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261
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● 7 segment display indication in automatic address setting
Items that are to be set by the customer
Code Contents of a display
P30
P31
P32
P34
Communication protocol 0: New SL mode
1: previos SL mode
Polarity difinition 0: Network polarity not defined.
1: Network polarity defined.
Automatic address start
Input starting address Specify a starting indoor unit address in automatic address setting.
(The communication plotocol is displayed ; display only)
P33
Input number of connected indoor units Specify the number of indoor units connected in the refrigerant system in automatic address setting.
0: Automatic address standby
1: Automatic address start
7 segment display indication in automatic address setting.
Code
Contents of a display
AUX
During automatic address setting.
X: The number of indoor units recognized by the outdoor unit.
AUE
Indoor unit address setting is completed normally.
End
Polarity is defined. (Automatic address)
Completed normally.
Address setting failure indication
Error indication
Code
A00
A01
A02
A03
A04
Contents of a display Please check
Unable to find any indoor unit that can be actually communicated
with.
Starting address (P32) + Number of connected indoor units (P33) >
128
While some units are operating in the previous SL mode on the network,
the automatic address setting on multiple refrigerant systems is attempted.
The number of the indoor units that can be actually communicated
with is less than the number specified in P33 on the 7 segment
display panel.
The number of the indoor units that can be actually communicated
with is more than the number specified in P33 on the 7 segment
display panel.
Are signal lines connected properly without any loose connections?
Is power for indoor units all turned on?
Input the starting address again.
Input the number of connected indoor units again.
Perform manual address setting.
Arrange all units to operate in the new SL.
Are signal lines connected properly without any loose connections?
Are the network connectors coupled properly?
Input the number of connected indoor units again.
Are signal lines connected properly without any loose connections?
Are the network connectors coupled properly?
Input the number of connected indoor units again.
Contents of a display Cause
Code
E2
E3
E11
E12
E31
E46
Duplicating indoor unit address. Incorrect pairing of indoor-outdoor units.
•
Indoor unit address is set from plural remote controllers.
•
Automatic address setting and manual address setting are mixed.
•
Plural outdoor units are exist as same address in same network.
•
Automatic address setting and manual address setting are mixed.
•
An outdoor unit number that does not exist in the network is specified
•
No master unit exists in combination outdoor unit.
Incorrect pairing of indoor-outdoor units.
Incorrect adderess setting of indoor units.
Address setting for plural remote controllers.
Incorrect setting.
Duplicating outdoor unit address.
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