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Part 5 - Troubleshooting for the User
Review and perform the following initial diagnostic steps before
calling a qualified service technician.
Problem Possible Solution
Burner Does Not Ignite
Make sure the the boiler is turned ON
If the control panel display is blank, ensure the power cord is intact and plugged in. Check the circuit
breaker or fuse box. Contact the electric utility.
Make sure that the boiler is supplied with and full of water
Make sure the water inlet and outlet and gas supply line valves are open
Make sure the water lines are not frozen
Central Heating Is Too Hot or Not
Hot Enough
Adjust the temperature setting on the thermostat or zone control / indirect water heater
Adjust the temperature setting on the boiler
Water Is Too Hot or Not Hot
Enough
(Combi Models or Systems with
Indirect Water Heaters)
Adjust the temperature setting on the boiler / indirect water heater
Make sure the water inlet and outlet valves are open
Blower Continues to Operate After
Combustion Stops
This is normal. The blower operates after combustion has stopped to vent the remaining exhaust gas
from the flue.
White “smoke” can be seen coming
out of the exhaust vent
This is normal. Depending on the outdoor temperature, water vapor can be produced as the exhaust is
vented.
Table 5 - Troubleshooting Chart
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