R

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.

 

 

 

Page 26

7014-082D

September 1, 2008

Page 26
Image 26
Hearth and Home Technologies CB1200-B owner manual