TROUBLESHOOTING GUIDE
WARNING
This unit must be serviced by qualified personnel only.
Service by unqualified personnel may lead to electric
shock or burn.
Symptom
Shelf too hot.
Shelf not hot enough.
Unit not working at all.
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
OPTIONS AND ACCESSORIES
Side Panels
Side panels are available as factory-installed options to enclose
the side of each individual shelf.
Back Panels
Back panels are available as factory-installed options to enclose
the backside of each individual shelf.
4" (102 mm) Legs
4" (102 mm) legs are available as accessories for models
GRS2G-3920-2 and GRS2G-3920-3.
Probable Cause
Air temperature is set too high.
Unit connected to incorrect power supply.
Internal thermostat defective.
Unit not allowed enough time to preheat.
Air temperature is set too low.
Internal thermostat defective.
Unit not plugged in.
Unit not turned on.
Circuit breaker tripped.
Power I/O (on/off) switch defective.
Internal thermostat defective.
Heating element burned out.
ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord, and allow unit to cool before
performing any cleaning, adjustments, or maintenance.
Adjust the temperature to a lower setting.
Contact an Authorized Hatco Service Agent or Hatco
for assistance.
Allow unit 15–20 minutes to reach operating
temperature.
Adjust the temperature to a higher setting.
Contact an Authorized Hatco Service Agent or Hatco
for assistance.
Plug unit into proper power supply.
Move Power I/O (on/off) switch to the I (on) position.
Reset circuit breaker.
Contact an Authorized Hatco Service Agent or Hatco
for assistance.
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English
WARNING
Corrective Action
Form No. GRS2GM-0520