Commercial Refrigeration

E04: Door open longer than permitted

True Refrigeration T-23

Safe preliminary checks permitted

Documented meaning

The door switch reported the door open beyond the configured delay.

Model variants covered: see the model record

Documented possible causes

· Door not self-closing
· Gasket or hinge misalignment
· Door switch stuck

Safe preliminary checks

· Check the door closes fully on its own

Professional service required

· Check the door closes fully on its own
· Inspect the gasket for damage
· Keep delivery loading brief in warm weather
· safe_checks_permitted

Stop and call a professional if you see

· Burning smell, smoke, water on live parts or a tripped protective device
· Unusual noise, vibration or a refrigerant leak