Troubleshooting - Toshiba Carrier MCY-MAP0367HS-UL Manuel Du Propriétaire

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2) Pull out the filter rack, and set the air filter
(field supplied) in it.
Air filter
(field supplied)
Filter rack
3) Push the filter rack in fully and reattach the
cover plate. (Screws x 2)
Air filter
(field supplied)
3
Turn on the circuit breaker, then push the
button on the remote control to start
the operation.
4
After cleaning, push
.
display disappears.
CAUTION
• Do not start the air conditioner while the air filter is
removed.
• Push the filter reset button. (
indication will turn off.)
◆ Floor Console Exposed type
1
Push down the upper part of the return air
grille slightly, and then pull it toward you to
remove it.
33-EN
2
Remove the air filter inside the return air
grille.
3
Vacuum dust or brush clean.
• If heavily stained, it is more effective to wash in
lukewarm water mixed with neutral detergent.
• After washing, rinse it well, and dry it in the
shade.
• Reinstall the cleaned air filter.
◆ Floor Console Recessed type
1
Push down air filter hook on the front panel
(lower side).
2
Pull the air filter toward you to remove it.
Front panel
(Lower)
Air filter knob
3
Vacuum dust or brush clean.
• If heavily stained, it is more effective to wash in
lukewarm water mixed with neutral detergent.
• After washing, rinse it well, and dry it in the
shade.
• Reinstall the cleaned air filter.
– 17 –
12

Troubleshooting

Check the symptoms and causes in the following table before seeking professional repair service.
Symptom
• White misty cold air or water
is out.
Outdoor unit
• Sometimes, air noise or a
leak is heard.
• "Swish" sound is heard
sometimes.
• Slight clacking sound is
heard.
• Discharge air smells.
• "
" indication is lit.
Indoor unit
• "
" indication is lit.
• "
" indication is lit.
• Sound or cool air emits
from the stand by indoor
unit.
• When the air conditioner power is turned
on, a "Ticktock" sound is heard.
• LCD blurs when it is touched.
• The indoor unit's fan and louvers move
when the unit is not operated.
Operates or stops automatically.
Does not operate.
Air is not cooled or warmed sufficiently.
Cause
• The outdoor unit's fan stops automatically and performs the defrost
operation.
• The solenoid valve works when the defrost operation starts or finishes.
• When the operation starts, during the operation, or immediately after the
operation has stops, a water flow sound may be heard, and the operation
sound may become louder for 2 or 3 minutes immediately after the
operation has started.
This is the flowing sound of refrigerant or draining sound of dehumidifier.
• This is sound generated when the heat exchanger, etc. expands and
contracts slightly due to temperature change.
• Various smells like carpet, clothes, cigarette, or cosmetics that adhere to
the air conditioner.
• When the cooling operation cannot be performed because another indoor
unit is performing a heating operation.
• Is the outdoor temperature out of operation temperature range?
• When the manager of the air conditioner has locked the operation to
COOL or HEAT, and an operation contrary to the setup operation is
performed.
• When stopping the fan to prevent cool air blow at starting heating.
• Refrigerant flows temporarily to prevent oil or refrigerant from remaining in
the stand by the indoor unit, sound of flowing refrigerant, or white steam
when the other indoor unit operates in HEAT mode, and cold air in the
COOL mode may be blow-out.
• Sound is generated when the expansion valve operates when the power
has been turned on.
• LCD may temporarily blur due to static electricity.
• Intermittent operation of the fan with louvers open is sometimes carried out
for the refrigerant recovery control of an unoperated unit.
• Is the timer "ON" or "OFF"?
• Is it a power failure?
• Is the power switch turned off?
• Is the power fuse or breaker blown?
• Has the protective device operated? (The operation lamp goes on.)
• Is the timer "ON"? (The operation lamp goes on.)
• Are COOL and HEAT selected simultaneously?
("
" indication is lit on the display of the remote control.)
• Is outdoor temperature out of operation temperature range?
• Is the air intake or air discharge of the outdoor unit obstructed?
• Are any doors or windows open?
• Is the air filter clogged with dust?
• Is the indoor unit discharge louver set at appropriate position?
• Is the air selection set to "LOW" "MED", and is the operation mode set to
"FAN"?
• Is the setup temperature the appropriate temperature?
• Are COOL and HEAT selected simultaneously?
("
" indication is lit on the display of the remote control.)
• Is the outdoor temperature out of operation temperature range?
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Mcy-map0487hs-ulMcy-map0607hs-ul

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