AL08 High Compressor Pressure Ratio

Cause
  • Controller detects discharge pressure to suction pressure ratio is too high. The controller will attempt to correct the situation by restarting the compressor.
Components Troubleshooting Corrective actions
Discharge Pressure Transducer (DPT) Confirm accurate DPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2. Replace DPT if defective.
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