80
7102
Number of connecting unit over
When the connecting unit exceeds a
number of limitations, error code <7102> is
displayed.
Even if the indoor unit is not connected,
becomes <7102> is display.
Connecting unit exceeds a number of
limitations. It is assumed abnormality
excluding the following cases;
Check whether the connecting unit
exceeds a number of limitations or
not.
1) The indoor unit can be totally
connected up to 8 units.
The indoor unit can be
connected up to 8 units
2) Ventilation unit connecting is only
1unit.
7101
Capacity code error
When the connected indoor unit models
cannot be connected, <7101> is displayed.
The indoor unit models is not possible
to connect,
Check the model code registration
switch (indoor controller board SW2)
in the connected indoor unit.
The indoor unit of 20-125(code 4-25)
is possible to connect.
The outdoor unit SW1 operation can
check model code of the connected
indoor units.
Code of indoor unit No.1
Code of indoor unit No.2
Code of indoor unit No.3
Code of indoor unit No.4
Code of indoor unit No.5
Code of indoor unit No.6
Code of indoor unit No.7
Code of indoor unit No.8
1
2
1
2
7100
1) Connecting total models of the
indoor unit exceed the specified level.
125: Possible up to 163 (code 33)
Check the total models of connected
indoor unit.
When connected total models of the
indoor units exceed the specified level
(130% of the outdoor unit models), error
code <7100> is displayed.
Check the model code registration
switch (indoor controller board SW2)
of connected indoor unit.
2) There is a mistake in the registration
of model name code of the outdoor
unit.
Check the model code registration
switch (outdoor multi controller board
SW4) of the outdoor unit.
Display
Meaning and detecting method
Causes
Check points
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
on
2
1
3 4 5 6 7 8
7105
Address setting error
Address setting of the outdoor unit is
wrong.
Addresses miss setting of the outdoor
unit.
Check the address setting of the
outdoor unit. The address should be
set in 000 or 51-100.
The outdoor unit is not set in 000 or in
the range of 51-100.
When the setting is out of the range,
reset it, turn off power supply of the
outdoor unit, indoor unit and lossnay
for 2minutes or more at the same
time, and turn on power supply again.
OC183E--3.qxp 10.5.6 3:05 PM Page 80