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7105
Address setting error
Address setting of the outdoor unit is
wrong.
Addresses wrong 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 2 minutes or more at the same
time, and turn on power supply again.
7111 When an old type remote controller for
M-NET is used, the remote controller
sensor is specified (SW1-1 is ON).
Replace the remote controller to
M-NET remote controller.
In the case of M-NET 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 number of connecting unit
exceeds limitations, error code <7102>
is displayed.
Even if the indoor unit is not connected,
becomes <7102> is display.
Number of connecting unit exceeds
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 6(P100)/8(P125,
140) units.
2) Ventilation unit connecting is only
1 unit.
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.
[PUMY-P100/125/140VHM]
The indoor unit of 20-140(code 4-28)
is possible to connect.
[PUMY-P100/125/140VHMA]
The indoor unit of 15-40(Code 3-28) is
possible to connect.
Check the model code registration
switch (indoor controller board SW2)
in the connected indoor unit.
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
0403 Serial communication error
Abnormal if serial communication between
outdoor multi board and outdoor power
board is defective.
1 Breaking of wire or contact failure of
connector CN2
2 Breaking of wire or contact failure of
connector CN4
3 Defective communication circuit of
outdoor power board
4 Defective communication circuit of
outdoor multi board for power board
12 Check connection of each
connector CN2, CN4.
3 Replace outdoor power board.
4 Replace outdoor multi board.
Display
Abnormal point and detecting method
Causes
Check points
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OC376B--2.qxp 08.1.17 1:15 PM Page 51