00053high
Box Temp Out-of-Range
refrigeration
Description
A compartment temperature has drifted outside the acceptable range for an extended period.
Activation Conditions
Compartment temperature out of range for 30-45 minutes.
Unit Behavior
Alarm, may shutdown if configured.
Reset Conditions
Auto reset when temperature returns to acceptable range.
Corrective Actions
1. Check all door seals and gaskets — a damaged seal is the most common cause. 2. Check that the unit is operating correctly (listen for unusual noises). 3. Check the load conditions (was the cargo pre-cooled?). 4. Verify the setpoint is correct for the cargo type. 5. Check for excessive door openings.