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High-Wall Type
Owner’s Manual
–38–
Toshiba
EN
Air flow changes though the FAN button is not set to the AUTO mode.
• When the temperature of blown air drops in heating operation, the air conditioner automatically changes
or stops air flow from the indoor unit not to make persons in the room feel chilly.
• Air flow from the indoor unit is occasionally changed in the cooling operation.
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.
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.
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
38-EN
+001111052101_00Ta.book Page 38 Friday, November 20, 2009 1:13 PM