If you troubleshoot problems before calling a heating professional, you can save yourself the cost of a service call. Always follow the System 2000 for specifics on troubleshooting your particular boiler, and for a diagram noting the location of various parts on your System 2000 boiler.
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Look for the pilot light and to see if it is lit. If not, refer to your user manual for information on how to re-light the pilot. If the pilot lights but goes out, the pilot assembly or the flame sensor could be dirty, or the thermocouple or boiler control could be defective.
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Inspect the main burners to see if they are lit. If the pilot is lit, but the main burners aren’t lit, the boiler control or gas valve could be broken.
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Put your hand on the motor; it should be warm to the touch; this indicates the circulator pump is running. If it is cool to the touch, check the circuit breaker in your electric panel to see it has tripped. If the motor is very hot, the run capacitor, motor or pump could have seized. If the motor is cool to the touch and the breaker has not tripped, the thermostat or circulator relay could be defective.
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Look at the temperature gauge on the boiler. If the temperature and pressure are normal there may be air in the system. If the temperature and pressure are low, a vent damper could be open or the inducer fan may be running.
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Shut off the breaker to the boiler, wait for a few minutes and turn the breaker back on; the damper should open. If not, the boiler control could be defective.
The Drip Cap
- The System 2000 boiler, unlike other boilers, activates only when you need heat or hot water.
- Look for the pilot light and to see if it is lit.
- If the pilot is lit, but the main burners aren’t lit, the boiler control or gas valve could be broken.
- If it is cool to the touch, check the circuit breaker in your electric panel to see it has tripped.
- If the temperature and pressure are normal there may be air in the system.