Troubleshooting Guide - Hatco HZMS Série Manuel D'installation Et D'utilisation

English
Troubleshooting Questions?
If you continue to have problems resolving an issue, please contact the nearest authorized Hatco Service agency or Hatco for as-
sistance. To locate the nearest Service agency, log onto the Hatco website at www.hatcocorp.com and click on
Find Service Agent, or contact the Hatco Parts and Service Team at:
Telephone: 800-558-0607 or 414-671-6350
e-mail: partsandservice@hatcocorp.com
Fax: 800-690-2966 or 414-671-3976
WARNING
This unit must be serviced by qualified personnel only.
Service by unqualified personnel may lead to electric
shock or burn.
Symptom
Display lights not working.
Unit not hot enough.
Unit too hot.
Form No. HZmm-0414
Probable Cause
Power turned OFF.
LED display lights or driver defective.
Unit in Stand-By (not loaded with food
product).
Unit/shelf in Off mode operation.
Temperature setpoints/power percentages
set too low.
Heating element(s) not working.
Sensors or LCD controller not working
properly.
Excessive air movement around unit.
Unit connected to incorrect power supply. Contact authorized Service agent or Hatco for
Temperature setpoints/power percentages
set too high.
Sensors or LCD controller not working
properly.
Sensor(s) may be blocked.
Unit connected to incorrect power supply. Contact authorized Service agent or Hatco for

TROUBLESHOOTING GUIDE

ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord, and allow unit to cool before
performing any cleaning, setup, or maintenance.
move Power ON/OFF (I/O) switch to the ON (I)
position.
Contact authorized Service agent or Hatco for
assistance.
Load food product. Optical sensors will signal LCD
controller to energize unit and heat to setpoint
temperatures/power percentages.
Change unit/shelf operation to auto mode or On
mode. Refer to the OPERaTION section for
procedure.
adjust temperature setpoints/power percentages to
higher settings. Refer to the OPERaTION section for
procedures.
Contact authorized Service agent or Hatco for
assistance.
Contact authorized Service agent or Hatco for
assistance.
Restrict or redirect air movement (i.e., air conditioning
duct or exhaust fan) away from unit or install flip-up
doors on unit to block air flow.
assistance.
adjust temperature setpoints/power percentages to
lower settings. Refer to the OPERaTION section for
procedures.
Contact authorized Service agent or Hatco for
assistance.
Remove any objects that are blocking sensor(s).
assistance.
19
WARNING
Corrective Action
continued...