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The reason why the haokaide rotary vane vacuum pump does not work

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Haokaide rotary vane vacuum pump will encounter the phenomenon that the vacuum pump does not work during use or after replacing the rotary vane. Why does this happen?

I. the vacuum pump of vacuum packaging machine does not work or there is serious noise, which may be due to the following reasons: 1. Lack of phase of power supply or open circuit of fuse. Solution: check the incoming line of power supply or change the fuse core. 2. The vacuum pump reverses, and the solution is to change the phase of the power supply. 3. The main contact point of IC has poor contact. Solution: adjust or replace it. 4. The ISJ normally closed contact is poor. Solution: adjust or replace it. 5. The reason why the vacuum pump does not stop for overtime is that the ISJ does not work. The solution: repair or replace it. II. The reasons for not reaching the specified limit vacuum degree are as follows: 1. The vacuum pump oil is too little or polluted. The solution: refuel or change the oil. 2. If the vacuum pump smokes or leaks, the solution: clean the vacuum pump, replace the exhaust filter, and check the check valve. 3. The gas circuit is not tightly sealed. Solution: check the gas circuit and eliminate leakage. 4. 2DT iron core is stuck and does not reset. Solution: maintenance or cleaning. 3. The vacuum packaging machine shall be replaced with the following methods: 1. There are several reasons for vacuum packaging leakage or not. 2. There is no vacuum in the heat sealing gas chamber during vacuum. Solution: 1dt does not work and it is eliminated through maintenance. 3. The sealing gasket on the 1dt iron core or the sealing ring in the magnetic cover leaks. The solution: repair or replace it. IV. the reasons for no heat seal may be as follows: 1. The nickel chromium skin is burned. The solution: replace it with a new one. 2. The heat seal return line is loose and open circuit. Solution: tighten and reconnect. 3. 2C main contact has poor contact. Solution: adjust or replace it. 4. 2C does not work. Solution: check whether 1sj normally open and 2sj normally closed contacts are in good condition. 5、 The reasons for insufficient sealing strength may be as follows: 1. The temperature adjustment time is too low and too short. The solution: readjust. 2. The vacuum time adjustment is too short. Solution: readjust it to make it ≤ -0.08mpa. 3. The heat seal gas chamber is broken. Solution: replace it. Vi. the reasons for uneven sealing plane or melting corrosion may be as follows: 1. The temperature and time adjustment are too high and too long. The solution: readjust. 2. 2sj does not work. Solution: readjust, repair or replace it (if the heat seal delay is too long, cut off the power supply in time). VII. No gas return after heat sealing may be due to: 1. Poor contact of 2sj normally open. Solution: adjust or replace it. 2. 2DT does not work. Solution: repair or eliminate the fault.

there are several reasons why haokaide rotary vane vacuum pump does not work: (detailed explanation of yazhireid electromechanical)

the contact between rotary vane and pump body is blocked due to the small end clearance of rotary vane vacuum pump

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because there are sundries in the pumped container, the sundries enter the pump body, so the rotary vane vacuum pump does not work

if it is a haokaide rotary vane vacuum pump cooled by external water, the vacuum pump product is stuck, which is likely to be the reason for the high temperature of the vacuum pump caused by insufficient cooling water or lack of cooling water

another reason why the rotary vane vacuum pump does not work is that the rotor of the rotary vane vacuum pump is broken

the rotary vane vacuum pump does not work because the pump cavity of haokaide rotary vane vacuum pump is rusted

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