12
Form No. FSHACM-0719
English
Symptom
Probable Cause
Corrective Action
Switch is not illuminated
and no heat.
Power I/O (on/off) switch in the O (off) position. Move the Power I/O (on/off) switch to the I (on) position.
Unit not plugged in.
Plug unit into the proper power supply.
Circuit breaker tripped.
Reset the circuit breaker.
Defective component.
Contact Authorized Service Agent or Hatco for assistance.
Switch is illuminated but
unit has no heat.
Setpoint temperature is too low.
Adjust setpoint temperature to the proper setting.
Defective component.
Contact Authorized Service Agent or Hatco for assistance.
Switch is illuminated but
unit does not maintain
setpoint temperature.
Sheet pans not positioned properly inside
cabinet and are blocking air curtain(s).
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.
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.
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.
No sheet pan on bottom shelf.
Place a pan on the bottom shelf.
Imbalanced/improper air flow in building.
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.
Defective component.
Contact Authorized Service Agent or Hatco for assistance.
Unit is heating, but is
producing too much
humidity inside the
cabinet causing steam
inside unit.
Humidity control is set too high.
Adjust the humidity control to a lower setting.
Air temperature is set too low.
Adjust the temperature to a higher setting.
Humidity control is defective.
Contact an Authorized Hatco Service Agent or Hatco for assistance.
Unit is heating, but is
not producing humidity
inside cabinet. “LO H20”
flashes on display and
unit is full of water.
When using distilled water, no minerals are
being sensed by low water probe.
On initial fill, add one teaspoon of salt to the water reservoir.
Low water protection system is malfunctioning. Contact an Authorized Hatco Service Agent or Hatco for assistance.
TROUBLESHOOTING GUIDE
WARNING
Unit must be serviced by 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.
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
e-mail: support@hatcocorp.com