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5

Warning! 

Hazard of Electric Shock — Disconnect power supply before servicing. Any operating problems not identified and corrected by instructions in this manual should 

be referred to qualified service personnel (electrician or foodservice equipment technician). No user-serviceable items under the inner cover of the heater. Only qualified service 

personnel should open the inner cover of the heater.

Problem

Possible Causes

Possible Solutions

Unit is plugged in but does not heat up at all.

•  There is no power or an inadequate  

amount of power.

•  Power cord is not fully connected to  

the power source or to the heater.

•  Power cord is damaged.
•  Heating unit is damaged.

•  Check the power supplied to the unit. It should 

match the requirements on the heater label.

•  Make sure both ends of the power cord are 

connected securely.

•  Always replace damaged power cords with 

Cambro authorized power cords.

•  Replace the heater unit. Contact Cambro Customer 

Service.

Unit operates for more than 1 hour but does not 
achieve the minimum 150˚F (65,6˚C) temperature.

•  Door is not fully closed.
•  Power cord is damaged and is causing  

intermittent power to the heating unit.

•  Thermometer is damaged or not working properly.
•  Heating unit is not working properly.

•  Make sure the door is fully closed. Small gaps are 

ok and will not affect the performance.

•  Always replace damaged power cords with 

Cambro authorized power cords.

•  Check the heat inside the compartment with a verified 

thermometer, placed in the center of the compartment.

•  Check fans for obstructions. If none found, 

replace heater unit. Contact Cambro Customer Service.

Persistent odor inside the cabinet.

•  Initial start-up of unit.
•  Food left in the cabinet for overly-long  

holding periods.

•  For first-time use, plug in and run the unit with the 

door open for 1 hour to air out the cabinet.

•  Place a pan of water with some baking soda in it 

and turn on the heater for 1 hour.

•  If smell is still persistent please contact Cambro 

Customer Service.

Unit stopped heating during normal operation.

•  The compartment temperature exceeded 190˚F 

(87,8˚C), causing the hi-limit thermostat to shut 
power off to the heater.

NOTE:

 Fan may remain running.

•  Fans are not operating properly.
•  Control thermostat is not working.

•  Please refer to page 3: Instructions for Resetting 

Door Heaters.

•  Replace Fans. Contact Cambro Customer Service.
•  Replace control thermostat. Contact Cambro Customer 

Service.

NOTE: 

For service please contact Cambro at 800-854-7631 X4118. 

Please refer to the heater model number (see page 3) when you call in.

 Units under warranty should be 

serviced by Cambro Authorized Service Agent Only.

V. Troubleshooting Guide

TO ORDER REPLACEMENT PARTS: 

•  Call Cambro Customer Service at 800 833 3003 or 
•  Fax your order to 714 842 3430 or
•  Call your local Cambro Representative or Distributor

Please visit www.cambro.com for a complete list of replacement parts. The model number of the Cambro heated meal delivery cart is required to determine the correct 
replacement part. The model number can be found on the inside of the door or molded into the bottom of the body.  Each heater has a label marked with a serial number 
and heater model number.

VI. Replacement Parts

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