53
To RESET boiler press
button for at least 2 seconds.
For other error codes not described in table please contact manufacturer at 1(800) 325-5479.
13 - TROUBLE SHOOTING
13.1 Error Messages and Resetting the Boiler - continued
Anomalies Only Displayed in the Fault History
E62
Anti-wind activation with increase of the minimum
fan speed
Check the position of the terminal of the flue duct.
E63/E65
Combustion level out of range
Check flue recirculation and combustion levels.
E65
Maximum value of the speed reached / correction of
the flame signal
Check flue recirculation on the flue duct.
E67
Anti-wind activation at maximum power
Check the position of the terminal of the flue duct.
E69
Combustion level out of range
Check flue recirculation and the combustion levels.
E70
Flame signal problem/micro interruption of the
flame signal
Check cable and integrity of the sensing electrode, verify the
continuity between burner and earth.
E73
Combustion adjustment / modified during operation
Review and monitor other codes such as E53 and E92
Error Description
Operation
169
Flue pressure switch (contact open)
Check pressure switch and cable.
Check obstruction on flue pipe
164/384
Fault flame (parasitic flame).
Check correct operation of T. gas valve.
165/385
Input voltage too low.
Check power supply
E178
Low return water temperature / anti-freeze
function active
Check the return water sensor, check the circulator, check
the correct circulation of the water. Boiler will exit status
when condition is resolved.
240012564 REV A, [05/15/2019]