Heat Controller MSS-024B/A - Page 56

8.
The phenomena
in
case
of connecting
error
INDOOR
UNIT
Connector
Type
Condition
Phenomena
CN-DC/DC
Open and
connecting
error
"
The
same as
the
phenomenon of
Outdoor Unit.
p Blue
Q Black
(D
Brown
© Red
CN-MOTOR
Open
-The
indoor fan
does not operate.
" The
operation
indicator of
Indoor
unit blinks 8 times.
Open
"
The
up/down vane
does
not
operate.
CN-UP/DOWN
Short
between terminals "
The
up/down
vane does
not
smoothly operate.
CN-DISP
Open "
It does
not operate
with a
remote
controller.
" The
operation
indicator blinks
once.
On for 0.5
second
Open
Ott ior
3
seconds
" The
compressor and
the
outdoor
fan stop.
"
The
indoor fan
speed is low.
CN-TH
" The
operation
indicator blinks once
Short
between
terminals
(on
for 0.5
second, off
for 3
seconds).
((I
and ®)
of
ROOM-TH.
"
The
compressor operates
continuously
regardless
of the
setting
temperature and
the
variation of
room
temperature.
Short
between terminals
"
The
operation
indicator blinks
once
(T
and
®)
of
PIPE-TH.
(on for
0.5
second,
off for 3
seconds)
"
Continuous
operation
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0
"
0