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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.
7111 When an old type M-NET remote
controller is used, and the remote
controller sensor is specified (SW1-1
is ON).
Replace the remote controller to
M-NET remote controller.
In the case of network remote controller, it
is an abnormality when incapable
response returns from the M-NET remote
controller during the operation.
Remote controller sensor
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.
The indoor unit can be totally
connected up to 6(P36)/8(P48) units.
The indoor unit can be connected
up to 8 units.
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 06-54 (code 4-28)
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
0403
Serial communication error
Abnormal if serial communication between
outdoor multi board and outdoor power
board is defective.
Breaking of wire or contact failure of
connector CN2
Breaking of wire or contact failure of
connector CN4
Defective communication circuit of
outdoor power board
Defective communication circuit of
outdoor multi board for power board
Check connection of each
connector CN2, CN4.
Replace outdoor power board.
Replace outdoor multi board.
Display
Abnormal point and detecting method
Causes
Check points
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