
Troubleshooting Chart (Continued)
  | Symptom  | Possible Cause(s)  | Corrective Action  | 
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  | 4 . Tank leaks  | 4  | . Check tank for leaks with soap and water solution. If  | 
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  | leak is detected, tank must be replaced with genuine  | 
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  | replacement part.  | 
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  | 5.  | Broken valves  | 5  | . Replace compressor valves as necessary.  | 
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  | 6.  | Piston ring worn  | 6  | . Replace piston and cylinder.  | 
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  | Excessive moisture in  | 1 . Excessive water in tank  | 1  | . Drain tank.  | 
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  | discharge air  | 2 . High humidity  | 2  | . Move to area of less humidity; use air line filter.  | 
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  | NOTE: Water condensation is not caused by  | 
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  | compressor malfunction.  | 
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  | Compressor runs  | 1 . Defective pressure switch  | 1  | . Replace switch.  | 
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  | continuously and safety  | 2 . Defective safety valve  | 2  | . Replace safety valve with genuine replacement part.  | 
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  | valve opens as pressure  | 
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  | Excessive starting and  | 1. Excessive condensation in tank  | 1  | . Drain more often.  | 
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  | stopping (auto start)  | 2 . Loose connections at fittings, tubing,  | 2  | . Check all connections with soap and water solution.  | 
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  | e t c .  | 
  | If a leak is detected, (1) tighten or (2) remove fitting  | 
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  | and apply pipe tape to threads and reassemble.  | 
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  | 3 . Tank leaks  | 3  | . Check tank for leaks with soap and water solution. If  | 
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  | leak is detected, tank must be replaced with genuine  | 
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  | replacement part.  | 
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  | Do not disassemble check valve | 
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  | with air in tank; bleed tank  | 
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  | Air leaking from  | 1 . Check valve stuck in an open position  | 1  | . Repair or replace check valve.  | 
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  | unloader valve on  | 2 . Unloader valve stuck in open position  | 2  | . Repair or replace unloader valve.  | 
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  | pressure switch  | 
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  | Do not disassemble check valve | 
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  | with air in tank; bleed tank  | 
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w w w . c h p o w e r . c o m
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