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Wecon VD2 SA Series Servo Drives User Manual (Full V1.0)
146 WECON technology Co., Ltd
The current fault code can be viewed through the monitoring parameter U1-01, and the current
warning code can be viewed through U1-02. The monitoring variables U1-16 to U1-25 can display
the last 5 fault codes and warning codes. For the monitoring variables, please refer to [ Chapter 9
Parameters ]
10.2.2 Fault and warning code table
(1) The first category (referred to as category 1) unclearable fault
Category Error name Cause of fault Fault code Troubleshooting
Category
1
Parameter
destruction
EEPROM cannot be read and
written
Er.01
The hardware interface cannot read
and write parameters, please
contact the manufacturer to confirm
whether the hardware is damaged.
Category
1
Parameter
storage
error
The version, total number,
range, etc. of internal
parameter storage,
verification failure, etc. are
abnormal. Possible reasons
are:
1. The drive has undergone a
software upgrade;
2. In the process of parameter
storage, an instantaneous
power failure occurs;
3. Frequent writing of
parameters;
Er.02
1. Check whether the program has
been updated. If the parameter
storage is abnormal due to the
updated program, please update the
parameters by restoring the factory
default parameters and power on
again.
2. Re-power on and reset the
parameters after restoring the
factory default settings;
3. Confirm whether the host
computer writes parameters
frequently, and modify the
corresponding parameter writing
method;
Category
1
ADC
reference
source
faults
The internal analog reference
source of the drive is not
accurate
Er.03
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.
Category
1
AD current
sampling
conversion
error
Current sampling zero drift or
current sensor error
Er.04
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.
Category
1
FPGA
communica
tion
abnormal
FPGA communication faults Er.05
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.
Category
1
The FPGA
program
version is
wrong
The FPGA program version is
wrong
Er.06
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.
Category
1
Clock
abnormal
The internal clock of the drive
is disturbed or abnormal
Er.07
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.
Category
1
ADC
conversion
undone
ADC conversion is not
complete
Er.60
Please re-power on to determine
whether the fault is eliminated; if
there is still an abnormality, please
contact the manufacturer.