Symptom
Probable Cause
Corrective Action
Light bulb not working.
Light bulb defective.
Replace
light
bulb.
Refer
to
the
MaINTENaNCE section.
Unit not turned on.
Move Power On/Off (I/O) switch to the On (I)
position.
Unit too hot.
Temperature Control set too high.
adjust the Temperature Control to a lower
setting.
Unit connected to incorrect power supply.
Verify with qualified personnel that power
supply matches unit specification.
Temperature Control is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
No heat, but light works.
Temperature Control set too low.
adjust Temperature Control to a higher
setting.
Heating element(s) not working.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Temperature Control is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Unit not hot enough.
Unit not allowed enough time to preheat.
allow unit 30 minutes to reach operating
temperature.
Temperature Control set too low.
adjust the Temperature Control to a higher
setting.
Door(s) not closed completely.
Make sure all doors are closed completely.
air circulating fan not working properly.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Heating element(s) not working.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Temperature Control is defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
Unit not working at all.
Unit not plugged in.
Plug unit into proper power supply.
Unit not turned on.
Move Power On/Off (I/O) switch to the On (I)
position.
Circuit breaker tripped.
Reset circuit breaker. If circuit breaker
continues to trip, contact an authorized Hatco
Service agent or Hatco for assistance.
Power On/Off (I/O) switch defective.
Contact an authorized Hatco Service agent or
Hatco for assistance.
TROUBLESHOOTING GUIDE
Form No. MDWM-0311
11
This 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.
WARNING
Summary of Contents for MDX-1X
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