Omron Varispeed E7 User Manual

Protective and Diagnostic Functions
7-13
 Autotuning Faults
Auto-tuning faults are shown below. When the following faults are detected, the fault is displayed on the digi-
tal operator and the motor coasts to stop. No fault or alarm outputs will be operated.
 Digital Operator Copy Function Faults
These faults can occur during the digital operator COPY function. When a fault occurs, the fault content is dis-
played on the operator. A fault does not activate the fault relay output or alarm output.
Table 7.4 Autotuning Faults
Display Meaning Probable causes Corrective Actions
Motor data fault
• There is an error in the data input
for autotuning.
• There is an error in the relationship
between the motor power and the
motor rated current.
• Check the input data.
• Check the Inverter and
motor capacity.
• Check the motor rated cur-
rent setting.
Er - 01
Fault
Alarm
An alarm is detected during autotun-
ing.
• Check the input data.
• Check wiring and the
machine.
• Check the load.
Er - 02
Minor Fault
STOP key input
The STOP key was pressed to cancel
autotuning.
-
Er - 03
STOP key
Line-to-Line Resistance Fault
• Autotuning was not completed in
the specified time.
• The autotuning result is outside the
parameter setting range.
• Check the input data.
• Check motor wiring.
Er - 04
Resistance
Rated current setting alarm.
Displayed after autotuning is
completed.
The rated current is set too high.
Check the motor rated current
value.
End - 3
Rated FLA Alm
Table 7.5 Digital Operator Copy Function Faults
Func-
tion
Display Probable causes Corrective Actions
Read
o3-01 was set to 1 to read parameters
when the Digital Operator was write-pro-
tected (o3-02 = 0).
Set o3-02 to 1 to enable writing parame-
ters into the Digital Operator’s memory.
PRE
READ IMPOSSIBLE
The data file read from the Inverter was
of the wrong size indicating corrupted
data.
• Retry the read command.
• Check the Digital Operator’s cable
• Replace the Digital Operator
IFE
READ DATA ERROR
An attempted wring of the Inverter data
to the Digital Operator’s EEPROM
failed.
• A low Inverter voltage has been
detected.
• Retry the read command
• Replace the Digital Operator.
RDE
DATA ERROR

Omron Varispeed E7 Specifications

General

Brand	Omron
Model	Varispeed E7
Category	Inverter
Language	English