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WARNING
This unit must be serviced by qualified personnel only.
Service by unqualified personnel may lead to electric
shock or burn.
Symptom
Unit is plugged in, but not
Unit not turned on.
working.
Circuit breaker tripped.
GFCI(s) tripped.
Power On/Off switch(es) defective.
Supply voltage to unit is incorrect.
Internal electrical malfunction.
Display
light(s)
not
Lights On/Off switch in the "off" position.
working.
Display lights connection loose or defective.
Base, glass shelf, and/
Corresponding Heat Control Knob(s) set too low.
or canopy heat not hot
enough.
Excessive air movement around unit.
Heat Control(s) not working properly.
Heating element and/or heated glass shelves not
working.
Base, glass shelf, and/or
Corresponding Heat Control Knob(s) set too high. Adjust the appropriate Heat Control Knob(s) to a lower
canopy heat too hot.
Heat Control(s) not working properly.
Supply voltage to unit is incorrect.
Display lights working, but
Power On/Off switch(es) in "off" position.
no heat.
GFCI(s) tripped.
Heat Control(s) not working properly.
Heating element and/or heated glass shelves not
working.
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
Form No. GR3SDM-0920
Probable Cause
13
TROUBLESHOOTING GUIDE
WARNING
ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord, and allow unit to cool before
performing any cleaning, setup, or maintenance.
Corrective Action
Move all Power On/Off switches to the "on" position.
Reset circuit breaker. If circuit breaker continues to trip,
contact Authorized Service Agent or Hatco for assistance.
Reset GFCI. If GFCI continues to trip, contact Authorized
Service Agent or Hatco for assistance.
Contact Authorized Service Agent or Hatco for assistance.
Verify supply voltage at both receptacles matches the unit
specifications.
Contact Authorized Service Agent or Hatco for assistance.
Move Lights On/Off switch to the "on" position.
Contact Authorized Service Agent or Hatco for assistance.
Adjust the appropriate Heat Control Knob(s) to a higher
setting.
Move the unit or redirect air movement away from the unit.
Contact Authorized Service Agent or Hatco for assistance.
setting.
Contact Authorized Service Agent or Hatco for assistance.
Verify supply voltage at the receptacle matches the unit
specifications.
Move all Power On/Off switches to the "on" position.
Reset GFCI. If GFCI continues to trip, contact Authorized
Service Agent or Hatco for assistance.
Contact Authorized Service Agent or Hatco for assistance.