PROBLEM | CAUSE | CORRECTION |
Motor will not | Motor overload protection | Let motor cool off and over- |
run. | switch has tripped. | load switch will automatically |
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| reset. |
| Tank pressure exceeds | Motor will start automatically |
| pressure switch | when tank pressure drops |
| pressure. | below |
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| pressure switch. |
| Check valve stuck open. | Remove and clean, or replace. |
| Loose electrical connec- | Check wiring connection |
| tions. | inside pressure switch and ter- |
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| minal box area. |
| Possible defective motor | Have checked by a Trained |
| or starting capacitor. | Service Technician. |
| Paint spray on internal | Have checked by a Trained |
| motor parts. | Service Technician. Do not |
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| operate the compressor in the |
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| paint spray area. See flamma- |
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| ble vapor warning. |
| Pressure release valve on | Bleed the line by pushing the |
| pressure switch has not | lever on the pressure switch to |
| unloaded head pressure. | the "off" position; if the valve |
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| does not open, replace switch. |
| Fuse blown, circuit breaker | 1. Check fuse box for blown |
| tripped. | fuse and replace as nec- |
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| essary. Reset circuit |
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| breaker. Do not use a fuse |
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| or circuit breaker with |
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| higher rating than that |
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| specified for your particu- |
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| lar branch circuit. |
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| 2. Check for proper fuse. You |
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| should use a time delay |
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| fuse. |
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| 3. Check for low voltage |
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| conditions and/or proper |
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| extension cord. |
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| 4. Disconnect the other elec- |
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| trical appliances from cir- |
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| cuit or operate the com- |
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| pressor on its own branch |
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| circuit. |
Knocking Noise. | Possible defect in safety | Operate safety valve manually |
| valve. | by pulling on ring. If valve still |
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| leaks, it should be replaced. |
| Defective check valve. | Remove and clean, or replace. |
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21- ENG | D28071 |
