HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483
IM-H 6-1
Hot Merchandiser
ISLA IM-H
HUSSMANN Tech Support: 866-785-8499 HATCO TECH SUPPORT: 800-558-0607
7. Troubleshooting Guide
INFORMATION
REQUIRED
WHEN
CALLING FOR
ASSISTANCE
Hatco Model Number
Store Contact Phone Number
Hatco Serial Number
Complaint/issue
Store Location
HEATED SHELVES
Symptom
Probable Cause
Corrective Action
Product not holding
temperature
Ambient conditions may be affecting the
case operation.
Check case position in store. Is the case
located near an open door, window,
electric fan or air conditioning vent that
may cause air currents? Case must be
located minimum of 15 Ft away from
doors or windows. Cases are designed to
operate at 55% Relative Humidity and a
temperature of 75°F.
Heat settings too low.
Adjust shelf control setting.
Product not hot when placed in case.
"Place prepackaged hot food in case.
Measure food temperature when placed in
case. Internal product temperature must
be 160°F or greater when placed in case."
Incorrect product packaging.
Some product packaging may impact the
ability to hold product temperature. Use
only approved containers.
Product not placed correctly in case.
Load product in single layer, in direct
contact with shelves.
Unit not preheated.
Preheat case before loading product.
Low voltage.
Dispatch Hatco authorized service agent
Product held too long
Hold product for recommended time.
No shelf heat
Faulty shelf heater.
Dispatch Hatco authorized service agent
Faulty control.
Dispatch Hatco authorized service agent
Loose wiring on heater.
Dispatch Hatco authorized service agent
Temperature setting turned "Off".
Increase shelf heat setting.
Main power switch on, but
case is inoperative
Open circuit.
Check to see that cord is plugged in if
plug is provided.
Dispatch Hatco authorized service agent
Dispatch Hatco authorized service agent
Dispatch Hatco authorized service agent
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