R
CB1200-I Pellet Insert
Troubleshooting (Cont’d)
Symptom | Possible Cause | Corrective Action |
Slow or smoky | Dirty exhaust and/or venting system. | Check for ash build up in appliance, |
(Cont’d) |
| including behind rear panels, firebox, heat |
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| 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 |
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| closed securely. |
| Vacuum switch not closing. No vacuum. | Check exhaust blower is plugged in and |
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| operating. |
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| Check vacuum switch is plugged in. |
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| Check vacuum hose is in good condition, |
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| clear and connected at both ends. |
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| Check thermocouple is in good condition |
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| and plugged in properly. |
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| Make sure venting system is clean. |
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| NOTE: High winds blowing into the vent- |
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| ing system can pressurize the firebox |
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| causing loss of vacuum. |
| Feed system jammed or blocked. | Empty hopper of fuel. Use a wet/dry |
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| vacuum cleaner to remove remaining fuel, |
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| from hopper, including feed tube. |
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| Check feed chute for obstructions. |
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| Loosen 2 screws and jiggle feed assembly. |
| Feed spring not turning with feed motor. | Check that set screw is tight on feed |
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| spring shaft at end of feed motor. |
| Feed motor defective or not plugged in. | Check connections on feed motor, replace |
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| if defective. |
No call light. Appliance | 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. |
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| NOTE: To test thermostat and wiring, use |
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| a jumper wire at the thermostat block on |
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| the appliance to |
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| wiring. |
| Control box defective. | Replace control box. |
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| |
Appliance fails to shut | Call light on. | Turn thermostat off. |
off. |
| If call light does not go out, disconnect |
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| thermostat wires from appliance. If call |
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| light does go out, thermostat or wires are |
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| defective. |
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February 3, 2010 | Page 31 |