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13 

TROUBLESHOOTING GUIDE 

SYMPTOM 

POSSIBLE CAUSE 

SUGGESTED REMEDY 

 

No power on display  Not plugged in or circuit breaker 

tripped 

Check or reset circuit breaker 
Connect to proper receptacle 

Power cord damaged 

Check - replace if required 

 

 

Power switch damaged or defective 

Check - replace if required 

Food dries out too 
quickly  

 

Operation where product temp is too 
high or food pans should be covered 

Check product temps going into  
holding cabinet; cover food pans 

Control incorrectly set or defective 

Check proper operation or calibration 
of control  

Internal wiring error 
 

Call service technician 

Element hi-limit trip / defective 

Call service technician 

Takes too long to 
get to temperature 

Improper voltage 

Call service technician to verify      
incoming voltage matches cabinet 
specifications.   

Unit is hot  
but low or no airflow   

Internal wiring error 

Call service technician 

Circulation motor has quit 

Call service technician 

Improper voltage 

Call service technician to verify      
incoming voltage matches cabinet 
specifications.   

 

 

 

Unit is on, motors 
are running but no 
heat  

 
NOTE:

   

 
The technical content of this manual, 
including any wiring diagrams, schemat-
ics, parts breakdown illustrations and / 
or adjustment procedures, is 

intended 

for use ONLY by qualified technical 
personnel

 

NOTE:  
 

For warranty service, call Carter-Hoffmann 
direct at 800-323-9793 for authorization, 
we will dispatch the nearest authorized 
service agency. 

Summary of Contents for HL7-14

Page 1: ...S 2 FEATURES SPECIFICATIONS 3 UNPACKING INSPECTION FREIGHT DAMAGE 4 INSTALLATION STARTUP 5 CONTROL PANEL LAYOUT 6 NORMAL OPERATION 7 FOOD HOLDING GUIDE 8 REGULAR CLEANING PROCEDURES 9 CABINET MAINTENA...

Page 2: ...rounded outlet 3 Use this appliance only for its intended purpose as described in the manual a This equipment is specifically designed to hold pre cooked food at temperature b This equipment is intend...

Page 3: ...97 5 127 438 199 MODELS HL7 5 HL7 8 Cabinets with Adjustable Universal Slides for 12 x20 Pans 18 x 26 Trays and Gastronorm Pans NSF ANSI 4 Features Benefits Precision engineered heat ducts with blower...

Page 4: ...REIGHT DAMAGE CLAIM PROCEDURE NOTE For your protection please note that equipment in this shipment was carefully inspected and packaged by skilled personnel before leaving the factory Upon acceptance...

Page 5: ...esult in personal injury and proper ty damage Damage to unit due to being connected to the wrong voltage or phase is NOT covered by warranty START UP 1 Prior to use thoroughly clean the interior of th...

Page 6: ...panel layout Power Switch Temperature setting dial turn clockwise to increase temperature and counter clockwise to decrease temperature Temperature dial shows actual cabinet temperature Power indicati...

Page 7: ...g rotate the HEAT dial to the desired set point It will take approximately 30 minutes for the cabinet to preheat to your setting Once cabinet reaches temperature setting power indicating light will go...

Page 8: ...Pastries 165 F 74 C 30 Pizza uncovered 180 F 82 C 15 Pizza boxed 180 F 82 C 60 Poppers Deep Fried uncovered 190 F 88 C 25 Poultry Whole bone in 175 F 79 C 60 Poultry Cut up bone in 175 F 79 C 60 Ribs...

Page 9: ...in direction of grain of stainless steel Do not use on vinyl trim Stubborn Daily Any chloride free Apply with damp sponge or cloth Rub in spots and as or direction of grain of stainless steel Rinse st...

Page 10: ...T REMOVE THE SCREWS THAT HOLD THE HINGES TO THE DOOR Remove the door tak ing care not to let it fall 2 Remove the door strike plate and screws adjacent to the door opening on the cabinet Reinstall doo...

Page 11: ...HL7 SERIES WITH ANALOG CONTROL 120 VOLT 2100 WATT 17 5 AMP 1 PH 60 HZ or 120 VOLT 1100 WATT 9 2 AMP 1 PH 60HZ 12 WIRING DIAGRAM...

Page 12: ...limit trip defective Call service technician Takes too long to get to temperature Improper voltage Call service technician to verify incoming voltage matches cabinet specifications Unit is hot but low...

Page 13: ...CARTER HOFFMANN to be defective CARTER HOFFMANN neither makes nor assumes and does not authorize any other person to make or assume any obligation or liability in connection with its products other th...

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