How-To Troubleshoot A Single Stage Compressor
Single Stage Air Compressors
Troubleshooting Chart
| SYMPTOMS | POSSIBLE CAUSE | CORRECTIVE ACTION |
| Low discharge pressure |
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| Pump overheating causes air filter to melt |
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| Excessive noise (knocking) |
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Large quantity of oil in the discharge air NOTE: In an oil lubricated compressor there will always be a small amount of oil in the airstream. |
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| Water in discharge air/tank |
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| Motor hums and runs slowly or not at all |
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Reset mechanism cuts out repeatedly or fuses blow repeatedly |
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| Tank does not hold pressure when compressors off and the shut off valve is closed |
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| Pressure switch continuously blows air out the unloader valve |
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| Pressure switch does not release air when the unit shuts off |
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| Excessive Vibration |
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Jul 19, 2021
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