Nesco 6033 - Manual (Page 23)

USSC 23
TROUBLE SHOOTING continued...
PROBLEM CAUSES SOLUTIONS
? Fire goes out or stove shuts down
automatically.
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•
•
•
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Hopper is empty.
Fuel is not feeding.
High limit temperature switch has
tripped.
Combustion air too high.
Fuel feed rate is too low.
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Refill hopper.
See “Pellets will not feed” below
Allow stove to cool for 1 hour and
relight. If the stove has been oper-
ating at a medium to high burn and
the convection fan has been turned
down low, then the fan should be
turned up higher. If this problem
persists, particularly at lower burn
rates, then the high limit snap switch
should be replaced by your local
dealer.
Adjust the damper to reduce com-
bustion airflow.
Have an USSC reseller qualified
technician adjust the fuel control.
? Pellets will not feed. •
•
Hopper is empty.
Auger, circuit board, pressure switch
or relay
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•
Check contents of the hopper. Add
fuel if necessary.
Have your USSC reseller diagnose
the problem and replace the part(s).
? Stove runs for 30 minutes and then
shuts down.
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Exhaust gas is not up to tempera-
ture.
Low limit snap switch not operating
properly; may be defective.
Wires to the low limit snap switch
(mounted on the side of the firebox)
are either loose or disconnected.
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Relight the stove
Have your USSC reseller replace the
low limit switch.
Contact your USSC reseller for ser-
vice.
? Blower will not shut off after the fuel
has been switched off and the stove
has cooled down.
• Low limit snap switch has failed in
the closed position.
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•
Have your USSC reseller replace the
low limit switch.
It can take up to 1 hour for the unit
to cool down enough for the blower
to shut off. If it takes longer than 2
hours for the blower to shut off or if
it fails to shut off completely contact
your local USSC service technician.