Toshiba RAS-10SA-E, RAS-10SKX Self-diagnosis with remote control, Selecting ordinary mode

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(2)Self-diagnosis with remote control

With the indoor unit control, self-diagnosis of pro- tective circuit action can be done by turning the remote control operation into service mode, oper- ating the remote control, observing the remote control indicators and checking whether TIMER lamp flashes (5 Hz).

Note :

To perform this self-diagnosis, the remote control with the service code of 43069666 is required.

<How to select remote control operation mode>

1)Selecting service mode

Push the switch button provided on rear bot- tom of the wireless remote control with a tip of pencil for more than 3 seconds. Make sure the setting temperature is displayed on the display and other display is turned off.

ACL CLOCK

(Rear bottom of remote control)

2)Selecting ordinary mode

Push the all clear button (ACL) on the rear bot- tom of the wireless remote control with a tip of pencil for more than 3 seconds. Make sure the operation mode display, wind volume dis- play, clock display and setting temperature dis- play are turned on and “ : ” of the clock display is flashing.

<Cautions when doing service>

1)After completion of servicing, always push the all clear (ACL) button to return the operation mode to the normal mode.

2)After completion of servicing by the check code, turn off the power once and then turn on the power to reset memorized contents of the microcomputer to the initial status.

All clear button

Switch for selecting service mode

ACL CLOCK

Rear bottom cover

Fig. 9-2-1

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Contents R C O Contents Primary Judgement of Trouble Sources Troubleshooting FlowchartsWhat to be Prechecked First RAS-10SK-E/10SA-E RAS-10SKX/10SAX Cooling SpecificationsCondition JIS C9612-1994 Temperature Cooling Indoor Unit Construction ViewsRAS-10SA-E RAS-10SAX Outdoor UnitMain P.C. Board Wiring DiagramParts name Type Specifications Specifications of Electrical PartsRAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAX Refrigerant Cycle DiagramAUTO, COOL, DRY, FAN only MICRO-COMPUTER Block DiagramM3/h Operation DescriptionsFAN only Operation Cool OperationLouver Control DRY OperationTemporary Auto Auto OperationCooling ECONO. ModeLow-Temperature Limit Control Cooling Operation Auto Restart Function How to Set the Auto RestartCase of Power Failure during the Timer Operation How to Cancel the Auto RestartSafety Cautions For general public use Installation ProcedureUK Plugs and Sockets etc Safety Regulations SI Number Attach Installation Diagram of Indoor and Outdoor UnitsOptional Parts InstallationInstallation Parts Mounting the installation plate Installation placeCutting a Hole and Mounting Installation Plate Remote controlElectrical Work When the installation plate is directly mounted on the wallTaking out the power cord Wiring ConnectionHow to remove the front cabinet How to open the screw capHow to install the front cabinet on the indoor unit Stripping length of connecting cableLeft-hand connection with piping Piping and Drain Hose InstallationCase of rightward piping Case of downward pipingDrainage Indoor Unit InstallationStrong wind Tightening connection Refrigerant Piping ConnectionVacuum Pumping FlaringA5 mm hexagon wrench is required Packed Valve Handling PrecautionsGas Leak Test Auto Restart SettingHow to set the Auto Restart OthersIncorrect Cable Connection between Indoor and Outdoor Units Troubleshooting ChartPower Supply Voltage What to be Prechecked FirstOperation of air-conditioner Description Misleading but Good Operations Program Controlled OperationBlock display Primary Judgement of Trouble SourcesRole of Indoor Unit Controller Selecting ordinary mode Self-diagnosis with remote controlOperating key Indication after operation Self-diagnosis by check codesCondition Code Status Preliminary checks Troubleshooting FlowchartsPower can not be Turned on No Operation at All Outdoor Unit does not Operate Power can not be Turned on after Replacing Indoor PC BoardChecking Procedure Only Compressor does not Operate Only Outdoor Fan does not Operate Only the Indoor Fan does not Operate Check procedureThere is no beep from Main PC board part How to Check the PC BoardOperating precautions Inspection proceduresProcedure Check Point Symptom Causes Top View Bottom View PC Board LayoutSensor How to Reduce the Operation Time of the Anti-Restart TimerIndoor Unit RAS-10SK-E, RAS-10SKX Part ReplacementPart name Procedure Remarks Microcomputer RAS-10SK-E, RAS-10SKX Outdoor Unit RAS-10SA-E, RAS-10SAX OFF Part Description Exploded Views and Parts ListIndoor Unit Capillary Tube