Perlick Refrigerator Error Code DA
Door alarm
Door alarm - the door has been left open.
First step from the service manual
Compressor and fans restart upon door closure.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for DA.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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What DA means on a Perlick refrigerator
The DA error code on a Perlick refrigerator indicates a door alarm condition, meaning the refrigerator door has been left open long enough to trigger the alert. This is a protective notification function built into the control system to prevent excessive warm air infiltration, which can compromise food safety temperatures and force the compressor and evaporator fan to work harder than intended. The alarm is generated when the door switch or door sensor detects a continuous open-door state beyond the unit's preset threshold time.
The door switch is the primary component involved in this alert. When the door is properly closed, the switch signals the control board that the compartment is sealed. If the switch fails to register closure, whether due to a physical obstruction, a misaligned door, a worn door gasket, or an actual faulty switch, the control board continues to treat the door as open and maintains the alarm state. The compressor and evaporator fans are typically suspended or reduced during a prolonged open-door event to avoid icing issues.
Upon closing the door, normal operation resumes: the compressor and fans restart as confirmed by the first diagnostic step. If the DA code persists after the door is confirmed closed, the likely culprits are a defective door switch, a door that is not sealing due to a damaged gasket or hinge misalignment, or a control board that is not correctly reading the switch input. Inspecting the door gasket for tears or gaps and verifying that the door closes fully and latches without resistance are the immediate physical checks a technician should perform.
Source: manufacturer service documentation.
Common causes of DA
- 01
Door left physically open
Wiring / connectionThe most straightforward cause is simply that the door was left ajar, either intentionally or accidentally. Closing the door fully will clear the alarm and restart normal operation.
- 02
Worn or damaged door gasket
Part replacementA cracked, compressed, or torn door gasket allows the door to appear closed while actually leaving a gap. Inspect the gasket around the full perimeter for deformation, tears, or areas that do not make firm contact with the cabinet frame.
- 03
Door misalignment or hinge issue
Part replacementIf the door hinges are worn or the unit is not level, the door may not close or seal correctly, keeping the door switch in an open state. Check that the refrigerator is level and that the door aligns evenly with the cabinet.
- 04
Faulty door switch
Part replacementThe door switch is the sensor that signals the control board when the door is open or closed. A switch that is stuck in the open position will keep the DA alarm active even when the door is physically shut. The switch can be tested for continuity with a multimeter.
- 05
Obstruction preventing full door closure
Wiring / connectionOverloaded shelves, improperly placed bottles, or items protruding from interior storage can physically block the door from closing completely. Check that no contents are interfering with the door's full range of motion.
Frequently asked questions about DA
What does DA mean on a Perlick refrigerator?
How do I fix the DA error code on my Perlick refrigerator?
Is it safe to store food in a Perlick refrigerator showing a DA error?
Will resetting the Perlick refrigerator clear the DA code?
How much does it cost to repair a Perlick refrigerator showing a DA door alarm error?
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