8-3
8-2 Troubleshooting of Alarm and Warning
Alarm
Code
Alarm Name
and Description
Corrective Actions
Reset
Method
00
Normal
— —
Under-voltage
01
External power voltage is lower
than the rated power voltage。
Use multi-meter to check whether the input
voltage is within the specified limit. If it can not be
solved, there may be failure inside the Drive.
Turn
ALRS
(DI)
ON
Over-voltage
(Regeneration error)
02
1. External power voltage is
higher than the rated power
voltage.
2. Regeneration voltage is too
high.
1. Use multi-meter to check whether the input
voltage is within the specified limit.
2. Check the Parameter Cn012 if it is setting
correctly.
3. If this alarm appears during operation.
Extend ac/deceleration time or reduce load
ratio in the permitted range. Otherwise, an
external regeneration resistor is needed.
(Please contact your supplier for assistance.)
Turn
ALRS
(DI)
ON
Motor Over-load
03
The drive has exceeded its rated
load during continuous
operation. When the loading is
equal to 2 times of rated
loading, alarm occurs within
10sec.
1. Check connection for Motor terminal s (U,V,W)
and Encoder.
2. Adjust the Drive gain, If gain is not correctly
adjusted, it would cause motor vibration and
large current will lead to motor over load.
3. Extend acc/deceleration time or reduce load
ratio in the permitted range.
Turn
ALRS
(DI)
ON
Drive Over-current
04
Drive main circuit Over current
or Transistor error.
1. Check connection of the motor cable (U,V,W)
and encoder.
Check power cable connection. Refer to the
diagram in Chapter 2.
2. Turn off the power, and turn on again after 30
min. If the alarm still exists, there may be
power module malfunction or noise consider
the drive for test and repair.
Reset
Power
Supply
Encoder ABZ phase signal
error
05
Motor’s encoder failure or
encoder connection problem.
Encoder UVW phase signal
error
06
Motor’s encoder failure or
encoder connection problem.
1. Check the motor’s encoder connections.
2. Check the encoder if short circuit, poor solder
joints or break.
3. Check the encoder signal terminals CN2-1 and
CN2-2. ( power cable 5v)
Reset
Power
Supply
Multi-function contact setting
error
07
Input/output contacts function
setting error.
1. Check parameters Hn601~Hn612, trigger level
selected by 2
nd
digit of Hn601 to 612 should be
the same for all inputs DI-1~DI-12.
2. Check parameters setting of Hn613 ~ Hn616
should NOT be the same for outputs contact
DO-1~DO-4.
Reset
Power
Supply
Memory Error
08
Parameter write-in error
Disconnect all command cable then re-cycle the
power. If alarm still occurs, it means the Drive was
failure.
Reset
Power
Supply
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