Troubleshooting an Instrument-Air Compressor and Dryer Sequence
We investigated an instrument-air compressor and dryer system where the compressor, dryer regeneration, drain valves, and pressure control were not operating as expected. Initial symptoms included: Dryer not regenerating properly Water accumulating in the air system Drain valves not operating correctly Instrument-air leakage Compressor pressure cycling abnormally Initial hypotheses included: Faulty solenoid valves Actuator problem Instrument-air leakage Pressure switch problem Electrical cable fault Incorrect sequence timing During investigation, several individual faults were found. ...