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Form No. GRSM-0719
19
Symptom Probable Cause Corrective Action
Unit too hot. Thermostat control set too high. Adjust thermostat control to a lower setting.
Thermostat control stuck in the “on” position. Contact Authorized Service Agent or Hatco for
assistance.
Unit plugged into an incorrect power supply. Verify with qualified personnel that power supply
matches unit specification.
Unit not hot enough. Thermostat control set too low. Adjust thermostat control to a higher setting.
Location of unit is susceptible to air currents (air
conditioning ducts or exhaust fans).
Block air currents or relocate unit.
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 (I)
position.
Power On/Off (I/O) switch is not functioning.
Contact Authorized Service Agent or Hatco for
assistance.
Heating element is burned out.
Thermostat control is defective.
TROUBLESHOOTING GUIDE
This unit must be serviced by qualified personnel only.
Service by unqualified personnel may lead to electric
shock or burn.
ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord, and allow unit to cool before
performing any cleaning, adjustments, 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, select the Support pull-
down menu, and click on “Find A Service Agent”; or contact the Hatco Parts and Service Team at:
Telephone: 800-558-0607 or 414-671-6350
e-mail: support@hatcocorp.com
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