一、不进重车1.观察空车灯是否亮(1)如不亮则说明是电源或者地线出现问题,检查空车灯的供电和接地线即可。(2)如亮则首先要判断是空车灯还是计价器的问题:将空车灯插头拔下来,短接计价器端的插头(将空车灯信号线和地线短接),如计价器进重车则说明计价器端是好的,问题在于空车灯;如计价器不进重车, First, not into the car 1. Observe whether the empty car light (1) If not bright then there is a problem with the power or ground, check the empty lamp power supply and ground can be. (2) If the light is the first to determine the problem of empty lights or meter: Unplug the empty car light, short-circuit meter end of the plug (the empty light signal line and ground short), such as meter Into the heavy car is indicating that the meter end is good, the problem is empty lights; meter does not enter the heavy truck,