Terry's A/C & Refrigeration - Phoenix, AZ
Terry's A/C & Refrigeration - Phoenix, AZ


Walk in Cooler Repair

Phoenix, AZ

CALL US: (480) 933-6601

Looking for the best walk-in cooler repair in Phoenix, AZ?

Looking for a business that will schedule a service within twenty-four hours? Unlike other companies, we know your time is valuable so we make sure to have someone out to your location within a day. So make sure that you put your commercial refrigeration needs first and go with a company that values your time. We also service commercial ice machines and do HVAC services as well. So call us today and learn how we can help your business. Terry's AC & Refrigeration - Phoenix, AZ

Walk in Cooler Repair Waco
Walk-in Cooler Repair Phoenix

Walk-in Cooler Repair Phoenix

Do you have a walk-in cooler problem in Waco and need repair ASAP? Terry's AC & Refrigeration offers very responsive, reliable walk-in cooler repair services from highly skilled refrigeration repair technicians. Terry's AC & Refrigeration has been providing repair services for walk-in coolers and most other cooling and heating units whether for home or commercial use for years all around Waco and Surrounding Communities.

Walk-in Cooler Repair Phoenix

Terry's AC & Refrigeration has experience with many different makes and models. Our walk-in cooler repair expertise enables us to provide comprehensive diagnostics in a quick manner helping our customers to get back up and running with minimum downtime.

Walk in Cooler Repair Phoenix

Terry's AC & Refrigeration provides you with the highest level of customer support for a complete level of satisfaction. Our walk in cooler repair technical support team is available to serve our valued customers 24/7, 7 days a week! Anywhere in Waco and all surrounding Cities. We use manufacturer recommended parts and have worked with all different brands and models.

Troubleshoot Walk-In Cooler

If you're experiencing issues with your walk-in cooler in Phoenix and want to troubleshoot the problem yourself, here are some steps you can take:

  1. Check the Power Supply: Ensure that the walk-in cooler is receiving power. Check the circuit breaker or fuse box to make sure the breaker hasn't tripped or the fuse hasn't blown. If there is power but the cooler is not running, proceed to the next step.
  2. Temperature Setting: Verify that the temperature controls are set correctly. Sometimes, accidental adjustments can cause the cooler to malfunction. Set the temperature to the desired level and give it some time to see if it starts cooling.
  3. Condenser Unit: Examine the condenser unit, usually located outside the building. Check for any visible damage, debris, or blockage that may hinder proper airflow. Clean the condenser coils if they are dirty using a soft brush or vacuum cleaner. Ensure that the fan is running smoothly.
  4. Evaporator Unit: Inside the walk-in cooler, inspect the evaporator unit. Look for ice or frost buildup on the evaporator coils, which could indicate a problem. If you see excessive frost, it may be a sign of a defrost system malfunction.
  5. Door Seals: Check the door seals for any signs of wear or damage. Worn-out or broken door seals can lead to temperature fluctuations and inefficient cooling. Replace any faulty seals to maintain proper insulation.
  6. Refrigerant Level: Low refrigerant levels can cause cooling issues. However, checking and adding refrigerant should be performed by a licensed technician, as it requires specialized equipment and knowledge.

If you've gone through these troubleshooting steps and the issue persists, it's advisable to contact a professional walk-in cooler repair service in Phoenix. They have the expertise and equipment to diagnose and fix more complex problems.

Malfunction Possible Causes Solution
Power is on, but control board does not display.
  1. Phase loss or fuse blown.
  2. Power phase open or transformer shorted.
  3. Control board failure.
  1. Check wiring for breaks and replace fuse.
  2. Check Transformer output voltage (12V)
  3. Replace cold storage room control board.
Control board displays, but compressor does not run.
  1. Compressor relay tripped.
  2. Hi-Lo pressure safety switch shut down.
  3. Defective contactor or coil.
  4. Cold room temperature is lower than operation setpoint.
  5. Internal thermal overload tripped.
  6. Compressor malfunction.
  1. Determine reason and take correct action.
  2. Determine type and cause of shutdown and correct it before resetting safety switch.
  3. Repair or replace.
  4. Reset operation temperature setpoint.
  5. Wait until compressor cools down for reset.
  6. Check compressor motor winding.
High discharge pressure.
  1. Dirty Condenser coil.
  2. Fan not running.
  3. System overcharged with refrigerant.
  1. Clean walk-in cooler and walk-in freezer condenser coils.
  2. Check fan motor and its electrical circuit.
  3. Reclaim excess refrigerant.
Low discharge pressure.
  1. Insufficient refrigerant in system.
  2. Low suction pressure.
  1. Check for leaks; repair and add charge.
  2. See corrective steps for low suction pressure.
High suction pressure.
  1. Excessive load.
  2. Expansion valve overfeeding.
  1. Reduce load.
  2. Regulate superheat.
Low suction pressure.
  1. Lack of refrigerant.
  2. Plugged suction filter.
  3. Evaporator dirty or iced.
  4. Fan not operating.
  5. Expansion valve underfeeding.
  1. Check for leaks. Repair and add charge.
  2. Replace suction filter.
  3. Clean and defrost.
  4. Check fan motor and circuit control.
  5. Regulate superheat.
Large difference between actual cold storage room temperature and set point on control panel.
  1. Incorrect room temperature.
  2. Sensor placement, wire too long.
  3. Sensor contactor open.
  1. Re-position sensing point of temperature sensor.
  2. Enlarge wire section.
  3. Reconnect sensor.
Heavy frost builds up on evaporator fins. Too much time between defrost cycles or incomplete defrosts. Manual defrost and adjust defrost cycle.
High temperature alarm.
  1. Overload and door open excessively.
  2. Bad refrigeration performance.
  3. Heavy frost build-up on evaporator.
  1. Reduce load and door opening.
  2. See corrective steps for discharge and suction pressure malfunctions.
  3. Manual defrost and adjust defrost cycle.
Coil not clearing off frost during defrost cycle.
  1. Heater malfunction.
  2. Not enough defrost cycles per day.
  1. Check heater operation.
  2. Adjust defrost control.
Ice accumulating in drain pan.
  1. Heater malfunction.
  2. Not enough defrost cycles per day.
  1. Check heater; replace if necessary.
  2. Clean drain line.
Display screen flashes, unit emits humming noise. Observe alarm indicator. See alarm indicator for remedy.


"One of the Best Refrigeration Repair Companies I have ever worked with"

~ Bo Bryan