#68
Safe stop activated by HP (High Pressure) switch trip
Danfoss · FC302 AC Drives Programming Guide
What does #68 mean?
The system has initiated a safe stop due to the High Pressure (HP) switch tripping. This indicates that the system's internal pressure has exceeded its safe operating limits, triggering a protective shutdown to prevent damage to the compressor or other components within the refrigeration circuit. The system will not operate until this condition is cleared.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Reset the drive to clear the alarm and attempt to restart the unit.
Source: Danfoss FC302 AC Drives Programming Guide
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