Carrier Access 52C Air Conditioner User Manual


 
13
TROUBLESHOOTING
NOTES:
1. If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician.
2. If unit is installed where condensation drainage could drip in an undesirable location, an
accessory drain kit should be installed and connected to drain system.
POSSIBLE CAUSES SOLUTIONS
UNIT DOES NOT START
Unit may have become unplugged
Check that plug is securely in wall receptacle.
Fuse may have blown
Replace the fuse. See Note 1.
Circuit breaker may have been tripped
Reset circuit breaker. See Note 1.
Unit mode dial may be set to the OFF position
Switch mode dial to an operating mode.
UNIT NOT COOLING/HEATING ROOM
Unit air discharge section is blocked
Make sure that curtains, blinds or furniture are not restricting or
blocking unit airflow.
Temperature setting is not high or low enough
Reset to a lower or higher temperature setting.
Unit air filters are dirty
Remove and clean filters.
Room is excessively hot or cold when unit is started
Allow sufficient amount of time for unit to heat or cool the room.
Start heating or cooling early before outdoor temperature, cooking
heat or gatherings of people make room uncomfortable.
Vent door left open
Close vent door.
UNIT MAKING NOISES
Clicking, gurgling and whooshing noises are normal during operation of
unit.
WATER DRIPPING OUTSIDE
If a drain kit has not been installed, condensation run-off during
very hot and humid weather is normal. See Note 2. If a drain kit
has been installed and is connected to a drain system, check
gaskets and fittings around drain for leaks and plugs.
WATER DRIPPING INSIDE
Wall sleeve is not installed level
Wall sleeve must be installed level for proper drainage of condensation.
Check that installation is level and make any necessary adjustments.
ICE OR FROST FORMS ON INDOOR COIL
Low outdoor temperature
When outdoor temperature is approximately 55 F or below, frost
may form on the indoor coil when unit is in Cooling mode. Switch
unit to FAN operation until ice or frost melts.
Dirty filters
Remove and clean filters.