Panasonic WH-SXC09D3E5 Operating Instructions Manual

Also see for WH-SXC09D3E5: Design handbook Operating instructions Service manual Operating instructions

Contents

Panasonic WH-SXC09D3E5 Operating Instructions Manual Manual pdf 10 page image

10TROUBLESHOOTINGThe following symptoms do not indicate malfunction.The following symptoms do not indicate malfunction.SYMPTOMSYMPTOM CAUSECAUSEFlowing sound during operation. ► • Refrigerant flow inside the unit.Operation is delayed a few minutes after restart. ► • The delay is a protection to the unit’s compressor.Outdoor unit emits water/steam. ► • Condensation or evaporation occurs on pipes.Outdoor unit emits steam during heating mode. ► • This is due to defrost operation happens at the heatexchanger.Outdoor unit does not operate. ► • When the outdoor temperature is out of the operationcondition range, the heatpump system enter protectioncontrol.Air-to-Water Heatpump system operation will turn off. ► • If indoor unit water inlet temperature is lower than 20°C.Backup heater power will turn on to heat up the water.System difficult to heat-up. ► • When heating is operated by indoor unit together withfloor heating or panel heater simultaneously, theremay be case where warm water temperature is gettinglower and cause floor heating or panel heater heat-up isweaken.• When outdoor air temperature is low, it may be difficult toget warm.• Is the snow pile blocking the discharge outlet or intakeinlet of outdoor unit.• When water outlet set temperature is low, it may bedifficult to get warm.System cannot get warm instantly. ► • Due to the nature of the heatpump system, it may takesome time to heat-up the water if the unit is operatedfrom cold-start.Operation starts after power resumes. ► • Unit is operates under auto restart function.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.• Is the panel heater/cooler valve closed.• Clear any obstruction at the air inlet and air outlet ventsof outdoor unit.Noisy during operation. ► • Check if the unit has been installed at an incline or thecover is not closed properly.The unit does not work. ► • Check if the circuit breaker is tripped.Operation LED is no lit or control panel displayis blank.► • Is the power supply off or power failure.The operation LED blinks and error code appear on control panel display.The operation LED blinks and error code appear on control panel display.TIMERTIMER 1MON TUE WEDTHU FRI SAT SUN2 3 4 5 6ONOFF• Turn the unit off and reveal the error code to authorized dealer.• Timer operation cancel when error code occur.Force Heater Mode ButtonForce Heater Mode ButtonFORCE• In case of a failure of the Air-to-Water Heatpump system, the backup heater can be used to heatup the heating water. Press FORCEto switch on the backup heater.• Press OFF / ONto stop the force heater operation.• During Force Heater mode, all other operations are not allowed.