13
TROUBLESHOOTING
Symptom
Problem
See
Page
NORMAL
FUNCTION
Does not operate immedi-
ately:
M
If the unit is stopped and then immediately started again, the com-
pressor will not operate for about 3 minutes, in order to prevent fuse
blowouts.
M
:KHQHYHUWKHHOHFWULFDOEUHDNHULVWXUQHGRIIWKHQRQDJDLQWKHSURWHF
-
tion circuit will operate for about 3 minutes, preventing unit operation
during that period.
—
Noise is heard:
M
During operation and immediately after stopping the unit, the sound of
ZDWHUÀRZLQJLQWKHDLUFRQGLWLRQHU¶VSLSLQJPD\EHKHDUG$OVRQRLVH
may be particularly noticeable for about 2 to 3 minutes after starting
RSHUDWLRQVRXQGRIFRRODQWÀRZLQJ
.
—
*
M
During heating operation, a sizzling sound may be heard occasionally.
This sound is produced by the automatic defrosting operation.
14
Smells:
M
Some smell may be emitted from the indoor unit. This smell is the
UHVXOWRIURRPVPHOOVIXUQLWXUHWREDFFRHWFZKLFKKDYHEHHQWDNHQ
into the air conditioner.
—
Mist or steam are
emitted:
M
During cooling or dry operation, a thin mist may be seen emitted from
the indoor unit. This results from the sudden cooling of room air by the
air emitted from the air conditioner, resulting in condensation and mist-
ing.
—
*
M
During heating operation, the outdoor unit’s fan may stop, and steam
may be seen rising from the unit. This is due to the automatic defrosting
operation.
14
$LUÀRZLVZHDNRUVWRSV
*
M
When heating operation is started, fan speed is temporarily very low, to
allow internal parts to warm up.
*
M
During heating operation, if the room temperature rises above the ther-
mostat setting, the outdoor unit will stop, and the indoor unit will operate
at very low fan speed. If you wish to warm the room further, set the
thermostat to a higher setting.
—
*
M
During heating operation, the unit will temporarily stop operation (be-
tween 4 and 15 minutes) as the automatic defrosting mode operates.
During the automatic defrosting operation,
will be shown on the
remote controller display.
14
M
The fan may operate at very low speed during dry operation or when
the unit is monitoring the room’s temperature.
—
M
During QUIET operation, the fan will operate at very low speed.
—
M
In the monitor AUTO operation, the fan will operate at very low speed.
—
Water is produced from
the outdoor unit:
*
M
During heating operation, water may be produced from the outdoor unit
due to the automatic defrosting operation.
14
The FILTER indicator
EOLQNV
M
&OHDQWKH¿OWHU$IWHUZDUGVWXUQWKH),/7(5LQGLFDWRURII
12
thermo sensor
display on the remote
FRQWUROOHULVÀDVKLQJ
M
The room temperature sensor may be malfunctioning. Please consult
authorized service personnel.
—
CHECK ONCE
MORE
Does not operate at all:
M
+DVWKHFLUFXLWEUHDNHUEHHQWXUQHGRII"
M
+DVWKHUHEHHQDSRZHUIDLOXUH"
M
+DVDIXVHEORZQRXWRUDFLUFXLWEUHDNHUEHHQWULSSHG"
—
M
,VWKHWLPHURSHUDWLQJ"
8 to 11
Poor cooling (or Heating*)
performance:
M
,VWKHDLU¿OWHUGXVW\"
M
$UHWKHDLUFRQGLWLRQHU¶VLQWDNHJULOOHRURXWOHWSRUWEORFNHG"
M
'LG\RXDGMXVWWKHURRPWHPSHUDWXUHVHWWLQJVWKHUPRVWDWFRUUHFWO\"
M
,VWKHUHDZLQGRZRUGRRURSHQ"
M
In the case of cooling operation, is a window allowing bright sunlight
WRHQWHU"&ORVHWKHFXUWDLQV
M
In the case of cooling operation, are there heating apparatus and
FRPSXWHUVLQVLGHWKHURRPRUDUHWKHUHWRRPDQ\SHRSOHLQWKHURRP"
M
,VWKHXQLWVHWIRU48,(7RSHUDWLRQ"
—
,IWKHSUREOHPSHUVLVWVDIWHUSHUIRUPLQJWKHVHFKHFNVRULI\RXQRWLFHEXUQLQJVPHOOVVWRSRSHUDWLRQLPPHGLDWHO\WXUQRIIHOHFWULF
EUHDNHUDQGFRQVXOWZLWKDXWKRUL]HGVHUYLFHSHUVRQQHO
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
WARNING
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical
EUHDNHUDQGFRQVXOWDXWKRUL]HGVHUYLFHSHUVRQQHO
Merely turning off the unit’s power switch will not completely disconnect the unit from the power
VRXUFH$OZD\VEHVXUHWRWXUQRIIWKHHOHFWULFDOEUHDNHUWRHQVXUHWKDWSRZHULVFRPSOHWHO\RII
%HIRUHUHTXHVWLQJVHUYLFHSHUIRUPWKHIROORZLQJFKHFNV
