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Part number 20220, Rev 0 
 

10 

 

PROBLEM: 

POSSIBLE CAUSE / SOULTIONS: 

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. 

The display shows “SO” and 
the compressor does not run 

 

The temperature sensor is open. Call for service.                                                                                                                                                                                                                                                                                                                                                       

The display shows “SC” and 
the compressor does not run 

 

The temperature sensor is shorted. Call for service.  

The display shows “HH” and 
the compressor does not run 

 

The ambient temperature is above 40C/104F. Stop using 
immediately. 

The display shows “LL” and the 
compressor does not run 

 

The ambient temperature is below -40C/-40F. Stop using 
immediately.  

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 SERVICE 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 PH-ABT-UCFS-0204G

Page 1: ...driver at time of delivery 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...

Page 2: ...EPARTMENT 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 OR ri...

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: ...on this unit POWER SOURCE The supply circuit to this cabinet must conform to all National and Local Electrical Codes Consult the cabinet Serial Data plate for voltage cycle phase and amp requirements...

Page 5: ...product in the cabinet The motor compressor may start and stop several times when the unit is first started or after defrosting especially if the weather is very hot This is normal The motor compresso...

Page 6: ...perly The digital temperature controller is located on the front panel of the refrigerator It normally displays the current temperature inside of the unit and has several additional functions includin...

Page 7: ...ng 25 minutes will take the unit out of the defrost cycle PROGRAM MODE Note Most of the functions in Program Mode are for factory use only and should not be adjusted This procedure will show you how t...

Page 8: ...ides of the unit to allow for proper air flow and therefore more even cooling of the product When loading the top shelf avoid blocking the evaporator fan s if installed There should be at least 4 inch...

Page 9: ...the proper refrigerator air circulation For the proper air circulation place the products evenly on each shelf Do not push against the refrigerator s rear or side walls Evaporator is blocked by frost...

Page 10: ...bove 40C 104F Stop using immediately The display shows LL and the compressor does not run The ambient temperature is below 40C 40F Stop using immediately MOISTURE DURING THE SUMMER SEASON The amount o...

Page 11: ...ter 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 cloth o...

Page 12: ...e paid by the customer ADDITIONAL THREE YEAR COMPRESSOR WARRANTY In addition to the two 2 year warranty stated above Horizon Scientific Inc warrants its hermetically and semi hermetically sealed compr...

Page 13: ...t damage during transit or installation fire flood or other external causes It does not apply to defects resulting from failure to properly install operate or maintain the product in accordance with t...

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