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Perlick Dual-Zone Refrigerator Troubleshooting

Picture - Perlick Dual-Zone Refrigerator Troubleshooting

Perlick dual-zone refrigerators offer improved organization and high performance, making them indispensable units wherever they’re located. Although these machines are known for their dependability, issues may still occur on occasion. If you need information on how to keep your unit in working order, this Perlick dual-zone refrigerator troubleshooting guide will help you identify and resolve issues quickly and easily.

This information is for a variety of undercounter models, such as the HP24ZS residential refrigerator/freezer with drawers and the HC48RS commercial unit with doors

Refrigerator Not Running

  • Unit isn’t plugged in - Plug in the unit.
  • Machine isn’t turned on - Turn on the refrigerator.
  • Circuit breaker is tripped - Reset the breaker.
  • Condenser coil is dirty - Clean the condenser coil. See our video on how to clean a Perlick refrigerator condenser coil for step-by-step instructions.
  • Control isn’t set properly - Set the control correctly.

Unit Too Warm or Cool

  • Temperature control isn’t properly set - Adjust the temperature control to the correct setting. For drawer models, be sure to set the bottom to 0°F (-17.8°C) and the top to 36°F (2.2°C). If you’re not sure what the correct settings are for your model, check the owner’s manual.
  • The condenser coil is dirty - Clean the condenser coil. If you need more information on the procedure, refer to our Perlick refrigerator condenser coil cleaning video.
  • Drawer or door was left open - Close the drawer or door.
  • Gasket is damaged or dirty - Replace or clean the gasket.
  • Unit has been opened frequently lately - Reduce the number of times you open the refrigerator.
  • Warm product was recently placed in the unit - Allow 24 hours for the temperature to return to baseline. If 24 hours pass and the temperature is still elevated, contact a licensed technician to address the issue.
  • Light is on - Turn the light off.
  • Internal louvers and/or the fan guard is obstructed - Remove any obstructions from the louvers and/or fan. 

Unit Running Too Long

  • Condenser coil is dirty - Clean the condenser coil. If needed, see our instructional video for more information.
  • Drawer or door was left ajar - Close the drawer or door properly.
  • Warm product was placed in the unit recently - Wait for the temperature to fall over time.
  • Room temperature is warm - Use the thermostat to lower the room temperature. Keep in mind that it’s normal for the system to run longer on hot days .

Machine is Noisy

  • Soft sounds are coming from the compressor, fan motor and valves - A low humming, buzzing or swishing sound is part of normal operation. 
  • Crackling sounds are heard during the defrost cycle - A crackling or popping sound is part of normal operation. 

Light Stays on When Door Is Closed

  • Manual switch is on - Turn the manual switch off.

No Interior Light

  • Bulb is burned out - Replace the bulb.
  • LED board is inoperable - Reach out to an authorized technician for assistance.

Condensation Is Forming on the Inside or Outside 

  • Surrounding environment is humid - It’s normal for condensation to form on the refrigerator exterior when the room is humid.
  • Unit was opened frequently - Keep the machine closed in order to minimize condensation on the exterior.
  • Seal is worn or cracked - Replace the seal.
  • Drawer or door isn’t closed properly - Make sure the unit is closed tightly. If the drawer or door won’t close firmly, schedule a service call with a licensed technician.

Error Codes (HP24ZS Only)

LED Controller Display Is Flashing “dA”

  • Drawer or door is open - Shut the drawer or door firmly.

LED Controller Display Is Flashing “P1”

  • Thermostat probe is faulty - Seek the assistance of an authorized technician to correct the issue.

LED Controller Display Is Flashing “P2”

  • Evaporator probe is defective - Call a licensed technician to solve the problem.

LED Controller Display Is Flashing “HA” (High Interior Temperature)

  • Drawer or door isn’t closed completely - Ensure that the drawer or door is closed tightly.
  • Gasket is worn - Install a new gasket.
  • Condenser is dirty - Clean the condenser. For more information on the correct procedure, watch our video on cleaning a Perlick refrigerator condenser coil.
  • Louvered plate is obstructed - Clear the obstruction.
  • Interior light is on - Turn the interior light off.
  • Warm product was recently placed in the unit - Allow 24 hours for the internal temperature to return to normal. If the temperature is still elevated after 24 hours, call an authorized technician to address the issue.
  • Ambient temperature has increased - If the temperature of the surrounding environment rises, it’s normal for the interior temperature to rise as well.

LED Controller Display Is Flashing “LA” (Low Interior Temperature)

  • Refrigerator isn’t closed completely - Make sure that the unit is shut firmly.
  • Seal is cracked or damaged - Replace the defective seal.
  • Surrounding air temperature has decreased - If the ambient temperature around the unit drops, it’s normal for the interior temperature to decrease as well.

If you found this information helpful, be sure to take a look at the large collection of Perlick manuals and diagrams on our site.

Please contact a local authorized service agent who can help with these specific units and all your commercial kitchen equipment needs.