TROUBLESHOOTING GUIDE
| PROBLEM | CAUSE |
| CORRECTION |
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Air leak from safety valve. | Possible defect in safety valve. | Operate safety valve manually by pulling on ring. If |
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| valve still leaks, it should be replaced. |
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| Knocking Noise | Defective check valve. | Remove and clean, or replace. |
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| Compressor is not supplying | Prolonged excessive use of air. | Decrease amount of air usage. |
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| enough air to operate accesso- | Compressor is not large enough for air | Check the accessory air requirement. If it is higher than |
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| ries. |
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| requirement. | the SCFM or pressure supplied by your air compres- |
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| sor, you need a larger compressor. |
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| Hole in hose. | Check and replace if required. |
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| Check valve restricted. | Remove and clean, or replace. |
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| Air leaks. | Tighten fittings. (See Air Leaks Section of |
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| Troubleshooting Guide.) |
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| Motor will not run. | Tank pressure exceeds pressure switch | Motor will start automatically when tank pressure |
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| drops below |
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| Wrong gauge wire or length of exten- | Check for proper gauge wire and cord length. |
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| sion cord. |
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| Check valve stuck open. | Remove and clean, or replace. |
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| Loose electrical connections. | Check wiring connection inside pressure switch and |
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| terminal box area. |
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| Paint spray on internal motor parts. | Have checked at an Authorized Warranty Service |
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| Center. Do not operate the compressor in the paint |
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| spray area. See flammable vapor warning. |
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| Possible defective motor. | Have checked at an Authorized Warranty Service |
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| Center. |
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| Fuse blown, circuit breaker tripped. | 1. Check fuse box for blown fuse and replace, if |
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| necessary. Reset circuit breaker. Do not use a |
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| fuse or circuit breaker with higher rating than that |
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| specified for your particular branch circuit. |
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| 2. Check for proper fuse. You should be using a |
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| time delay fuse. |
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| 3. | Check for low voltage conditions and/or proper |
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| extension cord. |
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| 4. | Disconnect the other electrical appliances from |
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| circuit or operate the compressor in its own |
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| branch circuit. |
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| Pressure release valve on pressure | Bleed the line by pushing the lever on the pressure |
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| switch has not unloaded head pres- | switch to the “off” position; if the valve does not open, |
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| sure. | replace it. |
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| Regulator knob continuous air | Dirty or damaged regulator internal | Replace regulator. |
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| leak. Regulator will not shut off | parts. |
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| at air outlet. |
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D23708 | |
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