Wall plug disconnected. | • Push plug firmly into wall outlet. |
| • House fuse blown or circuit breaker tripped. | • Replace fuse with time delay type or reset circuit breaker. |
| • Unit turned off and then on too quickly. | • Wait 3 minutes before restarting. |
| • Adjust thermostat to lower temperature. | • Adjust thermostat to lower temperature. |
| Air from unit does not feel cold enough | • Unit in Fan mode. | • Set Mode to Cool. |
| • Temperature set too high. | • Set thermostat to lower temperature. |
| • Room temperature below 70°F. | • Cooling may not occur until room temperature rises above 70°F. |
| Air conditioner cooling, but room is too warm — ice forming on cooling coil behind decorative front | • Outdoor temperature below 70°F. | • To defrost the coil, set mode to Fan. Then, set thermostat to warmer temperature. |
| • Dirty air filter — air restricted. | • Clean filter. See "Cleaning the Air Filter section. To defrost, set mode to Fan. |
| Air conditioner cooling, but room is too warm — no ice forming on cooling coil behind decorative front | • Dirty air filter — air restricted. | • Clean air filter Refer to "Cleaning Air Filter" section. |
| • Thermostat set too warm. | • Set thermostat to colder temperature. |
| Noise when unit is cooling | • Air movement sound. | • The sound of rushing air is normal. If too loud, Fan Speed to Low setting. |
| • Sound of fan hitting water-moisture removal system. | • This is normal when humidity is high. Close doors, windows and registers. |
| • Window vibration — poor installation. | • Refer to installation instructions — check with installer. |
| Water dripping inside when unit is cooling | • Improper installation. | • Tilt air conditioner slightly to the outside to allow water drainage. Refer to installation instructions — check with installer. |
| Water dripping outside when unit is cooling | • Unit removing large quantity of moisture from humid room. | • This is normal during excessively humid days. |