WARNING
This unit must be serviced by trained and qualified
personnel only. service by unqualified personnel may lead
to electric shock or burn.
symptom
Fluorescent lamp not working.
Unit operates, but is not circulating
air inside cabinet.
Unit is plugged in, but nothing
works
Unit is operational, but rotating
rack (if equipped) does not turn.
Unit is not producing any "hot air"
inside cabinet.
Unit is heating, but is not producing
humidity inside cabinet. "LO H20"
not flashing on display and unit is
full of water.
Unit is heating, but is not producing
humidity inside cabinet. "LO H20"
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.
Form No. FSDCEM-1010
Probable Cause
Lamp loose or defective.
Ballast failed.
Blower motor is defective.
The correct voltage may not be supplied to
blower.
No power to unit.
Power cord connections are loose or
disconnected.
Power cord is damaged.
Defective POWER ON/OFF (I/O) switch.
Proximity switch was not relocated after door
reversal.
Proximity magnet or proximity switch not
working properly.
Incorrect voltage is supplied to rack motor.
Safety high-limit is tripped or open.
Incorrect voltage supplied to heating element. Contact an Authorized Hatco Service Agent or
Blower motor is not working.
Air heating element is defective.
Incorrect voltage supplied to water heating
element or heating element is defective.
When using distilled water, no minerals are being
sensed by low water probe.
Low water protection system is malfunctioning. Contact an Authorized Hatco Service Agent or
TRoUBlEsHooTING GUIDE
ElECTRIC sHoCk HazaRD: Turn the power switch off,
unplug the power cord, and allow the unit to cool before
performing any maintenance or cleaning.
Re-install or replace fluorescent lamp.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
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.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
See "Relocating the Proximity Switch" in the
INSTALLATION section of this manual.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
Contact an Authorized Hatco Service Agent or
Hatco for assistance.
On initial fill, add one teaspoon of salt to the water
reservoir.
Hatco for assistance.
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
WARNING
Corrective action