键按下后指示灯不闪烁，没有任何反应：
After pressing the key, the indicator light does not flash and there is no response:
处理： 检查电源是否接通。
Handling: Check if the power supply is connected.
2、发射器的指示灯不亮，也没有输出动作，但发射器的电源插座是插入的；
2. The indicator light of the transmitter is not on and there is no output action, but the power socket of the transmitter is plugged in;
处理：看查“压入旋出”的急停钮是不是已经被压下了；
Handling: Check if the emergency stop button for "pressing in and out" has been pressed down;
3、当接收系统在送电后，S Q灯只亮绿色：
3. When the receiving system is powered on, the S Q light only turns green:
处理：发射器持续发射, 或接收系统CPU处于保护模式当中，可令天车总电源断电，再行开启重新设定，如仍无好转请立即与您的供应商连络；
Processing: If the transmitter continues to transmit, or the receiving system CPU is in protected mode, the main power supply of the crown block can be cut off, and then it can be turned on and reset. If it still does not improve, please contact your supplier immediately;
4、天车不动作或是自行走动，发射器使用遥控时不能操控：
4. The crown block does not move or moves on its own, and the transmitter cannot be controlled using the remote control:
处理：大部分是天车有故障发生，把天车维修好即可；
Handling: Most of the problems with the crown block occur, just repair the crown block properly;
5、当输出接点的指示灯亮着（Main），但对应的继电器却一点动作都没有：
5. When the indicator light of the output contact is on (Main), but the corresponding relay does not act at all:
处理：保险丝F1断了（Main），把保险丝更换成新的；
Handling: Fuse F1 is broken (Main), replace the fuse with a new one;
6、发射器的电源插头已插入，而且急停按钮也被按出了，但指示灯还是不闪：
6. The power plug of the transmitter has been inserted and the emergency stop button has been pressed out, but the indicator light still does not flash:
处理：（1）看电量较足的电池是不是已经装好了；
Handling: (1) Check if the battery with sufficient power has been installed;
（2）看接点处是不是有氧化的地方，若是有的话，可使用砂纸轻磨电池盒的接点处；
(2) Check if there is oxidation at the contact point. If there is, use sandpaper to lightly grind the contact point of the battery box;
（3）看电池的正负级是不是装反了，若是，与电池盒上方所示方向调整一致即可；
(3) Check if the positive and negative stages of the battery are installed upside down. If so, adjust them in the same direction as shown above the battery box;
7、当接收系统在送电后，LED灯不亮：
7. When the receiving system is powered on, the LED light does not light up: