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Trouble Shooting Guide 

 

SYMPTOM 

POSSIBLE CAUSE 

PROCEDURE 

Unit doesn't run 

1.  No power to unit 

1. Plug in unit (check power switch) 

  

2.  Temperature control turned off 

2.  Check temperature control 

  

3.  Temperature control faulty 

3.  Test temperature control 

  

4.  Compressor overheated 

4.  Clean condenser coil 

  

5.  Condenser fan faulty 

5.  Service condenser fan 

  

6.  Overload protector faulty 

6.  Test overload 

  

7.  Compressor relay faulty 

7.  Test relay 

  

8.  Compressor faulty 

8.  Call ASA for service 

Unit short cycles 

1.  Condenser coil dirty 

1.  Clean coil 

  

2.  Condenser fan faulty 

2.  Service fan and motor. 

  

3.  Compressor faulty 

3.  Call ASA for service 

  

4.  Overload repeatedly tripping 

4.  Check outlet voltage 

 

5. Check pressure control settings 

5. 20 Cut in / 15 Diff 

  

6. Solenoid not seating 

6. Call ASA for service 

Unit runs constantly 

1.  Condenser coil dirty 

1.  Clean coil 

  

2.  Condenser fan faulty 

2.  Service condenser motor 

 

3. Gaskets not sealing 

3. Replace gaskets 

  

4. Covers off unit 

4. Re-apply covers 

Rail not cold 
enough/base temp 
OK 

1.  Temperature control set too 
high 

1.  Adjust control to lower setting 

  

2.  Temperature control faulty 

2.  Test control 

  

3.  Condenser coil 

3.  Clean coil 

 

4. Solenoid valve not energized 

4. Check t-stat for power to solenoid 

  

5.  Refrigerant leaking or 
contaminated 

5.  Call ASA for service 

Unit too cold 

1.  Temperature control set too 
low 

1.  Adjust control to raise setting 

  

2.  Temperature control faulty 

2.  Test control 

Base warm/rail temp 
is OK 

1. Thermostat  

1. Test thermostat 

 

2. Evap fan motors 

2. test fan motors 

 

3. Solenoid valve  

3. Test solenoid valve 

Unit noisy 

1.  Compressor mountings loose 
or hardened. 

1.  Tighten or replace compressor 
mountings 

  

2.  Condenser fan damaged or 
hitting fan shroud 

2.  Inspect condenser fan 

Drawer issues 

1. Drawer tracks backwards 

1. Check installation of drawer track 
– page 12 

  

2. Roller bearings loose 

2. Tighten bearings 

 

 

Summary of Contents for 8148N

Page 1: ...f the consignee to inspect the container upon receipt of same and to determine the possibility of any damage including concealed damage Randell suggests that if you are suspicious of damage to make a...

Page 2: ...your recent purchase of Randell food service equipment and welcome to the growing family of satisfied Randell customers Our reputation for superior products is the result of consistent quality crafts...

Page 3: ...esign and specifications without prior notice NOTICE Please read the entire manual carefully before installation If certain recommended procedures are not followed warranty claims will be denied MODEL...

Page 4: ...lation and set up In the event equipment was shipped to a site other than the final installation site Randell will warranty for a period of three months following installation with proof of starting d...

Page 5: ...Randell offers both 1 and 2 year extensions Labor extensions begin at the end of our standard warranty and extend out 9 months to 1 calendar year or 21 months to 2 calendar years from date of purchas...

Page 6: ...Failure to notify Randell before fabrication holds the dealer accountable for all additional charges CANCELLATIONS Orders canceled prior to production scheduling entered into engineering production a...

Page 7: ...eturned goods shipment lacking the return authorization number will be refused all additional freight costs to be borne by the returning party Returned equipment must be shipped in original carton fre...

Page 8: ...nd unit 8148N 48 33 42 9 35 1 27 1 3 115 9 5 15P 16 9 1380 8260N 60 33 42 9 35 2 24 1 3 115 9 5 15P 16 14 8 1380 8268N 68 33 42 9 35 2 27 1 3 115 9 5 15P 16 17 8 1380 8383N 83 33 42 9 35 2 24 1 21 115...

Page 9: ...l at all times during operation If no product is available or necessary fill empty pans with 1 to 2 of water as an insulating barrier Note Even though your 8000N series was designed for heavy use exce...

Page 10: ...hour should be allowed for the unit to cool down 4 Load the product and proceed with food preparation Note Product entering the preparation table must be at 41 F or less EVENING SHUT DOWN PREP RAIL 1...

Page 11: ...dbrands net 11 Unit Operation cont DRAWER REMOVAL AND INSTALLATION To remove and re install individual drawers and drawer tracks please refer to Figure 2 below for proper installation instructions Fig...

Page 12: ...a result of an auxiliary filter will not be covered under warranty NOTE Brush coil in direction of fins normally vertically as to not damage or restrict air from passing through condenser 2 Clean fan...

Page 13: ...R USE HYDROCHLORIC ACID MURIATIC ACID ON STAINLESS STEEL Proper maintenance of equipment is the ultimate necessity in preventing costly repairs By evaluating each unit on a regular schedule you can of...

Page 14: ...14 14 14 14 800 621 8560 Electrical Diagram...

Page 15: ...nser coil dirty 1 Clean coil 2 Condenser fan faulty 2 Service condenser motor 3 Gaskets not sealing 3 Replace gaskets 4 Covers off unit 4 Re apply covers Rail not cold enough base temp OK 1 Temperatur...

Page 16: ...16 16 16 16 800 621 8560 Replacement Parts 8000N Series exploded view...

Page 17: ...unifiedbrands net 17 Replacement Parts 8000N Series exploded view Drawer Assembly...

Page 18: ...18 18 18 18 800 621 8560 Replacement Parts 8000N Series exploded view Mechanical area...

Page 19: ...unifiedbrands net 19 Replacement Parts 8000N Series exploded view Evaporator Coil Assembly...

Page 20: ...ft hand 27 x26 RP DOR0325 x x x 9A Door left hand 24 x26 RP DOR0323 x x x 9B Door left hand 21 x26 RP DOR0321 x x 10 Door gasket 24 5 x24 5 IN GSK1030 x x x 10A Door gasket 21 75 x24 5 IN GSK1025 x x...

Page 21: ...x x 26 TXV Rail RF VLV404 x x x x x x 27 TXV Base RF VLV414 x 28 Cap tube w drier 144 x 044 RP CAP022 x x x x x 29 Power cord condensing unit EL WIR470 x x x x x x 30 Hanging thermometer 4 HD THR100 x...

Page 22: ...er 7 75 RP DIV0106 x 54 Pan Cover Hinges pair RP HNG006 x x x x x x 55 Adapter Bars RP BAR1325 x x x x x x 56 On Off rocker switch base rail EL SWT0502 x x x x x x 57 Panel filler 8148N only RP PNL011...

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