page 19808D turning and milling Service guide
A06 alarm
A07 alarm
车削与铣削
车削与铣削车削与铣削
车削与铣削 第
第第
第页
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页 服务指南
服务指南服务指南
服务指南
硬件故障
硬件故障硬件故障
硬件故障
服务案例
服务案例服务案例
服务案例
如果上述操作之后故障仍然存在,则很可能是驱动器损坏,需要进行更换或
维修。
检查驱动器 、、、之间的连接线
不同相位之间的连线是否短接
检查 、、是否有一相断开
线路接地是否错误或接地不良
连接线本身是否损坏
核查后重新上电观察故障是否还存在。
如果上述操作后故障仍在,则需要检查电机的绝缘是否损坏,必要时可更换
电机,重新上电后观察故障是否存在。
内部芯片过电流 → 接通主电源时出现 / 电机运行过程中出现
A06 报警
如果上述操作之后故障仍然存在,则很可能是驱动器内部 模块损坏,
需要进行更换或维修。
检查驱动器 、、、之间的连接线
不同相位之间的连线是否短接
核查后重新上电观察故障是否还存在。
接地短路 → 接通主电源时出现 / 电机运行过程中出现
A07 报警
如果上述操作之后故障仍然存在,则很可能是电机内部的编码器损坏,需要
进行更换或维修。
检查驱动器与电机之间的信号电缆(从驱动器到电机的编码器)
是否存在电缆内部线路接触不良
是否存在电缆屏蔽不良
屏蔽地线是否接好
核查后重新上电观察故障是否还存在。
如果上述操作后故障仍在,则需要检查编码器的接口电路是否出现故障
编码器 U / V / W 错误
A08 报警
如果上述操作之后故障仍然存在,则很可能是电机内部的编码器损坏,需要
进行更换或维修。
检查驱动器与电机之间的信号电缆(从驱动器到电机的编码器)
编码器电缆连接是否正确
是否存在电缆内部线路接触不良
是否存在电缆屏蔽不良
屏蔽地线是否接好
核查后重新上电观察故障是否还存在。
如果上述操作后故障仍在,则需要检查编码器的接口电路是否出现故障
编码器 TTL 脉冲错误
A09 报警
Internal chip overcurrent
→
appears when power is obtained
from the line supply / appears during motor operation.
The ground circuit is short-circuited
→
appears when
power is obtained from the line supply / appears during
motor operation.
Check the U, V, W, PE connections on the drive
1. Whether connections between different phases
are short-circuited.
2. Whether a U, V, W phase is disconnected.
3. Whethe
r the grounding connection is
incorrect or has bad grounding.
4. Whether the connection is damaged.
Power on again and observe whether the
fault still exists after verification.
Check the U, V, W, PE connections on the drive
1. Whether connections among different phases are short-circuited.
Power on again and observe whether the fault still exists after verification.
Replacement and maintenance are necess
ary if the fault still exists after
the above operation, because it is probable that the IGBT module in the
drive is damaged.
If the fault still exists after the above operation, check the insulation of the
motor and see if it is damaged. The motor can be changed when necessary.
Then power on again and observe whether the fault still exists.
Replacement and maintenance are necessary if the fault still e
xists after
the above operation, because it is probable that the drive is damaged.
A08 alarm
A09 alarm
The encoder U/V/W connections are incorrect.
The encoder TTL has pulse faults.
Check the signal cable between the motor and the drive (the encoder
from the drive to the motor)
1. Whether the internal cable connections have faulty contacts.
2. Whether the cable shielding is poor.
3. Whether the shielded ground cable is connected correctly.
Power on again and observe whether the fault still exists
after verification.
Check the signal cable between the motor and the drive (the encoder
from the drive to the motor)
1. Whether the connection of the encoder cable is correct.
2. Whether the internal cable connections have faulty contacts.
3. Whether the cable shielding is poor.
4. Whether the shielded ground cable is connected correctly.
Power on again and observe whether the fault still exists after ve
rification.
The interface circuit of the encoder must be checked if the fault still exists
after the above operation.
Replacement and maintenance are necessary if the fault still exists after
the above operation, because it is probable that the encoder in the drive
is damaged.
The interface circuit of the encoder must be checked if the fault still exists
after the above operation.
Replacement and maintena
nce are necessary if the fault still exists after
the above operation, because it is probable that the encoder on the drive
is damaged.
Service case
of hardware
fault
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