伦茨i700驱动器的常见故障，结合个人维修经验，主要有以下：

1.上电无显示（红灯、蓝灯均不亮）

2.上电报警（红灯常亮），常见报警代码如下：

专业维修LENZE伦茨i700伺服驱动器各种故障：

0x2320  Short circuit or earth leakage at the motor end

0x2340  Short circuit at the motor end

0x3210  DC bus - overvoltage [value] V

0x3220  DC bus - undervoltage [value] V

0x4210  Module temperature too high, [value]

0x4280  Internal fault - module temperature monitoring

0x4310  Motor temperature too high, [value]

0x4380  Motor temperature sensor

0x5112  24 V supply

0x7303  Error in feedback system

0x7380  Hiperface communication error

0xff00   Fatal internal error

0xff02   Brake

0xff09   Motor phase failure

0xff0a   Motor phase failure - phase U

0xff0b   Motor phase failure - phase V

0xff0c   Motor phase failure - phase W