66
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
E63/E65 Combustion level out of range
E65
Maximum value of the speed reached / correction of
E67 Anti-wind activation at maximum power
E69 Combustion level out of range
E70
Flame signal problem/micro interruption of the
Check cable and integrity of the sensing electrode, verify the
continuity between burner and earth.
E73 Review and monitor other codes such as E53 and E92
Error Description Operation
135 Internal error Verify all cables. Replace PCB.
160 Fan fault Check fan and cable
162/317 Incorrect power supply frequency. Incorrect power supply frequency.
169 Flue pressure switch (contact open)
Check pressure switch and cable.
164/384
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.
240013375 REV A, [07/01/2021]
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