Troubleshooting - Toshiba RAV-SM2244DTP-E Owner's Manual

▼ Maintenance List
Part Unit Check (visual / auditory)
Heat exchanger Indoor / outdoor Dust / dirt clogging, scratches
Fan motor Indoor / outdoor Sound
Filter Indoor Dust / dirt, breakage
• Vibration, balance
Fan Indoor
• Dust / dirt, appearance
Air intake /
Indoor / outdoor Dust / dirt, scratches
discharge grilles
Dust / dirt clogging, drain
Drain pan Indoor
contamination
• Rust, peeling of insulator
Exterior outdoor
• Peeling / lift of coat
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Maintenance
Wash the heat exchanger when it is
clogged.
Take appropriate measures when abnormal
sound is generated.
• Wash the filter with water when it is
contaminated.
• Replace it when it is damaged.
• Replace the fan when vibration or balance
is terrible.
• Brush or wash the fan when it is
contaminated.
Fix or replace them when they are deformed
or damaged.
Clean the drain pan and check the
downward slope for smooth drainage.
Apply repair coating.
8

Troubleshooting

Check the points described below before requesting repair.
Symptom
• White, misty, cold air or water comes out • The fan of the outdoor unit is automatically
• Sometimes the noise of air leaking is
Outdoor unit
heard.
• A noise is heard when the power is
turned on.
• Sometimes a swishing is heard.
Indoor unit
• A clacking sound is heard.
• Discharged air smells unusual.
• The unit does not run.
The room does not cool down.
If there is something unusual even after checking the above, stop running the unit, turn off the circuit breaker, and
inform the dealer where you purchased the product of the product number and symptom. Do not attempt to repair
the unit by yourself as doing so is dangerous. If the check indicator (e.g.
controller LCD, inform the dealer of its content as well.
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.
Cause
stopped and defrosting is performed.
• The solenoid valve works when defrosting starts
or stops.
• 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 flowing 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 flowing
or the dehumidifier draining.
• This is a sound generated when the heat
exchanger or other part expands and contracts
slightly due to temperature change.
• Various smells from the walls, carpet, clothes,
cigarette, cosmetics or other things adhere to the
air conditioner.
• Has a blackout occurred?
• Has the circuit breaker blown?
• Has the protective device been activated?
(The operation indicator and on the remote
controller are blinking.)
• Is the air intake or discharge of the outdoor unit
clogged?
• Is a door or window open?
• Is the air filter clogged with dust?
• Is the setup temperature appropriate?
, , ) is displayed on the remote
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