Practical Solutions - Carrier ZC Series Owner's Manual

12. PRACTICAL SOLUTIONS

Before calling an Authorized Technical Assistance, see how to act in case the air conditioner presents any of the
failures below:
OCCURRENCE
The air conditioner
does not operate
The air conditioner does
not cool or does not
heat properly
Inside heat exchanger
is frozen
Water leaks to the
inside of the room
Compressor does not
start
Water noise in the
appliance
Message on the display
(electronic models)
E4
E5
FL
Remote control does not
operate
If the failure persists, and cannot be solved in accordance with the directions, turn off the appliance, and do not try to restart it. Request the
assistance of the nearest Authorized Service. For that, refer to the enclosed list of authorized offices.
24
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PROBABLE CAUSES
1. Circuit breaker off
2. Power supply cable disconnected from the electric current
3. Power failure
1. Dirty air filter
2. Obstruction in the air flow
3. Open room
4. Heat source in the room
5. Thermostat button improperly positioned
6. Unit improperly dimensioned for the room
7. Strong sunrays entering into the room
1. Insufficient air circulation
2. Dirty air filter
1. Obstructed drain
2. Incorrect installation.
3. Cabinet installed without the outward inclination
1. Voltage below the normal level (115V or 220V)
2. Unit turned off, and turned on immediately after
1. Excessive accumulation of condensation water
inside the appliance
1. Failure in the inside temperature sensor
2. Failure in the outside temperature sensor
3. Dirty filter
1. Batteries without charge
2. Damaged remote control
SOLUTIONS
1. Turn on the circuit breaker again
2. Connect the cable to the socket
3. Wait until the power supply is re-established
1. Clean the air filter
2. Remove the obstructions: curtains, couches, etc.
3. Close the doors and windows
4. Eliminate the heat source
5. Adjust the conditioner controls properly
6. Redefine the unit model choosing a proper one for
the room
7. Block the rays, but do not obstruct the air flow
1. Unobstruct the appliance front
2. Clean the air filter
1. Unobstruct the drain
2. Correct the installation, according to the instructions
of this Manual
3. Correct the inclination, as described in this Manual
1. Contact the power supply services in your region
2. Wait 3 minutes to turn on again
1. Use the Draining System through the bottom outlet
(using the drain pan)
1. Contact the Authorized Technical Assistance
2. Contact the Authorized Technical Assistance
3. Clean the filter, following the instructions on page 23
1. Replace the batteries
2. Use the electronic panel until the damaged control
is replaced