Before Contacting The Service Representative, Check The Following Again - Mitsubishi MSZ09UN Operating Instructions Manual

BEFORE CONTACTING THE SERVICE REPRE-
SENTATIVE, CHECK THE FOLLOWING AGAIN
The air conditioner
cannot be operated.
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Check the following.
1
Is the breaker turned
on?
2
Isn't the fuse blown?
3
Isn't the ON-timer set?
Even if the above items are checked, when the air conditioner does not
recover from the trouble, stop using the air conditioner and consult your
dealer.
In the following cases, stop operation and consult your dealer.
I The remote control signal may
not be received in a room where
an electronic ON/OFF type fluo-
rescent lamp (inverter-type fluo-
rescent lamp, etc.) is used.
The room cannot be
cooled or heated
sufficiently.
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Check the following.
1
Is the temperature set-
ting correct?
2
Isn't the filter dirty?
3
Isn't the outlet of the out-
door unit blocked?
I In the region where the electric
wave is weak, when the air con-
ditioner is operated, noise may
be generated in radio reception.
Display of the remote con-
troller does not appear (1,
2). The remote control sig-
nal cannot be received if
the remote controller is
not operated near the air
conditioner (1).
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Check the following.
1
Aren't the batteries ex-
hausted?
2
Is the polarity (+, -) of the
batteries correct?
When a power failure occurs.
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Check the following after
the restoration of the power.
If the air conditioner had operated be-
fore the power failure, as these mod-
els are equipped with an auto restart
function, the air conditioner should
start operating again. (Refer to De-
scription of "AUTO RESTART FUNC-
TION" on page 7.)
1
Does the air conditioner
start operating again?
I When thunder is heard, stop op-
eration and turn off the breaker.
Otherwise, the electrical parts
may be damaged.