Form No. HZMM-1116
18
English
Symptom
Probable Cause
Corrective Action
Display lights not working.
Power turned off.
Move Power I/O switch to the I (on) position.
LED display lights or driver defective.
Contact Authorized Service Agent or Hatco for assistance.
Unit not hot enough.
Unit in
Stand-By
(not loaded with food product). Load food product. Optical sensors will signal LCD controller
to energize unit and heat to setpoint temperatures/power
percentages.
Unit/shelf in Lights Only operation.
Change unit/shelf operation to Sensors On or Sensors Off.
Refer to the OPERATION section for procedure.
Temperature setpoints/power percentages set
too low.
Adjust temperature setpoints/power percentages to higher
settings. Refer to the OPERATION section for procedures.
Heating element(s) not working.
Contact Authorized Service Agent or Hatco for assistance.
Sensors or LCD controller not working properly. Contact Authorized Service Agent or Hatco for assistance.
Excessive air movement around unit.
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.
Unit connected to incorrect power supply.
Contact Authorized Service Agent or Hatco for assistance.
Unit too hot.
Temperature setpoints/power percentages set
too high.
Adjust temperature setpoints/power percentages to lower
settings. Refer to the OPERATION section for procedures.
Sensors or LCD controller not working properly. Contact Authorized Service Agent or Hatco for assistance.
Sensor(s) may be blocked.
Remove any objects that are blocking sensor(s).
Unit connected to incorrect power supply.
Contact Authorized Service Agent or Hatco for assistance.
No heat, but light works.
Unit/shelf in Lights Only operation.
Change unit/shelf operation to Sensors On or Sensors Off.
Refer to the OPERATION section for procedure.
Temperature setpoints/power percentages set
too low.
Adjust temperature setpoints/power percentages to higher
settings. Refer to the OPERATION section for procedures.
Heating element(s) not working.
Contact Authorized Service Agent or Hatco for assistance.
Heating element(s) not working.
Contact Authorized Service Agent or Hatco for assistance.
No heat and no light.
Heating element(s) not working.
Move Power I/O switch to the I (on) position.
Circuit breaker tripped.
Reset circuit breaker. If circuit breaker continues to trip,
contact Authorized Service Agent or Hatco for assistance.
TROUBLESHOOTING GUIDE
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, and allow unit to cool before
performing any cleaning, setup, or maintenance.
Troubleshooting Questions?
If you continue to have problems resolving an issue, please contact the nearest Authorized Hatco Service Agency or Hatco
for assistance. 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: [email protected]
