18 Troubleshooting
If resetting the boiler and attempting the remedies suggested below do not resolve the problem, contact an authorized technician, a licensed
professional, or Technical Support at 1-800-519-8794 for service instructions.
Problem Possible Cause(s) What to do
Space heating side malfunction
Is the setting temperature too low?
Check the boiler’s temperature setting.
See “3.2 Adjusting the Temperature” on
page 8.
Is there power to the system, or is the system
in stand by?
Make sure the power is on, and plugged
into the outlet with the correct voltage.
Press the Power button and raise the setting
temperature. Make sure the boiler is turned
on.
Is the system running for domestic hot water
(DHW)?
When the unit is heating for DHW, the
heating side does not work.
5. Troubleshooting
5.1 Solving Basic Problems
If you experience a problem with the boiler, refer to the following
chart for possible remedies. Error codes that appear on the front
panel display are explained in the following section.
For minor problems, resetting the boiler may resolve the issue.
Press and hold the Reset button on the front panel to reset the
boiler.
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