APPENDIX A
TROUBLE-SHOOTING (CONT’D…)
PROBLEM
CAUSE(S)
SOLUTIONS
Pellets will not feed.
Stove runs for 30 minutes
then shuts down.
Blowers will not shut off
after the Auger has been
switched off and the stove
has cooled down.
There is too much combus-
tion air for the amount of
fuel.
The hopper is empty.
The auger motor or circuit
board may be defective. The
pressure switch tap or hose
may be blocked.
Back pressure in venting trip-
ping pressure switch.
The exhaust gases are not up
to temperature.
The low limit snap switch is
not operating correctly.
The wires to the low limit
snap switch are loose or
disconnected.
The low limit snap switch has
failed in the closed position.
operating at a medium to high burn
rate 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 certified Whitfield
dealer.
Adjust the damper to reduce com-
bustion air flow.
Refill hopper.
Check to be sure that there is no
blockage in the pressure tap or
hose. Have your certified Whitfield
dealer diagnose the problem and
clean or replace any necessar y
parts.
If new installation check for exces-
sive 90˚ bends, long horizontal runs
or excessive vertical run of 3”pipe.
Possibly change to 4”pipe. If older
installation check for excessive ash
accumulation in pipe or other
obstructions. Clean out pipe.
Press start switch and re-light stove
if necessary.
Have your certified Whitfield dealer
replace the low limit snap switch.
Check wires between the snap
switch and the wiring harness.
Make sure that there are good con-
nections between the wires and
their terminals.
Have your certified Whitfield dealer
replace the low limit snap switch.
Unplug Stove Before Performing any Maintenance work
