Sako SKI-70 - Page 88

5.1 故障报警及对策 Failure alarm and policies
80
故障名称 Failure
name
故障 代码
Failure code
故障原因排查
Failure reason one by one check
故障处理对策
Failure treatment policies
减速 过电流
Moderate over
current
Err3
1.变频器输出回路存在接地或短路 Frequency
converter output circuit existing grounding or
short circuit
2.控制方式为矢量且没有进行参数 辨识 Control
method is vector and not process parameter
identification
3.减速时间太短 Too short moderate time
4.电压偏低 Lower voltage
5.减速过程中突加负载 Suddenly add load during
moderating
6.没有加装制动单元和制动电阻 Not
additionally install brake unit and brake electric
resistance
1.排除外围故障 Solve outer failure
2.进行电机参数辨识 Process motor
parameter identification
3.增大减速时间 Increase moderate time
4. 将电压调至正常范围 Adjust the
voltage to normal range
5.取消突加负载 Cancel suddenly added
load
6.加装制动单元及电阻 Additionally
install brake unit and brake electric
resistance
恒速 过电流
Constant speed
over current
Err4
1
、 变频器输出回路存在接地或短路
Frequency
converter output circuit existing grounding or
short circuit
2、 控制方式为矢量且没有进行参数 辨识
Control method is vector and not process
parameter identification
3、 电压偏低 Lower voltage
4、 运行中是否有突加负载 Whether has sudden
load during running
5
、 变频器选型偏小
Smaller frequency
converter device model select
1
、 排除外围故障
Solve outer failure
2
、 进行电机参数辨识
Process motor
parameter identification
3
、 将电压调至正常范围
Adjust the
voltage to normal range
久取消突加负载
Cancel suddenly added
load
5、选用功率等级更大的变频器 Select
more bigger power grade frequency
converter
加速 过电压
Accelerate over
voltage
Err5
1、 输入电压偏高 Higher input voltage
2、 加速过程中存在外力拖动电机运行
Existing outer force drive motor to run during
accelerating
3、 加速时间过短 Too short accelerate time
4、 没有加装制动单元和制动电阻 Not
additionally install brake unit and brake electric
resistance
1、 将电压调至正常范围 Adjust the
voltage to normal range
2
、 取消此外动力或加装制动电阻
3、 增大加速时间 Increase accelerate
time
4、 加装制动单元及电阻 Additionally
install brake unit and brake electric
resistance
减速
过电压
Moderate
over voltage
Err6
1
、 输入电压偏高
Higher input voltage
2
、 加速过程中存在外力拖动电机运行
Existing outer force drive motor to run during
accelerating
3
、 减速时间过短
Too short moderate time
4
、 没有加装制动单元和制动电阻
Not
additionally install brake unit and brake electric
resistance
1
、 将电压调至正常范围
Adjust the
voltage to normal range
2、 取消此外动力或加装制动电阻
3
、 增大加速时间
Increase accelerate
time
4
、 加装制动单元及电阻
Additionally
install brake unit and brake electric
resistance