CPS Pro-Set VP10D Operation Manual - Page 10
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OPERATION
Condition
Unusually noisy
High temperature
Poor vacuum
Oil leaks
Pump does not start
Thermal cutout
Troubleshooting Chart
Possible Problem
1. Bad bearings.
2. Loose motor bolts.
3. Coupling drive.
4. Dirty, low, or improper oil.
5. Air leaks in connections.
1. Low or improper voltage.
2. Worn bearings.
3. Low oil level.
1. System leaks.
2. Low oil level.
3. Dirty oil.
4. Air leaks at connection.
5. Air leak through seal.
6. Worn rotary mechanism.
1. Oil leaks through exhaust.
2. Oil leaks through shaft seal.
3. Oil leaks through
reservoir.
4. System vented pressure.
5. Pump tipped over.
1. No power to motor.
2. Damaged motor.
3. Thermal cutout.
1. Low or incorrect voltage.
2. Cold weather.
3. Dirty Oil.
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Solution
1. Replace motor.
2. Tighten bolts.
3. Adjust or replace coupling.
4. Replace oil.
5. Fix leaks.
1. Check power source
voltage.
2. Replace motor.
3. Add or replace.
1. Fix leaks.
2. Add or replace oil.
3. Flush and replace oil.
4. Fix leaks.
5. Replace shaft seal.
6. Replace cartridge.
1. Oil level too high.
2. Replace shaft seal.
3. Tighten bolts or replace
gasket.
4. Check oil level.
5. Check oil level.
1. Check fuses in IEC panel.
2. Replace motor.
3. Wait for thermal switch
to reset. Check for cause of
thermal.
1. Check voltage, move
voltage selector switch to
correct setting.
2. Start and run vacuum
pump with the intake
fitting open for 1 minute
to warm up oil.
3. Flush and replace oil.