Panasonic CS-Z20VKEW Operating Instructions Manual

Also see for CS-MZ16VKE: Service manual Operating instructions Operating instructions

Contents

Panasonic CS-Z20VKEW Operating Instructions Manual Manual pdf 32 page image

32TroubleshootingThe following symptoms do not indicate malfunction.Symptom CausePOWER indicator blinks before the unit isswitched on. • This is a preliminary step in preparation for theoperation when the ON timer has been set.When ON Timer is set, the unit may start earlier (upto 35 minutes) before the actual set time in order toachieve the desired temperature on time.POWER indicator blinks during HEAT modewith no warm air supply (and flap is closed). • The unit is in defrost mode (and AIR SWING is set toAUTO).POWER indicator blinks and stops whenoperate COOL/DRY mode. • The system has locked to operate in HEAT mode only.TIMER indicator is always on. • The timer setting repeats daily once set.Operation is delayed a few minutes afterrestarting. • The delay is a protection to the unit’s compressor.Cooling/heating capacity reduced during thelowest fan speed setting. • The low fan speed is low noise priority operation, socooling/heating capacity may be reduced (dependingon the condition). Increase the Fan Speed to increasethe capacity.Indoor fan stops occasionally during heatingoperation. • To avoid unintended cooling effect.Indoor fan stops occasionally during automaticfan speed setting. • This helps to remove the surrounding odour.Airflow continues even after operation hasstopped. • Extraction of remaining heat from the indoor unit(maximum 30 seconds).The room has a peculiar odour. • This may be due to damp smell emitted by the wall,carpet, furniture or clothing.Cracking sound during operation. • Changes of temperature caused the expansion/contraction of the unit.Water flowing sound during operation. • Refrigerant flow inside the unit.Mist emerges from indoor unit. • Condensation effect due to cooling process.Outdoor unit emits water/steam. • Condensation or evaporation occurs on pipes.Discoloration of some plastic parts. • Discoloration is subject to material types used in plasticparts, accelerated when exposed to heat, sun light, UVlight or environmental factor.Wireless LAN LED stays ON during unit turnOFF. • Unit’s LAN connection with the router is activated.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 outletvents.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 signaltransmitter. Please consult authorised dealer.