
Symptom
Probable Cause
Corrective Action
LOW WaTER Light is lit.
Low amount of water in unit.
Fill the water reservoir with water. Each reservoir has
a 3 quart (2.8 liter) capacity. Press the red Reset
Button (located to the left of the indicator light) after
filling reservoir.
Heat is too hot.
Heat controls set too high.
adjust heat controls to a lower setting.
Heat control(s) defective.
Contact authorized Service agent or Hatco for
assistance.
Unit plugged into incorrect/high voltage.
Verify that voltage supply matches electrical
information listed on the unit.
Heat is not hot enough.
Heat controls set too low.
adjust heat controls to a higher setting.
Heat control(s) defective.
Contact authorized Service agent or Hatco for
assistance.
Heating element(s) not working.
Contact authorized Service agent or Hatco for
assistance.
Unit is on, but no lights.
Blown fuse.
Replace blown fuse, follow “Replacing a Fuse”
procedure in the maINTENaNCE section.
No heat.
Heating elements not working.
Contact authorized Service agent or Hatco for
assistance.
Heat controls not working properly.
Contact authorized Service agent or Hatco for
assistance.
Unit plugged into incorrect/low voltage.
Verify that voltage supply matches electrical
information listed on the unit.
No heat and no lights.
Power ON/OFF (I/O) switch turned OFF. move Power ON/OFF (I/O) switch to ON (I) position.
Unit not plugged in or outlet not working. Plug in unit, have outlet repaired by a certified
electrician, or use a different outlet.
Circuit breaker tripped.
Reset circuit breaker. If circuit breaker continues to
trip, contact authorized Service agent or Hatco for
assistance.
Power ON/OFF(I/O) switch defective.
Contact authorized Service agent or Hatco for
assistance.
TROuBLESHOOTING GuIDE
Form No. GRCDHDm-0712
17
This unit must be serviced by trained and 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, adjustments, or maintenance.
WARNING