4.4  Inverter Output Layout

1.交流输出插座
1.AC output socket
2.交流输出接线排
2.AC output connector bar
3.开关
3.Switch
4.显示屏
4.Display screen


1.直流输入电压
1.DC input voltage
2.交流输出电压
2.AC output voltage
3.交流输出电流
3.AC output current
4.交流输出频率
4.AC output frequency
5.故障代码显示
5.Display of fault code
6.机器温度显示
6.Display of machine temperature

 

4.4.1:显示屏故障代码说明

4.4.1: Descriptions of fault code of display screen

故障代码

Fault Code

含义

Phenomenon

原因

Cause

处理方法

Troubleshooting

响铃

Bell Ringing

警告

Warning  

BL

电池欠压

Battery undervoltage

电池输入电压过低

Too low battery input voltage

为电池充电

Recharge battery

响2下间断循环

Discontinuous cycling after ringing for twice

1)约3秒短响一次:过温报警;

1) Short ringing for every about 3 s approximately: Overtemperature alarming;
2)约7秒短响一次:过载报警;

2) Short ringing for every 7 s approximately: Overload alarming;
3)约15秒短响一次:欠压报警;

3) Short ringing for every 15 s approximately: Undervoltage alarming;

BO

电池过压

Battery overvoltage

电池输入电压过高

Too high battery input voltage

检查输入电源

Check input power

响3下间断循环

Discontinuous cycling after ringing for three times

SC

输出短路

Output short circuit

输出短路

Output short circuit

检查输出线路和负载

Check output line and load

响6下间断循环

Discontinuous cycling after ringing for six times

OC

输出过流

Output overcurrent

输出电流过大,立即保护

Too large output current, immediate protection

减小负载

Reduce load

响5下间断循环

Discontinuous cycling after ringing for five times

OL

输出过载

Output overload

输出电流过大,延时保护

Too large output current, delay protection

减小负载

Reduce load

OH

过温保护

Overtemperature  protection

温度过高

Too high temperature

检查风扇或风道

Check fan or air duct

响4下间断循环

Discontinuous cycling after ringing for four times

EO

输出线有电

Output line is electrified

交流输出端子误接入带电源的设备

The AC output terminal is connected with equipment with power by mistake

检查输出接线是否有其它电源

Check if output line is connected with other powers

长中短间断循环

Discontinuous long, medium and short cycles

PN

直流母线过压

Overvoltage of DC bus

直流母线电压过高

Too high DC bus voltage

检查输入电源

Check input power

响3下间断循环

Discontinuous cycles after ringing for three times

NP

母线电压过低

Too low bus voltage

开机检测到直流母线电压低跳该故障,防止故障扩大

DC bus undervoltage tripping is detected by startup to prevent a more serious fault

检查后级功率管是否短路

Check if post-power tube is short circuited

响7下间断循环

Discontinuous cycles after ringing for seven times

RS

参数配置故障

Parameter configuration faults

参数配置后需要重启

Restart after parameter configuration

重启电源

Restart the machine

EP

存储器错误

Storage error

第一次使用芯片

Chip is used for the first time

RD

数据读取错误

Data reading error

未初始化

Not initialized

SA

采样电路故障

Sampling circuit fault

开机自检错误

Startup self-check error