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Quadra-Fire CB1200M-MBK User Manual

Page 27

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R

December 16, 2011

7014-179D

Page 27

CB 1200 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 screws and jiggle 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.