Panasonic CS-E7NKDW Operating Instructions Manual

Also see for CS-E12NKDW: Service manual

Contents

Panasonic CS-E7NKDW Operating Instructions Manual Manual pdf 10 page image

10TROUBLESHOOTINGThe unit stops and the TIMER indicator blinks.Use remote control to retrieve error code.TIMERSETCANCELONOFF1 2 3SET CHECK CLOCK RESETAC RC1 Press for 5seconds.3 Press for 5seconds toquit checking.2 Press until you hearbeep sound, thenwrite down the errorcode.Note:• For certain errors, youmay restart the unit forlimited operation with 4beeps when operationstarts.4 Turn the unit off and reveal the error code to authorized dealer.The following symptoms do not indicate malfunction.The following symptoms do not indicate malfunction.SYMPTOMSYMPTOM CAUSECAUSEMist emerges from indoor unit. ► • Condensation effect due to cooling process.Water fl owing sound during operation. ► • Refrigerant fl ow inside the unit.The room has a peculiar odor. ► • This may be due to damp smell emitted by the wall,carpet, furniture or clothing.Indoor fan stops occasionally during automatic fan speedsetting.► • This helps to remove the surrounding odours.Airfl ow 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 no warmair supply (and louver is closed).► • The unit is in defrost mode (and AIR SWING is set toAUTO).Indoor fan stops occasionally during heating operation. ► • To avoid unintended cooling effect.POWER Indicator blinks before the unit is switched on. ► • This is preliminary step in preparation for the operationwhen the ON timer has been set.Cracking sound during operation. ► • Changes of temperature caused the expansion/contraction of the unit.Check the following before calling for servicing.Check the following before calling for servicing.SYMPTOMSYMPTOM CHECKCHECKHeating/Cooling operation is not working efficiently. ► • 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 the remotecontrol.► • Make sure the receiver is not obstructed.• Certain fluorescent lights may interfere with signaltransmitter. Please consult authorized dealer.

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