– 1 –
REGULAR INSPECTION
PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR
SALES AGENT SHOULD YOU NEED ANY HELP.
1
2
Check to see if the unit’s earth line has been connected
correctly.
If the earth line is disconnected or faulty, unit failure or electric
shock hazard may result.
Check to see if the mounting frame has rusted excessively
or if the outdoor unit has tilted or become unstable.
It could collapse or fall, causing injury.
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING
S
T
N
I
O
P
G
N
I
W
O
L
L
O
F
E
H
T
K
C
E
H
C
N
O
I
T
I
D
N
O
C
Do the batteries need replacement?
Is the polarity of the inserted batteries correct?
Is the air filter blocked with dust?
Is the set temperature suitable?
Have the top and bottom air deflectors been adjusted to their correct
positions according to the operation mode selected?
Are the air inlets or air outlets of indoor and outdoor units blocked?
Is the fan speed “LOW” or “SILENT”?
WARNING
WARNING
AFTER SALES SERVICE AND WARRANTY
Is the fuse all right?
Is the voltage extremely high or low?
Is the circuit breaker “ON”?
Is the setting of operation mode different from other indoor units?
When it does not operate.
When it does not cool well.
When it does not heat well.
The following phenomena do not indicate unit failure.
<Operation start>
The unit is preparing to blow warm air. Please wait.
<In operation>
The outdoor unit is defrosting. Please wait.
Hissing or fizzy sounds
Refrigerant flow noise in the pipe or valve sound generated when flow rate is
adjusted.
Squeaking noise
Noise generated when the unit expands or contracts due to temperature
changes.
Rustling noise
Noise generated with the indoor unit fan’s rpm changing such as operation start
times.
.
n
o
d
e
h
c
ti
w
s
s
i
ti
n
u
e
h
t
n
e
h
w
e
v
l
a
v
d
e
z
ir
o
t
o
m
e
h
t
f
o
e
s
i
o
N
e
s
i
o
n
g
n
i
k
c
il
C
Perking noise
Noise of the ventilation fan sucking in air present in the drain hose and blowing out
dehumidifying water that had accumulated in the condensed water collector. For
details, consult your sales agent.
Changing operation noise
Operation noise changes due to power variations according to room temperature
changes.
.r
i
a
d
e
n
o
it
i
d
n
o
c
y
b
d
e
l
o
o
c
y
l
n
e
d
d
u
s
s
i
m
o
o
r
e
h
t
n
i
h
ti
w
r
i
a
e
h
t
s
a
d
e
t
a
r
e
n
e
g
s
i
t
s
i
M
n
o
i
s
s
i
m
e
t
s
i
M
During heating, the operation indicator
blinks and air blow stops
If the remote controller is not
transmitting a signal.
(Remote controller display is
dim or blank.)
ENGLISH
Summary of Contents for RAF-25RXB
Page 121: ...MEMO 121 ...
Page 122: ... 485 Ⓒ ...
