Troubles And Causes - Toshiba RAV-SM404SDT-E Owner's Manual

Slim Duct Type
Be careful with noise or vibrations
• Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air outlet
annoys your neighbors.
• Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating,
operation noise and vibration.
• If one indoor unit is operating, some sound may be audible from other indoor units that are not
operating.
Re-Installation
Ask the dealer or an installation professional to re-install the air conditioner to a new place or move it to
another place and to observe the following items.
If the air conditioner is inappropriately installed by yourself, it may cause electric shock or fire.
12

TROUBLES AND CAUSES

If any of the following conditions occur, turn off the main power supply switch and immediately contact the dealer :
• Switch operation does not work properly.
• The main power fuse often blows out, or the circuit breaker is often activated.
• A foreign matter or water fall inside the air conditioner.
• When the air conditioner does not operate even after the cause of the protective device activation has been
removed. (The operation lamp and
• Any other unusual conditions are observed.
Before you ask for servicing or repairs, check the following points.
▼ Recheck
Inoperative
• The main power switch is turned off.
• The circuit breaker is activated to cut off power supply.
• The main power fuse has blown out.
Does not cool well or heat well
• The air inlet and/or outlet of the outdoor unit is blocked.
• Doors or windows are opened.
• The fan speed is set to low.
• The air conditioner is set in the DRY mode in cooling.
• The set temperature is too high (In cooling) or low (In heating).
WARNING
CAUTION
on the remote controller are flashing.)
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Owner's Manual
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