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Part number 20078, Rev 0 

 

PROBLEM: 

POSSIBLE CAUSE / SOULTIONS: 

Compressor noises 

  Compressor may be overheated.  Please check the 

room temp and ensure the range is within 65°F to 85°F.  
If the problem still exists, call for service. 

Moisture collects inside 

  Door gasket is not sealing properly. Check for debris, 

cracks, and items passing through door at the gasket.                                                             

  The refrigerator or freezer is facing a doorway or is 

underneath of air conditioning vent. Relocate the unit or 
redirect air vent. 

  Too many door openings. Minimize time door is open. 

  Hot, humid weather increases condensation. 

  Make sure there is a water trap (U-shaped loop) in the 

drain tube near the compressor. This will “trap” a small 
amount of water in the loop and prevent air from entering 
the chamber through the tube.  

Moisture collects on outside 
surface 

  Hot, humid weather increases condensation. 

  As humidity decreases, moisture will disappear. 

Odor inside the unit 

  Interior needs to be cleaned.  See section on 

maintenance and cleaning in this manual.  

  Make sure product containers are tightly sealed to 

prevent leakage 

Door will not close 

  The unit is not level. Refer to the Leveling section at the 

beginning of this manual 

  Check for dirt and debris or items passing through the 

door seal. 

 

MOISTURE DURING THE SUMMER SEASON 

The amount of moisture, condensation, or high humidity related issues increase during the summer 

and, in most cases, will self-resolve when the weather cools down.  Please note a refrigeration 

system does NOT generate moisture or water but simply condenses the moisture that is already in 

the chamber. Keeping the unit in an air conditioned, low humidity space will resolve many issues. 

Other things you should check 

1.

 

Location of the refrigerator (See Quick Troubleshooting Guide above) 

2.

 

Door sealing and frequency of door opening event (See Quick Troubleshooting Guide above) 

3.

 

Make sure there is a water trap (U-shaped loop) in the drain tube near the end. This will 

“trap” a small amount of water in the loop and prevent air from entering the chamber 

through the tube.  

 

BEFORE CALLING THE MANUFACTURER’S TECHNICAL SUPPORT DEPARTMENT, 

please have the 

unit’s model and serial number ready as well as the problem description.  The model and serial 

number is located on the serial tag which can be found on the interior left upper wall of the 

unit. 

 

 

Summary of Contents for ABT-9R

Page 1: ...ry Make sure you get a signed copy Send a written request for an inspection to the carrier B Concealed Damage This type of damage may not be discovered until the unit is being unpacked When concealed...

Page 2: ...e the unit s model and serial number ready as well as the problem description The model and serial number is located on the serial tag which can be found on the interior left upper wall of the unit Fo...

Page 3: ...y receipt acknowledging the damage This has to happen at the time of delivery or it won t happen at all Keep a copy for your records and send another to the carrier s damage claims department along wi...

Page 4: ...circuit is recommended to prevent possible loss of product due to over loading or failure of other equipment on the same circuit PROTECT THE CIRCUIT WITH A 20 AMP DELAY TYPE FUSE OR CIRCUIT BREAKER Do...

Page 5: ...elf clips making sure all corners are seated properly Temperature control NOTE The control is preset at the factory to provide the desired air and product temperatures inside of the unit and requires...

Page 6: ...cking the evaporator fan s if installed There should be at least 4 inches of clearance below the fan s to allow proper air flow Do not overload the unit Maximum suggested load is about 75 of chamber c...

Page 7: ...placements are pushed against rear wall or interrupted the proper refrigerator air circulation For the proper air circulation place the products evenly on each shelf Do not push against the refrigerat...

Page 8: ...prevent leakage Door will not close The unit is not level Refer to the Leveling section at the beginning of this manual Check for dirt and debris or items passing through the door seal MOISTURE DURIN...

Page 9: ...water out of sponge or cloth before cleaning around controls light bulb or any electrical parts Glass Doors if applicable Soap and water Clean the glass with a mild detergent and water on a soft clot...

Page 10: ...Y In addition to the two 2 year warranty stated above Horizon Scientific Inc warrants its hermetically and semi hermetically sealed compressors to be free from defects in both material and workmanship...

Page 11: ...od or other external causes It does not apply to defects resulting from failure to properly install operate or maintain the product in accordance with the printed instructions provided or damage cause...

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