Miswiring example
Figure
Remote
controller
status
Outdoor
unit
7-segment
display
Miswiring example
Fig. 1
No
response
E19-00
Fig.
2
No
response
E20-01
e
l
p
m
a
x
e
g
n
i
r
i
w
s
i
M
s
u
t
a
t
S
e
r
u
g
i
F
Fig.
3
The number of connected
indoor units is too few.
U3 U4
U1 U2
U1 U2
Outdoor
unit
U1 U2
U1U2
U1 U2
[Line 1]
U1 U2
Outdoor
unit
Outdoor
unit
[Line 2]
Wiring forgotten
U1 U2
U1 U2
A B
U1 U2
U1 U2
U1 U2
Outdoor
unit
Outdoor
unit
- 99 -