What conditions to stop the submersible pump?

When we are in the use of submersible pump is sometimes encounter emergency, this time we are need to submersible pump to stop immediately, because only in this way our submersible pump will not what big problem, no matter what we in the use of machinery equipment are going to have some problems for certain, actually encounter problems are not so terrible, but we don't know what to do after have problems is the most terrible, so today we're going to tell you what to meet what problem we need to immediately after our submersible pump to stop. First we need to know is, in the use of submersible pump we found that the seamless steel tube current suddenly became high, and beyond the rated value, this time we are must of submersible pump will stop for inspection, and we found in the use of submersible pump water yield began to abnormal, for a moment out of the water for a while not out of the water, and our submersible pump in the water when the water contains impurities, this time we also need to immediately stop the pump.