Compact、Optimum故障码及报警代码
| 报警代码（故障码） | 闪烁次数 | 描述 | 可能原因 |
| 0 | 8 | BATTERY LOW | 蓄电池电量低于5%等 |
| AL01 | 3 | EVP NOT OK | YV7等接线故障 |
| AL06 | 6 | SERIAL ERROR #1 | 上控串口卡接线故障 |
| AL10 | 2 | WEIGHING CARD KO | 称重板故障等 |
| AL13 | 6 | EEPROM KO | 电擦写内存故障 |
| AL32 | 3 | VMN NOT OK | 静止时VMN低故障 |
| AL37 | 4 | CONTACTOR CLOSED | 总电源开关故障 |
| AL38 | 4 | CONTACTOR OPEN | 总电源开关触点故障 |
| AL49 | 5 | I = 0 EVER | 电流输出始终为0 |
| AL53 | 5 | STBY I HIGH | 静止时电流高故障 |
| AL60 | 3 | CAPACITOR CHARGE | 启动时电容器不充电 |
| AL62 | 9 | TH PROTECTION | 变数箱温度过高 |
| AL73 | 1 | POWER FAILURE #1 | 总电源接触器短路等 |
| AL74 | 4 | DRIVER SHORTED | 总电源接触器辅助接点短路等 |
| AL75 | 4 | CONTACTOR DRIVER | 总电源接触器辅助接点不能自动吸合等 |
| AL78 | 2 | VACC NOT OK | 操作手柄故障 |
| AL79 | 2 | INCORRECT START | 启动顺序错误 |
| AL80 | 2 | FORW+BACK | 手柄或串口卡故障 |
| AL90 | 4 | DRIVER 1 KO | YV6线圈故障 |
| AL91 | 2 | VERSION NOT OK | 固件版本不一致 |
| AL93 | 0 | WRONG INPUT CONF. | 驱动器与下控有故障 |
| AL94 | 6 | MICRO CONTROL KO | 微控制故障 |
| AL95 | 7 | PRESSURE NOT OK | 压力控制故障 |
| AL96 | 7 | HEIGHT 8 METERS | 平台到达最大高度 |
| AL97 | 5 | CURR. PROTECT. | 电流达到最大值 |
| AL98 | 0 | NONE | 变数器与多功能显示器不一致 |
| AL99 | 6 | CHECK UP NEEDED | 需要维护工作 |