Panasonic CU-QZ9SKE Operating Instructions Manual

Also see for CS-NZ12SKE: Service manual

Contents

Panasonic CU-QZ9SKE Operating Instructions Manual Manual pdf 12 page image

12The following symptoms do not indicate malfunction.Symptom CauseMist emerges from indoor unit. • Condensation effect due to cooling process.Water flowing sound during operation. • Refrigerant flow inside the unit.The room has a peculiar odour. • This may be due to damp smell emitted by the wall, carpet,furniture or clothing.Indoor fan stops occasionally during automatic fanspeed setting.• This helps to remove the surrounding odour.Airflow continues even after operation has stopped. • Extraction of remaining heat from the indoor unit(maximum 30 seconds).Operation is delayed a few minutes after restarting. • The delay is a protection to the unit’s compressor.Outdoor unit emits water/steam. • Condensation or evaporation occurs on pipes.TIMER indicator is always on. • The timer setting repeats daily once set.POWER indicator blinks during HEAT mode with nowarm air supply (and flap is closed).• The unit is in defrost mode (and AIR SWING is set to AUTO).Indoor fan stops occasionally during heatingoperation.• To avoid unintended cooling effect.POWER indicator blinks before the unit is switchedon.• This is a preliminary step in preparation for the operationwhen the ON timer has been set.Cracking sound during operation. • Changes of temperature caused the expansion/contractionof the unit.Splashing sound during operation. • Generating the nanoe on the unit.Dusts accumulated on the wall. • Due to air circulation or static electricity generated by theair conditioner. Some types of wall paper may collect dustseasily (recommended to clean the area around the airconditioner frequently).During COOL/DRY mode, the indoor unit stops andPOWER indicator blinks.• The system has locked to operate in HEAT model only.Discoloration of some plastic parts. • Discoloration is subject to material types used in plastic parts,accelerated when exposed to heat, sun light, UV light, orenvironmental factor.Check the following before calling for servicing.Symptom CheckOperation in HEAT/COOL mode is not workingefficiently.• Set the temperature correctly.• Close all doors and windows.• Clean or replace the filters.• Clear any obstruction at the air inlet and air outlet vents.Noisy during operation. • Check if the unit has been installed at an incline.• Close the front panel properly.Remote control does not work.(Display is dim or transmission signal is weak.)• Insert the batteries correctly.• Replace weak batteries.The unit does not work. • Check if the circuit breaker is tripped.• Check if timers have been set.The unit does not receive the signal from theremote control.• Make sure the receiver is not obstructed.• Certain fluorescent lights may interfere with signal transmitter.Please consult authorised dealer.TroubleshootingNON SERVICEABLE CRITERIASTURN OFF POWER SUPPLY ANDUNPLUG then please consult authoriseddealer under the following conditions:• Abnormal noise during operation.• Water/foreign particles have entered theremote control.• Water leaks from Indoor unit.• Circuit breaker switches off frequently.• Power cord becomes unnaturally warm.• Switches or buttons are not functioningproperly.The unit stops and the TIMER indicator blinks.Use remote control to retrieve error code.ONOFFTIMERCANCELSETONOFFTIMERCANCELSETPress for5 secondsPress for5 secondsto quitcheckingPress until youhear beep sound,then write downthe error codeTurn the unit offand reveal theerror code toauthorised dealer2341• For certain errors, you may restart the unit for limitedoperation with 4 beeps when operation starts.00_ACXF55-03350_YZ0616-1.indb 1200_ACXF55-03350_YZ0616-1.indb 12 6/28/2016 11:04:03 AM6/28/2016 11:04:03 AM