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October 11,, 2005
250-6422D
Page 25
Castile Pellet Stove
Symptom Possible Cause Corrective Action
Slow or smoky start-up
(Cont’d)
Dirty exhaust and/or venting system. Check for ash build up in unit, includ-
ing behind rear panels, firebox, heat
exchanger, exhaust blower and venting.
Feed system fails to
start.
Out of fuel.
#2 snap disc may be defective.
Vacuum switch not closing. No vacuum.
Feed system jammed or blocked.
Feed spring not turning with feed motor.
Feed motor defective or not plugged in.
Check hopper, fill with fuel.
Replace snap disc. Firebox door must be
closed securely.
Check exhaust blower is plugged in and
operating.
Check vacuum switch is plugged in.
Check vacuum hose is in good condition,
clear and connected at both ends.
Check thermocouple is in good condition
and plugged in properly.
Make sure venting system is clean.
NOTE: High winds blowing into the vent-
ing system can pressurize the firebox
causing loss of vacuum.
Empty hopper of fuel. Use a wet/dry
vacuum cleaner to remove remaining fuel,
from hopper, including feed tube.
Check feed chute for obstructions.
Loosen 2 feed assembly mounting screws
and lightly shake feed assembly.
Check that set screw is tight on feed
spring shaft at end of feed motor.
Check connections on feed motor, replace
if defective.
No call light. Unit
does not begin start
sequence.
Thermostat not set to a high enough tempera-
ture.
Snap Disc #3 tripped.
No power.
Fuse blown.
Connections at thermostat and/or appliance not
making proper contact.
Defective thermostat or thermostat wiring.
Control box defective.
Adjust thermostat above room tempera-
ture.
Reset snap disc.
Connect to power.
Replace fuse.
Check connections at thermostat and
appliance.
Replace thermostat or wiring.
NOTE: To test thermostat and wiring, use
a jumper wire at the thermostat block on
the unit to by-pass thermostat and wiring.
Replace control box.
Unit fails to shut off.
Call light on. Turn thermostat off.
If call light does not go out, disconnect
thermostat wires from unit. If call light
does go out, thermostat or wires are
defective.