HUSSMANN CORPORATION • CHINO, CA 91710
29
Hot or Cold Food Counters
ISLA Food Counters IM-FS IM-FH IM-FR 10/20
11. Troubleshooting Guide (Overhead heaters)
HEATED WELLS
Symptom
Probable Cause
Corrective Action
Food product not holding hot
enough.
Well being operated as a dry unit.
Allow unit to cool and fill with the appropriate
amount of water for wet operation. Wet
operation promotes consistent hot food
holding.
Temperature control knobs
heat wrong well.
Control enclosure installed incorrectly.
Dispatch Hatco authorized service agent
OVERHEAD HEATERS
WARNING
This unit must be serviced by qualified personnel only.
Service by unqualified personnel may lead to electric
shock or burn.
WARNING
ELECTRIC SHOCK HAZARD; Turn OFF power switch, unplug
power cord/turn off power at circuit breaker, and allow unit to cool
before performing any cleaning, adjustment, or maintenance.
Symptom
Probable Cause
Corrective Action
Unit is turned “On” but there
is no heat.
No power to unit.
Check circuit breaker and reset as necessary.
Switch is defective.
Contact authorized Service agent or Hatco for
assistance.
Wiring is open.
Contact authorized Service agent or Hatco for
assistance.
Heating element defective.
Contact authorized Service agent or Hatco for
assistance.
Heat is inadequate.
Unit mounted too high above target area.
Lower unit, putting effective heat closer to
target.
Excessive air movement around strip
heater target area.
Restrict or redirect air movement (air
conditioning duct or exhaust fan) away from
unit.
Incorrect power supply (low).
Check power supply to unit, making sure it
matches rating on the unit. If power supply is
incorrect, change to match rating on unit.
Heat is excessive.
Unit mounted too close to target area.
Check to see that installation is within
specifications for type/model. Increase
mounting height if too close.
Voltage supply too high.
Check power supply to unit, making sure it
matches rating on unit. If power supply is
incorrect, change to
match rating.
Control switches burn out.
Unit mounted improperly.
Move the unit the proper distance away from
walls,counters, and/or pass-through shelves.
Refer to the INSTALLATION section for
guidelines.
Remote control enclosure is mounted too
close to the heat zone.
Move remote control enclosure away from the
heat zone.
Switches used are not HATCO supplied.
Genuine Hatco Parts are specified to operate
safely and properly in the environment in
which they are used. Contact authorized
Service agent or Hatco to replace switches
with Genuine Hatco Replacement Parts.
Troubleshooting Guide (Hot Well Case Cont’d)
