Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

Also see for FBQ100B7V3B: Service manual Service manual Service manual Operation manual Operation manual

Contents

Daikin SkyAir RZQ200 · 250C7Y1B Service Manual Manual pdf 94 page image

SiBE26-701 Troubleshooting Based on Equipment ConditionTroubleshooting 832. Troubleshooting Based on Equipment Condition2.1 Troubleshooting Based on Equipment ConditionEquipment Condition Remedy1 Equipment does not operate. See 842 Fan operates, but compressor does not. See 853 Cooling/heating operation starts but stopsimmediately. See 874 After equipment shuts down, it cannot berestarted for a while.See 895 Equipment operates but does not providecooling. See 906 Equipment operates but does not provideheating.See 927 Equipment discharges white mist. See 938 Equipment produces loud noise or shakes. See 949 Equipment discharges dust. See 9510 Remote controller LCD displays “88.” See 9611 Swing flap does not operate. See 9712 Equipment emits odor. Room smell and cigarette odorsaccumulated inside the indoor unit aredischarged with air. Inside of the indoor unitmust be cleaned.13 Flap operates when power is turned on. It is normal. The flap initializes for accuratepositioning.14 Change of operation mode causes flap tomove. It is normal. There is a control function thatmoves the flap when operation mode ischanged.15 Fan operates in “M” mode during heatingeven if remote controller is set to “Low.” It is normal. It is caused by the activation ofthe overload control (airflow shift control).16 Flap automatically moves during cooling. It is normal. It is caused by the activation ofthe dew prevention function or ceilingsoiling prevention function.17 Indoor unit fan operates in “L” mode for 1minute in microcomputer-controlled drymode even if compressor is not operating.It is normal. The monitoring functionforcibly operates the fan for one minute.18 In simultaneous ON/OFF multi-systemsetup, indoor unit (sub) does not operate insync with the other indoor unit (main).(Flat, fan, etc.)It is normal. It is caused by a signaltransmission lag.19 Indoor unit fan operates after heatingoperation stops. It is normal. The fan operates in the “LL”mode for 60 to 100 seconds to dissipate theresidual heat in the heater.20 Drain pump operates when equipment isnot operating. It is normal. The drain pump continues tooperate for several minutes afterequipment is turned off.21 Horizontal wing sends air to differentdirections in cooling and heating even if it isset to the same position.It is normal. The airflow direction in cooling/dry operation is different from that inheating/fan operation.22 Flap remains horizontal even if it is set toSwing.It is normal. The flap does not swing in thethermostat OFF mode.23 The group control remote controller isincapable of setting to remote controllerthermostat.It is normal. Remote controller thermostatsetting is unavailable during group control.24 During operation with a remote controllerthermostat, the thermostat turns OFF evenbefore the remote controller temperaturereaches the setting.It is normal. In some cases, it is controlledby preset temperature and suctiontemperature (body thermostat).25 When a malfunction occurs in a unitequipped with individual remote controllersduring one remote controller group control,individual remote controller addressdisplay shows 0 regardless of actualaddress setting.It is normal. The address display ofindividual remote controllers is always 0.