Symptom
Probable Cause
Corrective Action
Unit too hot.
Setpoint temperature too high.
Change the setpoint temperature to a lower
setting.
Unit connected to incorrect power supply.
Verify with qualified personnel that power
supply matches unit specification.
Digital temperature controller is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Unit not hot enough.
Unit not allowed enough time to preheat.
allow unit 15–20 minutes to reach operating
temperature.
Setpoint temperature too low.
Change the setpoint temperature to a higher
setting.
Drawer(s) not closed completely.
Make sure all drawers are closed completely.
Digital temperature controller is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Unit not working at all.
Unit not plugged in.
Plug unit into proper power supply.
Unit not turned on.
Move POWER ON/OFF (I/O) switch to the ON
position.
Circuit breaker tripped.
Reset circuit breaker.
POWER ON/OFF (I/O) switch defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Digital temperature controller is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Heating element burned out.
Contact an authorized Hatco Service agent or
Hatco for assistance.
TROUBLEShOOTING GUIDE
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,
adjustments, or maintenance.
WARNING
8
Form No. CDWCEM-0412
