Daikin VRVII Manual
Also see for VRV - WII: Service manualTechnical dataTechnical dataTechnical data
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Contents
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Symptom-based Troubleshooting121. Symptom-basedTroubleshootingSymptom Supposed Cause Countermeasure1 The system does not startoperation at all.Blowout offuse(s)Turn OFF the powersupply and thenreplace the fuse(s).Cutout ofbreaker(s)• If the knob of anybreaker is in itsOFF position,turn ON thepower supply.• If the knob of anycircuit breaker isin its trippedposition, do notturn ON thepower supply.Power failure After the powerfailure is reset,restart the system.2 The system starts operation butmakes an immediate stop.Blocked air inlet or outletof indoor or outdoor unitRemoveobstacle(s).Clogged airfilter(s)Clean the airfilter(s).3 The system does not cool orheat air well.Blocked air inlet or outletof indoor or outdoor unitRemoveobstacle(s).Clogged air filter(s) Clean the air filter(s).Enclosed outdoor unit(s) Remove the enclosure.Improper settemperatureSet the temperature toa proper degree.Airflow rate set to"LOW"Set it to a properairflow rate.Improper directionof air diffusionSet it to a properdirection.Open window(s) or door(s) Shut it tightly.[In cooling] Direct sunlightreceivedHang curtains orshades on windows.[In cooling] Too many personsstaying in a roomThe model mustbe selected tomatch the airconditioning load.[In cooling] Too many heat sources(e.g. OA equipment)located in a roomONOFFKnobTrippedCircuit breaker |
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