Panasonic CU-4E27CBPG Operating Instructions Manual

Also see for CS-E10HB4EA: Operating instructions Service manual Service manual Operating instructions Operating instructions

Contents

Panasonic CU-4E27CBPG Operating Instructions Manual Manual pdf 9 page image

9 ENGLISHTROUBLESHOOTINGTROUBLESHOOTINGSymptomSymptom CheckCheckHeating/Cooling operation 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.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 not obstructed.• Make sure the remote control signal transmission is within the range.• Certain fluorescent lights may interfere with signal transmitter. Pleaseconsult authorized dealer.SymptomSymptom CauseCauseMist 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 due to damp smell emitted by the wall, carpet, furniture orclothing.Indoor fan stops occasionally during automaticfan speed setting.• This helps to remove the surrounding odours.Operation is delayed a few minutes afterrestart.• 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 operation andthe indoor fan is stopped.• The unit is in defrost mode, and the melted frost is drained from theoutdoor unit.Indoor fan stops occasionally during heatingoperation.• To avoid unintended cooling effect.Power indicator blinks before the unit isswitched on.• This is a preliminary step in preparation for the operation when the ONtimer has been set.Cracking sound can be heard duringoperation.• Changes of temperature cause the expansion/contraction of the unit.The following symptoms do not indicate malfunction.The following symptoms do not indicate malfunction.Check the following before calling for servicing.Check the following before calling for servicing.The unit stops and the timer indicator blinks.The unit stops and the timer indicator blinks.Use remote control to retrieve error code.CANCELTIMERON1 2 3OFFCLOCK RESETSETCHECK1 Press for 5seconds.3 Press for 5seconds toquit checking.2 Press until you hearbeep sound, then jotdown the error code.Note:• For certain error, you mayrestart the unit with limitedoperation with 4 beeps duringoperation starts.4 Turn the unit off and reveal the error code to authorized dealer.

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