AL28 Low Suction Pressure

Cause
  • Suction pressure too low for normal operation
Components Troubleshooting Corrective actions
N/A Power cycle the unit. Resetting the unit may correct problem, monitor the unit.
Suction Pressure Transducer (SPT) Confirm accurate SPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2. Replace SPT if defective.
Discharge Pressure Transducer (DPT) Confirm accurate DPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2. Replace DPT if defective.