Troubleshooting - Toshiba RAV-SM182UTP-UL Owner's Manual

7

Troubleshooting

Check the points described below before requesting repair.
Symptom
• A noise is heard when the power is
Outdoor unit
turned on.
• Sometimes a swishing is heard.
• A clacking sound is heard.
Indoor unit
• Discharged air smells unusual.
• The fan continues running even after
the unit operation is stopped.
Operation • The air conditioner is not working or a
does not power failure has occurred.
start even if
• The power switch is not turned on.
the switch is
• The air conditioner is in the ON timer
turned on.
operation.
• The batteries of the remote controller
have been exhausted.
• The LEDs on the signal receiving unit
are not in normal state or operation
mode is not correct.
The room does not cool down.
If any of the following occur, stop running the unit immediately, turn off the circuit breaker, and contact the dealer
where you purchased the product.
• The switch does not work properly.
• The circuit breaker often blows out.
• You unintentionally put a foreign object or water inside.
• The unit cannot be run even after the cause of the protective device activation is removed.
• Other unusual conditions are found.
31-EN
OM_1115350256-1_EN_FR_ES.indb 16 OM_1115350256-1_EN_FR_ES.indb 16
Cause
• The outdoor unit is preparing for running.
• When the unit starts running, during operation,
or immediately after the unit stops running, a
sound such as water fl owing may be heard, or
the operation sound may become louder for a
couple of minutes immediately after the unit starts
running. This is the sound of the refrigerant fl owing
or the dehumidifi er draining.
• This is a sound generated when the heat
exchanger, etc. expands and contracts slightly due
to temperature change.
• Various smells from the walls, carpet, clothes,
cigarette, cosmetics, etc. adhere to the air
conditioner.
• The fan keeps running to self clean operation the
heat exchanger during drying.
• Push START/STOP (ON/OFF) button on the
remote controller again.
• Turn on the power switch if it is off.
• Cancel the timer operation.
• Replace the batteries.
• Change the operation mode.
• Is the air intake or discharge of the outdoor unit
clogged?
• Is a door or window open?
• Is the air fi lter clogged with dust?
• Is the air volume set to "Low"? or is the operation
mode set to "Fan"?
• Is the setup temperature appropriate?
■
Case with wireless remote controller
<Representative examples>
Contact the dealer from whom you purchased the air conditioner.
Phenomenon
These LEDs do not
light or blink even if -Power is not turned on.
the remote controller is -Incorrect connection between signal receiving unit and indoor unit
operated.
Communication error between signal receiving unit and indoor unit or
address setup error when the wired remote controller is used.
Communication error between indoor unit and outdoor unit.
The protective device of the indoor unit is activated.
The LEDs fl ash. The protective device of the outdoor unit is activated.
Temperature sensor of indoor unit is error.
The compressor of the outdoor unit is protected.
The air conditioner is performing a test run.
LEDs on the signal receiving unit : OFF :
LED colour : Green : Green : Orange
Check those items. If any of those problems remains, stop the operation and turn off the power. Contact the dealer
whom you purchased the air conditioner from. Convey the air conditioner model name, and details of the error
(including LED fl ashing state). Do not repair any unit by yourself as it is dangerous.
– 16 –
Possible cause
Blinking (at intervals of 0.5 seconds)
EN
TH
ID
32-EN
5/4/2565 BE 09:52 5/4/2565 BE 09:52