56
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.
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
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
OC272A--2.qxp 03.9.4 11:08 AM Page 56
Summary of Contents for PUMY-P125VMA
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