Cause
- High pressure safety switch remains open for at least one minute.
| Components | Troubleshooting | Corrective actions |
|---|---|---|
| High Pressure Switch (HPS) | Test the HPS; refer to Checking High Pressure Switch, Section 6.9.1. | Replace HPS if defective, refer to Sensor Replacement, Section 6.24.2. |
| Refrigeration System | Check unit for air flow restrictions. | Clean or remove any debris from coils. |
