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I
I
I
Message
EEP2
EEP3
E.-.-.t
.-
l-
P
,
I-
E.-,-.U
E.-.-.O
I" I'
UI-.I-I-
Fl-t
Explanation
EEPROM
abnormality
EEPROM
abnormality
Transmission error
(Note)
Stall prevention
warning
Overvoltage
restriction warning
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I
Overload warning
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Set value
abnormality
warning (the fault
I
message and the
I
related data are
I
displayed
; alternately twice.)
1.
1.
1.
1.
1.
2.
1.
2.
j
1.
I
I
I
I
!
Countermeasure
The EEPROM data for the causes of the previous trip(s)
are abnormal. Cycle the power switch off,then on. If the
message "EEP3" appears again, the EEPROM must be
repaired.
Setting are abnormal Renew the settings correctly.
A transmission error between the panel and the inverter
!
has been detected. Check the connections between
the panel and the inverter.
I
I
Increase the acceleraion time (ACC setting).
i
,
Increase the acceleration time (dEC setting).
I
I
I
Install an optional regenerative discharge resistor/
i
regenerative discharge unit.
i
I
Reduce the load.
I
Use an inverter with a hi her ratin
I
g
g
An abnormality in a set value has been detected during I
read and write of the data. Check the set value and
correct the setting.
NOTE:
The inverter will not trip when the fault messages "POFF" or "MOFF" or "Err. 1" or "Err. 4"
or "Err. 5" or "Err. 6" or anyone of the warning messages appears.
9.2
Symptoms of common motor problems
Table 9.2 lists common motor problems you may encounter when using the VF-A3 inverter with a
motor.
Causes and/or countermeasures for these problems are listed in the table's right-side
column.
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