TROUBLESHOOTING GUIDE
WARNING
Unit must be serviced by qualified personnel only. Service
by unqualified personnel may lead to electric shock or
burn.
Symptom
Switch is not illuminated
Power I/O (on/off) switch in the O (off) position. Move the Power I/O (on/off) switch to the I (on) position.
and no heat.
Unit not plugged in.
Circuit breaker tripped.
Defective component.
Switch is illuminated but
Setpoint temperature is too low.
unit has no heat.
Defective component.
Switch is illuminated but
Sheet pans not positioned properly inside
unit does not maintain
cabinet and are blocking air curtain(s).
setpoint temperature.
Unit not allowed to reach setpoint temperature. Allow unit 30 to 60 minutes to reach setpoint temperature.
No sheet pans or not enough sheet pans in
cabinet.
No sheet pan on bottom shelf.
Imbalanced/improper air flow in building.
Defective component.
Unit is heating, but is
Humidity control is set too high.
producing
too
much
Air temperature is set too low.
humidity
inside
the
cabinet causing steam
Humidity control is defective.
inside unit.
Unit is heating, but is
When using distilled water, no minerals are
not producing humidity
being sensed by low water probe.
inside cabinet. "LO H20"
Low water protection system is malfunctioning. Contact an Authorized Hatco Service Agent or Hatco for assistance.
flashes on display and
unit is full of water.
Error Codes
The following error codes may appear on the digital display to indicate an error in the operating condition of the unit.
LO H20 = Low water probe does not detect water. Refill water reservoir—refer to instructions in OPERATION section of this manual.
E1 = Air temperature sensor malfunctioning. Contact an Authorized Hatco Service Agent or Hatco for assistance.
E2 = Humidity temperature sensor malfunctioning. Contact an Authorized Hatco Service Agent or Hatco for assistance.
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
Probable Cause
e-mail: support@hatcocorp.com
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WARNING
ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord, and allow unit to cool before
performing any cleaning, adjustments, or maintenance.
Corrective Action
Plug unit into the proper power supply.
Reset the circuit breaker.
Contact Authorized Service Agent or Hatco for assistance.
Adjust setpoint temperature to the proper setting.
Contact Authorized Service Agent or Hatco for assistance.
Position sheet pans correctly inside cabinet.
Enclosed units: Push sheet pans against the back of the cabinet.
Pass-through units: Set sheet pans between the lines next to the
arrows inside each end of the cabinet.
For two pan models: Put two pans in cabinet at startup. Keep at
least one pan in cabinet on bottom shelf at all times.
For four pan models: Put four pans in cabinet at startup. Keep at
least two pans in cabinet at all times with one on bottom shelf and
the other two shelves above.
Place a pan on the bottom shelf.
Identify air flow sources and make necessary changes:
• Move any portable fans.
• Close all windows and doors.
• Close drive-thru window.
• Check ceiling vents and redirect, if necessary.
• Install flip-up panel accessory onto cabinet.
Contact Authorized Service Agent or Hatco for assistance.
Adjust the humidity control to a lower setting.
Adjust the temperature to a higher setting.
Contact an Authorized Hatco Service Agent or Hatco for assistance.
On initial fill, add one teaspoon of salt to the water reservoir.
English
Form No. FSHACM-0719