8
• The system does not restart immediately
when TEMPERATURE SETTING button is
returned to the former position after pushing
the button.
If the OPERATION lamp lights, the system is in
normal condition.
It does not restart immediately because a safety
device operates to prevent overload of the sys-
tem. After 3 minutes, the system will turn on again
automatically.
• The system does not start immediately after
the power supply is turned on.
Wait one minute until the micro computer is pre-
pared for operation.
II. WHITE MIST COMES OUT OF THE UNIT
• When humidity is high during cooling opera-
tion (In oily or dusty places)
If the inside of an indoor unit is extremely contam-
inated, the temperature distribution inside a room
becomes uneven. It is necessary to clean the
inside of the indoor unit. Ask your Trane dealer for
details on cleaning the unit. This operation
requires a qualified service person.
III.NOISE OF AIR CONDITIONERS
• A ringing sound after starting operation.
This sound is generated by the temperature regu-
lator working.
It will quiet down after about a minute.
• A continuous flow “Shuh” sound is heard
when the systems is in COOLING OPERA-
TION.
This is the sound of refrigerant gas flowing
through both indoor and outdoor units.
• A “Shuh” sound which is heard at the start or
immediately after the stop of operation.
This is the noise of refrigerant caused by flow stop
and flow change.
• A continuous low “Shah” sound is heard
when the system is in COOLING OPERATION
or at a stop.
The noise is heard when the drain pump is in
operation.
• A “Pishi-pishi” squeaking sound is heard
when the system is in operation or after the
stop of operation.
Expansion and contraction of plastic parts caused
by temperature change makes this noise.
IV.DUST FROM THE UNIT
• Dust may blow out from the unit after starting
operation from long resting time.
Dust absorbed by the unit blows out.
V. THE UNIT GIVES OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
VI.THE DISPLAY OF THE REMOTE CONTROL-
LER SHOWS “”
• It happens immediately after the main power
supply switch is turned on.
This shows that the remote controller is in normal
condition.
This continues temporary.
I. If one of the following malfunctions occurs,
take the measures shown below and contact
your Trane dealer.
The system must be repaired by a qualified service
person.
WARNING
When the air conditioner is in abnormal con-
ditions (smell of something burning, etc),
unplug the power cord from the outlet, and
contact your dealer
Continued operation under such circumstances
may result in a failure, electric shock, and fire.
• If a safety device such as a fuse, a breaker, or an
earth leakage breaker frequently actuates, or ON/
OFF switch does not properly work.
Measure: Turn off the main power switch
• If water leaks from unit.
Measure: Stop the operation.
• If the display “ ” (INSPECTION), “UNIT No.”,
and the OPERATION lamp flash and the “MAL-
FUNCTION CODE” appears.
Measure: Notify your Trane dealer and inform
him/her of the display.
10. TROUBLE SHOOTING
OPERATION lamp
INSPECTION
display
MALFUNCTION
CODE
INDOOR UNIT
No. in which a
malfunction occurs
UNIT No.
F
L H
02_EN_3VA13886-3A.fm Page 8 Friday, January 24, 2003 9:04 AM
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