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6 - 5
6 Troubleshooting
CompoNet Communications Unit User’s Manual (I582-E1)
6-3 Er
ro
rs on
Inverter
o
r Com
p
o
N
et
Com
m
u
n
ications
Unit
6
6-
3-1 Err
or C
odes Rela
ted to Compo
Net Communicatio
ns Er
ror
6-3
Errors on Inverter or CompoNet
Communications Unit
If an error occurs in the inverter or CompoNet Communications Unit, an error code is displayed on the
Digital Operator's LED indicator.
This section provides information on the error code, assumed cause, and corrective action mainly
related to errors on the CompoNet Communications Unit.
For errors related to the inverter, refer to Section 7 Maintenance Operations of the MX2 User's Manual
(Cat. No. I570) and 10-1 Alarm Codes and Remedies of the RX User's Manual (Cat. No. I578).
If an error occurs during CompoNet communications, it is indicated with the MS/NS LED indicators on
the CompoNet Communications Unit, as well as the inverter error code. Check the content of the error
according to the MS/NS LED indicators and the error code. The table below shows the error and the
corrective action.
6-3-1
Error Codes Related to CompoNet Communications Error
MX2
Error Codes &
Indicators
RX
Error Codes &
Indicators
Assumed Cause
Corrective Action
Waiting for connection
If you use Registration Table function, check if the
number of words occupied by input/output assem-
bly in registration table matches Remote I/O setting.
*1
Device Node Address
(P190) does not match
Unit's current online
address.
This error may occur if Device Node Address
(P190) is changed when communication connection
is established. Cycle the power supply of the
inverter.
CompoNet Master Unit
cannot communicate
with CompoNet Com-
munications Unit
because node address
is already used.
Check (and correct) the following items:
• Does Master Unit or any other slave device on
CompoNet network also use the same node
address?
Communication idle
was detected during
RUN mode.
Check (and correct) the following items:
• Is CompoNet Master Unit sending IDLE mes-
sages? Check P048 and select an operation from
Operation at Idle Mode Detection Setting.
*2
MS NS
MS
NS
MS
NS
MS
NS
MS NS
MS
NS
Summary of Contents for 3G3AX-MX2-CRT-E
Page 94: ...3 Network Startup 3 36 CompoNet Communications Unit User s Manual I582 E1...
Page 118: ...4 Remote I O 4 24 CompoNet Communications Unit User s Manual I582 E1...
Page 134: ...5 Message Communications 5 16 CompoNet Communications Unit User s Manual I582 E1...
Page 167: ...I 1 I CompoNet Communications Unit User s Manual I582 E1 Index...
Page 171: ......