Toshiba RAV-SP240UT-UL, RAV-SP420UT-UL Protective device, When the protective device is activated

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4-way Air Discharge Cassette Type

Owner’s Manual

A white mist of chilled air or water is generated from the outdoor unit.

• When the indoor unit in cooling operation or the outdoor unit in defrosting operation occasionally steams.

Protective device

The protective device stops operation when the air conditioner is overloaded.

When the protective device is activated, the current operation stops and the operation lamp and on the remote control flash.

When the protective device is activated

When the protective device has been activated and stopped operation, turn off the circuit breaker immediately, and ask the installer to find the cause.

If the air conditioner is operated without fixing the problem, the air conditioner may malfunction.

Check whether the air filters are installed.

If the air filters are not installed, the air coil may be clogged with dust, which may result in water leakage.

Cooling

When the air inlet and/or outlet of the outdoor unit are blocked

When the air outlet of the outdoor unit is continuously exposed to strong wind

Heating

When the air filters are clogged with too much dust or dirt

When the suction port and/or discharge port of the indoor unit are blocked

Do not turn off the circuit breaker

Do not turn off the circuit breaker during a test run of the air conditioner. Use the ON/OFF button on the air conditioner instead to control the power.

Contact a qualified dealer or contractor if the system is not operating properly or any of the following occurs:

On board safety control stops the system. When this happens the operation lamp and on the remote control are flashing.

When a diagnostic code is displayed on the wired remote control. Make a note of the error code and inform the dealer or cotractor.

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Contents AIR Conditioner Split Type Contents Precautions for Safety Way Air Discharge Cassette Type System Characteristics Checks before operating Select a comfortable set point and minimize adjusting itEnergy Saving Recommendations „ Outdoor unit Part Names„ Indoor unit Part sold separatelyWired Remote Control „ Display sectionPre-heat display Self cleaning displayPower saving mode display No function displayButton Remote control sensor„ Operation section Operation lampStart Correct Usage„ Preparation StopWhen restarting the operation after stop Auto ChangeoverCancel of timer operation Timer Operation„ Timer operation SetLouver Direction For cooling For heatingHeat operation Display when stopping the swingSet louver direction COOL/DRY operationOperation Select a louver you want to adjust by„ Set louver direction individually Pushing right side of the buttonTo stop self cleaning, push button twice in succession Power Saving ModeSelf Cleaning Mode Push button during operationAdvanced Settings „ Swing modePush button to lock the louver Push button to complete the setting„ Louver lock No swing Push Time buttons to adjust the power-save setting „ Cancel louver lock„ Change power saving mode setting Push left side of button to select an indoor unit to be setBe sure to clean the heat exchanger with pressurized water MaintenancePeriodic Maintenance Replacing antibacterial glassCleaning The Louvers Cleaning the air filterCleaning Unit Grille and Frame Preparing for long Shut Down PeriodElectrical wiring Information for InstallationInstallation place Do not install the air conditioner in the following placesBe careful with noise or vibrations MaintenanceRe-Installation Indoor unit or outdoor unit makes a strange noise Trouble ShootingFan does not stop when the operation is stopped RecheckDo not turn off the circuit breaker When the protective device is activatedProtective device Memo EH99933501