York Y7UEC12-6R, Installation & Operation Manual

Page: 7 / 16

7
Troubleshooting
Occurrence Possible Cause Solutions
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.
• Power switch in OFF position. ✔ Turn power switch to ON position.
• Unit accidentally turned off by moving the ✔ Wait approximately 3 minutes.
thermostat to a higher temperature and then Listen for the compressor to start.
immediately turned back to a colder position.
• Unit turned off and then on too quickly. ✔ If air conditioner is turned off,
wait 3 minutes before restarting.
• Thermostat set too low for cooling. ✔ Adjust thermostat to higher setting for cooling.
Air from unit does not
• Selector in FAN position. ✔ Set selector to COOL position.
feel cold enough
• Thermostat set too warm. ✔ Set thermostat to colder temperature.
• Room temperature below 70°F. ✔ Cooling may not occur until room
temperature rises above 70°F.
Air conditioner cooling, • Outdoor temperature below 70°F.
✔
To defrost the coil, set selector to FAN position.
but room is too warm — Then, set thermostat to warmer position.
ice forming on cooling coil • Dirty air filter — air restricted.
✔
Clean filter. See “Cleaning the Air Filter” section.
behind decorative front To defrost, set selector to FAN.
• Thermostat set too cold for nighttime cooling.
✔
To defrost the coil, set selector to FAN position.
Then, set thermostat to a normal position.
Air conditioner cooling, • Dirty air filter — air restricted.
✔
Clean air filter.
but room too warm —
Refer to “Cleaning Air Filter” section.
NO ice forming on cooling coil • Thermostat set too warm.
✔
Set thermostat to colder setting.
behind decorative front
• Fan selector set on LOW. ✔ Set fan speed selector to HIGH
for maximum cooling.
Noise when unit is cooling • Air movement sound.
✔
The sound of rushing air is normal. If too loud,
turn selector to lower fan setting.
• Sound of fan hitting water-moisture
✔
This is normal when humidity is high.
removal system. Close doors, windows and registers.
• Window vibration — poor installation.
✔
Refer to installation instructions —
check with installer.
Water dripping inside • Improper installation.
✔
Tilt air conditioner slightly to the outside to
when unit is cooling allow water drainage. Refer to installation
instructions — check with installer.
Water dripping outside • Unit removing large quantity of moisture
✔
This is normal during excessively humid days.
when unit is cooling from humid room.
Air Conditioner Remote Control
AAA
IEC R03 1.5V
+
-
AAA
IEC R03
1.5V
The functions work the same as your air conditioner’s touch controls.
Batteries: Remove the cover on the back of the remote controller and insert the batteries with the (+) and (-) poles pointing
in the proper direction.
"
!
CAUTION
• Use only AAA or IEC R03 1.5V batteries.
• Remove the batteries if the remote controller is not used for a
month or longer.
• Do not attempt to recharge the supplied batteries
• All batteries should be replaced at the same time.
• Do not dispose of the batteries in a fire as they may explode.
• Do not mix old and new batteries.
• Do not mix alkaline, standard (carbon - zinc), or rechargeable
(nickle-cadmium) batteries.
• Keep batteries and other objects that could be swallowed away
from young children.
Contact a doctor immediately if an object is swallowed.