symptom
Probable Cause
Corrective action
Fluorescent lamp not working.
Lamp loose or defective.
Re-install or replace fluorescent lamp.
Ballast failed.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Unit operates, but is not circulating
air inside cabinet.
Blower motor is defective.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
The correct voltage may not be supplied to
blower.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Unit is plugged in, but nothing
works
No power to unit.
Check electrical receptacle and verify that power
supply matches specifications on unit. If
receptacle is not working, check circuit breaker
and reset, or plug unit into a different known
working receptacle.
Power cord connections are loose or
disconnected.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Power cord is damaged.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Defective POWER ON/OFF (I/O) switch.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Unit is operational, but rotating
rack (if equipped) does not turn.
Proximity switch was not relocated after door
reversal.
See “Relocating the Proximity Switch” in the
INSTALLATION section of this manual.
Proximity magnet or proximity switch not
working properly.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Incorrect voltage is supplied to rack motor.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Unit is not producing any “hot air”
inside cabinet.
Safety high-limit is tripped or open.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Incorrect voltage supplied to heating element. Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Blower motor is not working.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Air heating element is defective.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Unit is heating, but is not producing
humidity inside cabinet. “LO H20”
not flashing on display and unit is
full of water.
Incorrect voltage supplied to water heating
element or heating element 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
This unit must be serviced by trained and qualified
personnel only. service by unqualified personnel may lead
to electric shock or burn.
WARNING
ElECTRIC sHoCk HazaRD: Turn the power switch off,
unplug the power cord, and allow the unit to cool before
performing any maintenance or cleaning.
WARNING
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.
15
Form No. FSDCEM-1010
