Quadra-Fire CB1200M-MBK Possible Cause, Corrective Action, CB 1200 Pellet Stove, Symptom

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CB 1200 Pellet Stove

Symptom	Possible Cause	Corrective Action
Slow or smoky start-up	Dirty exhaust and/or venting system.	Check for ash build up in unit, includ-
(Cont’d)		ing behind rear panels, firebox, heat
		exchanger, exhaust blower and venting.
Feed system fails to	Out of fuel.	Check hopper, fill with fuel.
start.	#2 snap disc may be defective.	Replace snap disc. Firebox door must be
		closed securely.
	Vacuum switch not closing. No vacuum.	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.
	Feed system jammed or blocked.	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 screws and jiggle feed assembly.
	Feed spring not turning with feed motor.	Check that set screw is tight on feed
		spring shaft at end of feed motor.
	Feed motor defective or not plugged in.	Check connections on feed motor, replace
		if defective.
No call light. Unit	Thermostat not set to a high enough tempera-	Adjust thermostat above room tempera-
does not begin start	ture.	ture.
sequence.	Snap Disc #3 tripped.	Reset snap disc.
	No power.	Connect to power.
	Fuse blown.	Replace fuse.
	Connections at thermostat and/or appliance not	Check connections at thermostat and
	making proper contact.	appliance.
	Defective thermostat or thermostat wiring.	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.
	Control box defective.	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.

December 16, 2011 7014-179D Page 27