Carrier 53 KLN 009 Owner's Manual
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Contents
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53 KLN 009/012 - 53 QNL 009/012GB - 19ENGLISHTroubleshootingTroubleUnit does not operate.Cooling is abnormally below.Heating is abnormally low(heat pump only).Unit stops during operation.Air cleaning does not operate.Check Points• Check that the power cord is plugged intothe wall outlet.• Has the circuit breaker tripped or the fuseblown?• Has there been a power failure?• If the “UNIT ON” lamp flasheson and off?• Is the voltage too low?• Is the filter blocked with dust?• Has the temperature beenset properly?• Are the windows and doors open?• Is anything obstructing the outdoor unit?• Is the fan speed too low?• Is the operation mode FAN or AUTO?• Is the filter blocked with dust?• Has the temperature beenset too low?• Are the windows or doors open?• Is anything obstructing the outdoor unit?• Has the OFF time operated?• Has the room temperature reached theset temperature?• On the indoor unit display, is the aircleaning lamp turned off and the checkinglamp turned on?Action• Insert the power cord into the wall outlet.• Reset the circuit breaker or replace thefuse with the specified replacement fuse.• Restart operation when poweris resumed.• Call your service representative.• Confirm the available voltage.• Clean the air filter.• Check and reset it if necessary.• Close the windows and doors.• Remove the obstruction.• Change the fan speedselection.• Change to cooling operation or resettemperaure.• Clean the air filter.• Check and reset it if necessary.• Close the windows and doors.• Remove the obstruction.• Switch OFF timer function.• Normal operation.• Press the RESET button.Air cleaning lamp is turned on after aminute.If not, call service representative.If the above actions do not correct the operation, consult the dealer from whom you bought the unit. |
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