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VI-5
SM831148
1
2
3
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6
6. Test run
Wired remote
controller display
Cause
Correction
Nothi
ng
is
di
splayed
Nothing is
di
splayed
E 0 1
dis
played
E 0 2
di
splayed
E 0 9
di
splayed
E 1 4
displayed
E 0 4
displayed
E 0 6
di
splayed
E 1 5
displayed
E 1 6
displayed
E 2 0
di
splayed
P 0 5
di
splayed
L 0 2
displayed
L 1 3
displayed
P 0 9
displayed
L 0 7
displayed
Indoor unit
receiver lamp
Operating
lamp
is blinking.
Standby lamp
is
blin
king.
Both the Operation
lamp and S
tan
dby
lamp are blinking
together.
Operatio
n
lamp an
d
S
tan
dby lamp are
blinking alternately.
Timer lamp a
nd
S
tan
dby lamp are
blinking alternately.
●
Remote co
n
troller is not connected correctly.
●
In
door
un
it power i
s not ON.
●
A
utomatic addre
ss setting has not been
completed.
●
Inter-unit control wiring is cut or is not
connected correctly.
●
Remote controller is not conn
ected correctly
(remote controller receiving failure).
●
Remote co
ntroller is not connected correctly
(failure in transmission from remote controller
to indoor unit).
●
Indoor-outdoor inter-unit wiring is not
connected correctly.
●
Indoor unit capacity is too low.
●
I
ndoor un
it capacity i
s too hi
g
h.
●
No s
erial
s
i
gn
al i
s
bei
ng
received at all from
the indoor units.
●
Inter-unit circu
it or ope
n pha
s
e i
n
the o
u
tdoor
unit power
●
Insu
fficie
nt
g
as
●
Indoor-outdoor unit type mismatch
●
The indoor unit ceiling panel connector is not
co
nn
ected correctly.
●
Remote controller is not co
nn
ected with
indoor unit correctly
●
Indoor unit power is not ON.
●
Automatic address setting has not been
completed.
●
Inter-unit control wiring is cut or is not
connected correctly.
●
Remote co
n
troller is not connected with
indoor unit correctly
●
Remote controller is not connected with
indoor unit correctly
●
Same as at left
●
I
ndoor-outdoor inter-un
it wiring is cut or
is not connected correctly.
●
Same a
s
at left
●
Reversed phase or open phase in the
3
-pha
s
e power at on
e of the o
utdoor
un
its
i
n the
gro
u
p
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same a
s at left
●
Same as at left
●
Same as
at left
●
S
ame as at left
●
Same as at left
●
Same as at left
●
Same as at left
●
Same a
s
at left
●
Remote controller crossover wiring is cut or
is not connected correctly.
●
Indoor unit ceiling panel connector is not
connected correctly.
●
Remote controller crossover wiring is co
nn
ected
to the indoor unit, however it is set for individual
operatio
n
.
Connect the remote controller correctly.
Turn ON the indoor unit power.
●
2 remote controllers are
set as the main remote
controller.
Check the remote controller and inter-unit
control wiring.
Perform automatic address setting.
Connect the remote controller correctly.
Refer to 11-8-6 Main-sub remote control, and
make the correct settings.
Check the remote controller crossover wiring.
Perform automatic address setting again.
Connect the wiring correctly.
Refer to 11-8 System Control, and make the
correct settings.
Check that the total capacitie
s
of the i
n
door
and outdoor un
it
s are appropriate.
Check that the indoor unit power is ON, and that
the inter-unit control wiring is connected correctly.
Reverse 2 phases of the outdoor unit 3-phase
power and connect them correctly.
Check that the in
door a
nd o
u
tdoor unit type
s
are correct.
Perform a
utomatic address
s
etti
ng.
Connect the indoor unit ceiling panel
co
nn
ector correctly.
●
Ceiling panel connector at one of the
indoor
unit
s in the g
ro
u
p i
s not
connected correctly.
●
Reversed phas
e or ope
n
pha
se in the
outdoor unit 3-phase power
1:1 connectio
n
(sing orG)epyt
el up connection
Simultaneous-operation multi system
(flexible combination)
Control by main-sub
remote controllers
6-7. Table of Self-Diagnostic Functions and Corrections (X, T, U, K Type)
6-7. Table of Self-Diagnostic Functions and Corrections (X, T, U, K Type)