LEYBOLD DRYVAC DV 200

Questions and Answers

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Annette ByrdAug 17, 2025
Why LEYBOLD Water Pump does not attain its pumping speed?
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  crosbyashleyAug 17, 2025
  If your LEYBOLD Water Pump does not attain its pumping speed, it could be due to several causes: * Clogged intake screen: Clean the intake screen. * Incorrectly connected motor: Connect the motor correctly. * Defective motor stator or rotor: Contact Leybold Service. * Gas leak in the vacuum pump system: Detect and seal the leak. * Excessive rotor gap or defective bearing: Contact Leybold Service.
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James CarrollAug 20, 2025
What to do if my LEYBOLD Water Pump is losing lubricant?
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  Justin HorneAug 20, 2025
  If your LEYBOLD Water Pump is losing lubricant, possible causes include: * Leaky oil drain plug: Drain the lubricant, firmly screw in a new oil drain plug with a gasket, and fill in the correct amount of lubricant. * Leaky oil level glasses: Replace the O-ring of the gear cover. * Leaky gear cover: Contact Leybold Service immediately and shut down the pump. * Leak in the seal with a puddle under the motor: Refer to the malfunction 'Lubricant in the pump chamber'.
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Robert CastroAug 25, 2025
How to troubleshoot start up issues with LEYBOLD Water Pump?
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  James JacksonAug 25, 2025
  If your LEYBOLD Water Pump does not start up and EF2, EF3, or 100FT is displayed on the frequency converter, try the following: * Connect the motor correctly. * Replace the pressure switch. * Exchange the lubricant or warm up the lubricant and pump. If these steps don't resolve the issue, contact Leybold Service.
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montgomerysusanAug 28, 2025
What to do if there is lubricant in the pump chamber of LEYBOLD Water Pump?
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  Miranda PerryAug 28, 2025
  If there is lubricant in the pump chamber of your LEYBOLD Water Pump, possible causes include: * Excessive lubricant level: Drain the lubricant down to the correct level. * Lubricant ejection from the system: Check the system. * Pump not standing horizontally: Place the pump correctly. * Gas leak: Run a leak search and pinpoint leaks. * Internal leak: If the leak isn't at the oil-fill or oil-drain plugs, return the pump to Leybold Service. * Defective shaft seals: Contact Leybold Service.
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Rebecca HallSep 1, 2025
Why does the oil in my LEYBOLD Water Pump get too dark?
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  Edwin HallSep 1, 2025
  If the oil in your LEYBOLD Water Pump gets too dark, it may be because the oil has been used up, in which case you should exchange the oil. It could also be because the pump is getting too hot. Refer to the troubleshooting steps for 'Pump gets too hot,' and after resolving that issue, exchange the oil.
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jessicaharrisSep 5, 2025
What causes a ground fault in LEYBOLD Water Pump?
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  kevinmurphySep 5, 2025
  If you encounter a 'Ground Fault' with your LEYBOLD Water Pump, it could be due to: * Ground leakage current exceeding 50% of the frequency converter's rated output current: Check the output wiring and the motor for short circuits or broken insulation, and replace any broken parts. * Broken cable or motor insulation: Reduce the carrier frequency.
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wilkinskevinSep 9, 2025
How to fix 'Fault Check the upper controller program' on LEYBOLD Water Pump?
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  gonzaleztoddSep 9, 2025
  To address the 'Fault Check the upper controller program' error with your LEYBOLD Water Pump: * If a forward and reverse command were input simultaneously for longer than 500 ms: Check the sequence and ensure that the forward and reverse inputs are not set at the same time. * If an external fault was triggered by an external device via one of the digital inputs S1 to S3: Identify why the device tripped the EF, remove the cause, and reset the fault.
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Derrick ChaneyNov 12, 2025
Why does my LEYBOLD Water Pump get too hot?
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  Joseph SheaNov 12, 2025
  If your LEYBOLD Water Pump gets too hot and a Pt 1000 alarm is indicated on the frequency converter, it could be due to several reasons: * Insufficient cooling water supply: Ensure that the cooling water supply is adequate. * Clogged cooling water lines: Decalcify the cooling water lines. * High ambient temperature or obstructed cooling airflow: Install the pump in a suitable location or ensure sufficient cooling air flow. * Incorrect pressure range: Check the pressure levels within the system. * High gas temperature: Check the system. * Small clearance between housing and rotors due to contamination or distortion: Clean the pumping chamber. * High friction resistance due to contaminated bearings or lubricant: Affix and connect the pump free of tension. * Incorrect lubrica...