SIGNAL (LED/
BUZZER)
Intermittent beep
Fixed beep
4 beeps / 4" pause
2 beeps once
DIAGNOSTICS
Meaning
No water in external tank
No water filling
No water filling request
Standby after 30 min
of inactivity with boiler
switch ON
Solution
Top up water in tank
Turn on and off,
release boiler pressure,
insert blue hoses in tank checking priming.
If persists, contact an authorised service
centre
Boiler cleaning.
If persists, contact an authorised service
centre
Supply steam
EN
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