Troubleshooting Chart 2 - UTICA BOILERS UCS-240 Installation, Operation & Maintenance Manual

13 - TROUBLE SHOOTING

Troubleshooting Chart 2

E16 - False Flame Signal
Turn Off All Heat Calls
Inspect Burner through sight
glass. Is flame present?
NO
YES
Initiate heat call. Check CO Replace Gas
2
at high fire is 9.1-9.5% Valve
Out of Range
In Range
Adjust Gas Mixture See
Section 9. Re-check.
E-16 still present?
Replace Flame
Sense
YES NO
Condition
Corrected
Replace Flame
Sense
79
P/N 240011654, Rev. C [06/08/2017]