Everlasting Pr1 Error Code

What does Everlasting Pr1 mean?

Pr1 means the temperature controller has lost a usable reading from the cell (chamber) probe that measures the internal cabinet temperature. The manual states the internal probe is damaged. Because the controller can no longer regulate on a real temperature, the compressor keeps running on a fixed duty cycle instead of holding the set point, so storage temperature is no longer guaranteed.

Symptoms

• Pr1 shown on the controller display, alternating with the cabinet temperature
• Alarm LED lit and the buzzer sounding
• Compressor runs on a fixed on/off duty cycle rather than to set point
• Internal temperature drifts away from the configured set point

Common causes

• Cell/chamber probe (internal probe) failed or out of range
• Probe wire broken, pinched, or disconnected from the controller
• Corroded or loose probe connector at the controller terminals
• Moisture or physical damage to the probe inside the cabinet

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Diagnostic steps

1. Confirm the code

   Read the display: it alternates the active alarm (Pr1) with the cabinet temperature until the fault clears. Note that the compressor is running on a safety duty cycle, not to set point.

2. Inspect the probe wiring

   Power down and check the cell probe lead for breaks, pinching, or a loose connector at the controller terminals. Reseat any connection that is loose.

3. Check probe placement

   Verify the cell probe is secured in its correct position inside the compartment and is not damaged or submerged in condensate.

4. Protect the load

   Because temperature is no longer controlled accurately, move perishable product to working storage until the probe is repaired.

5. Contact technical support

   The manual directs that a damaged probe be handled by authorized service; arrange probe replacement with the dealer or technical support.

When to call a professional

Call Everlasting technical support or your authorized dealer if the wiring and connector checks do not clear Pr1, because the manual identifies the internal probe as damaged and reserves probe replacement and electrical repair for authorized specialist personnel. While the code is active the cabinet runs on a duty cycle and cannot guarantee storage temperature, so do not rely on it for food safety until a technician restores probe control.