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Troubleshooting Guide
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Caution: Read all safety information found in this manual and in the Material Safety Data Sheet (MSDS) for the refrigerant you are using before servicing this machine
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Symptom
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Cause
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Solution
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Compressor will not start.
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Power cord not plugged in or plugged into a bad outlet.
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Check power cord, try a different outlet.
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Machine in high pressure shut off.
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See symptom below.
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Motor in thermal overload.
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Allow motor to cool down.
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Compressor tries to start but just makes a buzzing sound.
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Low voltage caused by poor source power, small gauge ex-tension cord or too long of an extension cord.
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Locate better outlet, reduce length of extension cord and use a heavy gauge cord.
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Too much back pressure on compressor.
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Close the input valve to relieve any back pressure on compressor.
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Machine pumps into high pressure shut off.
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Valve on machine or tank closed.
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Check to see if valves are opened and are not plugged.
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Restriction in output hose.
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Check hose for blockage and remove any core depressors.
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Relieve pressure from output hose to reset switch.
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Pumps liquid slowly.
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Restriction in flow.
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Use proper size hoses and if possible remove any core depressors and Schraeder valves.
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Trapped liquid in system.
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Cycle system compressor for a few seconds to move trapped liquid to another area.
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