Troubleshooting - Carrier 42QHG009D8SSET Manuel D'installation

TROUBLESHOOTING

Troubleshooting Tips
Save time and money! Review the chart below first and you may not need to call for service.
Normal Operation
● You may hear a pinging noise caused by water being picked up and thrown against the
condenser on rainy days or when the humidity is high. This design feature helps remove
moisture and improve efficiency.
● You may hear the thermostat click when the compressor cycles on and off.
● Water will collect in the base pan during high humidity or on rainy days. The water may
overflow and drip from the outdoor side of the unit.
● The fan may continue to operate when the compressor has cycled off.
Abnormal Operation
Problem
■ The air conditioner is
■
Air
■
conditioner
does not start
■ Airflow is restricted.
■
Air ■
conditioner
does not cool
as it should
■
■ Cooling coils have iced
Air ■ Ice blocks the air flow and
conditioner
freezing up
Possible Causes
unplugged.
The fuse is blown/circuit
breaker is tripped.
Power failure.
The air filter is dirty.
The room may have been
hot.
Cold air is escaping.
up.
stops the air conditioner
from cooling the room.
What To Do
● Make sure the air conditioner plug is
pushed completely into the outlet and
switched on.
● Check the house fuse/circuit breaker box
and or reset the breaker.
● If power failure occurs, switch off and
disconnect/unplug the power cord. When
power is restored, reconnect (plug in) the
power cord, switch on the power and wait
3 minutes to restart the air conditioner
to prevent tripping of the compressor
overload.
● Make sure there are no curtains, blinds,
or furniture blocking the front of the air
conditioner.
● Clean the filter at least every 2 weeks.
See the operating instructions section.
● When the air conditioner is first turned
on you need to allow time for the room to
cool down.
● Check for open furnace floor registers and
cold air returns.
● Set the air conditioner's vent to the closed
position.
● See Air Conditioner Freezing Up below.
● Set the fan at MED or HIGH until the ice
melts.
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