38
BOILER STATUS
PROBLEM
POSSIBLE CAUSE
SOLUTION
The boiler does not work in DHW
mode. The symbol
is displayed
and code E12 flashes. Operation
is resumed automatically when
the cause of shutdown has been
removed.
Storage tank probe not working
Storage tank probe disconnected
Reconnect it
Storage tank probe faulty
Replace it
The boiler does not work in DHW
mode.
DHW flow switch does not cut in
System pressure or flow rate too low
Check DHW system
Check flow meter filter
Flow meter sensors disconnected
or faulty
Replace or reconnect it
Flow meter stuck
Replace it
The boiler does not work properly.
The symbol
is displayed and
code E17 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
Combustion fan not working
Fan disconnected.
Reconnect it
Fan faulty.
Replace it
The (optional) remote control is
switched off. The symbol
is
displayed and code E22 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
No communication with remote
control
Cable between boiler and remote
control disconnected
Reconnect it
Remote control faulty
Replace it
The symbol
is displayed and
code E23 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
External probe not working
External probe disconnected
Reconnect it
External probe faulty
Replace it
