American Energy Systems MagnuM 7500 - Manual (Page 37)

37
PROBLEM CAUSES SOLUTIONS
? Fire goes out or stove shuts down
automatically.
♦ Hopper is empty.
♦ Fuel is not feeding.
♦ High limit temperature switch has
tripped.
Too much air to firepot.
Fuel feed high or low.
♦ Hot air vents are closed
♦ Dirty filter
9 Refill hopper.
9 See “Pellets will not feed” below.
9 Allow furnace to cool for 1 hour
and relight. Check your furnace
filter to make sure that enough air is
passing through the system. Clean
or replace if dirty. Do not restrict
panel vents on furnace.
9 Adjust the damper to reduce
combustion airflow.
9 Have your Magnum 7500 reseller
adjust the fuel control.
Open all registers. Too much heat
in supply lines has caused in line sensor
to shut system down. Make sure filter is
clean to let enough air pass thru system.
? Fuel will not feed.
♦ Hopper is empty.
♦ Auger, circuit board, high limit
switch tripped
♦ A foreign object is caught in auger
♦ Fuel is dirty and or wet
♦ Auger motor is bad or loosened
9 Check contents of the hopper. Add
fuel if necessary.
9 Have your Magnum 7500 reseller
diagnose the problem and replace
the parts.
? Furnace runs for 30 minutes and then
shuts down.
♦ Exhaust gas is not up to
temperature. Started on too low of
Setting. Must be # 3
♦ Low limit snap switch not operating
correctly; may be defective.
♦ Wires to either the low limit snap
switch (mounted on the side of the
firebox or exhaust manifold) are
loose or disconnected.
9 Relight the furnace.
Start on # 3 setting
9 Have your Magnum 7500 reseller
replace the low limit switch.
9 Contact your local Magnum 7500
reseller for service.
? Blower will not shut off after the fuel
has been switched off and the stove has
cooled down.
♦ Fan Limit switch has failed in the
closed position.
♦ Unit has not cooled down yet.
♦ Fan Limit switch has stuck
9 Have your Magnum 7500 reseller
replace the Fan Limit control.
9 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 contact your local
Magnum 7500 service technician.
Tapping on the switch will free up a
sticky switch. Make sure electrical
is unplugged