ESIE10-01 Alarms and Events
Part 3 – Troubleshooting 3–25
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1.4.7 Mechanical High Pressure Switch
Alarm description (as shown on screen): Mech High Pressure Sw N.
Trigger: Mechanical High Pressure switch input is low AND Emergency Stop Alarm is not active.
(Opening emergency stop switch kills power to MHP switches).
Action Taken: Rapid stop circuit.
Reset: This alarm can be cleared manually via the Unit Controller keypad if the MHP switch input is
high.
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